| 12/10/20 |
Arizona Diamondbacks claimed RHP Zach Pop off waivers from Bowie Baysox. |
| 12/10/20 |
Arizona Diamondbacks traded RHP Zach Pop to Miami Marlins for Player To Be Named Later. |
| 12/10/20 |
LHP Tyler Gilbert assigned to Arizona Diamondbacks. |
| 12/07/20 |
Washington Nationals claimed RHP Rogelio Armenteros off waivers from Arizona Diamondbacks. |
| 11/25/20 |
Boston Red Sox claimed RHP Joel Payamps off waivers from Arizona Diamondbacks. |
| 11/23/20 |
Arizona Diamondbacks released RHP Junior Guerra. |
| 11/20/20 |
Chicago White Sox claimed RHP Emilio Vargas off waivers from Arizona Diamondbacks. |
| 11/20/20 |
Arizona Diamondbacks selected the contract of RHP Luis Frias from Kane County Cougars. |
| 11/20/20 |
Arizona Diamondbacks selected the contract of RHP J.B. Bukauskas from Jackson Generals. |
| 11/20/20 |
Arizona Diamondbacks designated RHP Joel Payamps for assignment. |
| 11/20/20 |
Arizona Diamondbacks claimed RHP Rogelio Armenteros off waivers from Houston Astros. |
| 11/20/20 |
Arizona Diamondbacks sent 2B Domingo Leyba outright to Reno Aces. |
| 11/20/20 |
Arizona Diamondbacks designated RHP Junior Guerra for assignment. |
| 11/20/20 |
Arizona Diamondbacks selected the contract of OF Stuart Fairchild from Jackson Generals. |
| 11/20/20 |
Arizona Diamondbacks selected the contract of RHP Matt Peacock from Jackson Generals. |
| 11/20/20 |
Arizona Diamondbacks selected the contract of SS Geraldo Perdomo from Jackson Generals. |
| 11/19/20 |
Arizona Diamondbacks signed free agent OF Drew Weeks to a minor league contract and invited him to spring training. |
| 11/19/20 |
Arizona Diamondbacks signed free agent OF Drew Weeks to a minor league contract and invited him to spring training. |
| 11/17/20 |
Arizona Diamondbacks signed free agent LHP Sam Moll to a minor league contract and invited him to spring training. |
| 11/17/20 |
Arizona Diamondbacks signed free agent LHP Sam Moll to a minor league contract and invited him to spring training. |
| 11/17/20 |
Arizona Diamondbacks signed free agent RHP Bradley Roney to a minor league contract and invited him to spring training. |
| 11/17/20 |
Arizona Diamondbacks signed free agent RHP Bradley Roney to a minor league contract and invited him to spring training. |
| 11/17/20 |
Arizona Diamondbacks signed free agent P Sam Moll. |
| 11/05/20 |
Chicago Cubs traded SS Ronny Simon to Arizona Diamondbacks. PTBNL in Andrew Chafin trade, 8/31/2020
|
| 11/04/20 |
Arizona Diamondbacks signed free agent C Jamie Ritchie. |
| 11/04/20 |
Arizona Diamondbacks signed free agent C Jamie Ritchie to a minor league contract and invited him to spring training. |
| 11/04/20 |
Arizona Diamondbacks signed free agent C Jamie Ritchie to a minor league contract and invited him to spring training. |
| 11/01/20 |
Arizona Diamondbacks activated RHP Jeremy Beasley from the 60-day injured list. |
| 11/01/20 |
Arizona Diamondbacks activated RHP Merrill Kelly from the 60-day injured list. |
| 11/01/20 |
Arizona Diamondbacks activated RHP Corbin Martin from the 60-day injured list. |
| 11/01/20 |
Arizona Diamondbacks activated P Merrill Kelly from the 60 day injured list. |
| 11/01/20 |
Arizona Diamondbacks activated P Merrill Kelly from the 60 day injured list. |
| 10/30/20 |
Arizona Diamondbacks released 1B Kevin Cron. |
| 10/28/20 |
RHP Hector Rondon elected free agency. |
| 10/28/20 |
Arizona Diamondbacks activated RHP Mike Leake from the restricted list. |
| 10/28/20 |
RHP Mike Leake elected free agency. |
| 10/28/20 |
OF Jon Jay elected free agency. |
| 10/27/20 |
Arizona Diamondbacks sent RHP Bo Takahashi outright to Reno Aces. |
| 10/27/20 |
Arizona Diamondbacks sent RHP Silvino Bracho outright to Reno Aces. |
| 10/23/20 |
Arizona Diamondbacks claimed LHP Taylor Guilbeau off waivers from Seattle Mariners. |
| 10/21/20 |
Arizona Diamondbacks released RHP Artie Lewicki. |
| 10/06/20 |
Arizona Diamondbacks signed free agent C Michael De La Cruz to a minor league contract. |
| 10/01/20 |
Arizona Diamondbacks sent LHP Joe Mantiply outright to Reno Aces. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Artie Lewicki from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks recalled P Kevin Ginkel. |
| 09/28/20 |
Arizona Diamondbacks activated 2B Josh Rojas from the 10 day injured list. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Emilio Vargas from Reno Aces. |
| 09/28/20 |
Arizona Diamondbacks activated 2B Josh Rojas from the 10-day injured list. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Joel Payamps from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Jon Duplantier from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks activated 2B Josh Rojas from the 10 day injured list. |
| 09/28/20 |
Arizona Diamondbacks recalled LHP Travis Bergen from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks activated 3B Josh Rojas from the 10-day injured list. |
| 09/28/20 |
Arizona Diamondbacks designated LHP Joe Mantiply for assignment. |
| 09/28/20 |
Arizona Diamondbacks activated 2B Josh Rojas from the 10-day injured list. |
| 09/28/20 |
Arizona Diamondbacks activated 2B Domingo Leyba from the restricted list. |
| 09/28/20 |
Arizona Diamondbacks activated 2B Josh Rojas from the 10-day injured list. |
| 09/28/20 |
Arizona Diamondbacks recalled 1B Kevin Cron from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Kevin Ginkel from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks recalled 2B Andy Young from Diamondbacks Alternate Training Site. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Bo Takahashi from Reno Aces. |
| 09/28/20 |
Arizona Diamondbacks recalled P Kevin Ginkel. |
| 09/28/20 |
Arizona Diamondbacks recalled RHP Humberto Mejia from Diamondbacks Alternate Training Site. |
| 09/26/20 |
Arizona Diamondbacks optioned LHP Travis Bergen to Diamondbacks Alternate Training Site. |
| 09/25/20 |
Arizona Diamondbacks transferred RHP Corbin Martin from the 10-day injured list to the 60-day injured list. Oblique strain. |
| 09/25/20 |
Arizona Diamondbacks activated RHP Silvino Bracho from the 60-day injured list. |
| 09/22/20 |
Arizona Diamondbacks activated 2B Ketel Marte from the 10-day injured list. |
| 09/22/20 |
Arizona Diamondbacks placed 3B Josh Rojas on the 10-day injured list. Lower back inflammation. |
| 09/20/20 |
Arizona Diamondbacks activated P Taylor Widener from the 10 day injured list. |
| 09/20/20 |
Arizona Diamondbacks optioned RHP Joel Payamps to Diamondbacks Alternate Training Site. |
| 09/20/20 |
Arizona Diamondbacks activated P Taylor Widener from the 10 day injured list. |
| 09/20/20 |
Arizona Diamondbacks activated RHP Taylor Widener from the 10-day injured list. |
| 09/19/20 |
Miami Marlins traded LHP Julio Frias to Arizona Diamondbacks. |
| 09/19/20 |
Arizona Diamondbacks released C John Hicks. |
| 09/12/20 |
Arizona Diamondbacks released 1B Jake Lamb. |
| 09/12/20 |
Arizona Diamondbacks signed free agent LHP Travis Radke to a minor league contract and invited him to spring training. |
| 09/11/20 |
Arizona Diamondbacks activated LHP Caleb Smith. |
| 09/11/20 |
Arizona Diamondbacks optioned RHP Kevin Ginkel to Diamondbacks Alternate Training Site. |
| 09/11/20 |
Arizona Diamondbacks activated P Caleb Smith. |
| 09/11/20 |
Arizona Diamondbacks activated P Caleb Smith. |
| 09/10/20 |
Arizona Diamondbacks selected the contract of 1B Pavin Smith. |
| 09/10/20 |
Arizona Diamondbacks designated 1B Jake Lamb for assignment. |
| 09/10/20 |
Arizona Diamondbacks selected the contract of 1B Pavin Smith from Diamondbacks Alternate Training Site. |
| 09/10/20 |
Arizona Diamondbacks selected the contract of 1B Pavin Smith. |
| 09/10/20 |
Arizona Diamondbacks selected the contract of 1B Pavin Smith. |
| 09/09/20 |
Arizona Diamondbacks placed 2B Ketel Marte on the 10-day injured list. Left wrist inflammation. |
| 09/09/20 |
Arizona Diamondbacks invited non-roster RHP Slade Cecconi to spring training. |
| 09/09/20 |
Arizona Diamondbacks optioned LHP Joe Mantiply to Diamondbacks Alternate Training Site. |
| 09/09/20 |
Arizona Diamondbacks recalled 2B Josh VanMeter from Diamondbacks Alternate Training Site. |
| 09/09/20 |
Arizona Diamondbacks recalled 2B Josh VanMeter. |
| 09/09/20 |
Arizona Diamondbacks recalled 2B Josh VanMeter. |
| 09/09/20 |
Arizona Diamondbacks recalled Joel Payamps from Diamondbacks Alternate Training Site. |
| 09/06/20 |
Arizona Diamondbacks optioned RHP Artie Lewicki to Diamondbacks Alternate Training Site. |
| 09/06/20 |
Arizona Diamondbacks recalled 3B Wyatt Mathisen. |
| 09/06/20 |
Arizona Diamondbacks recalled 3B Wyatt Mathisen. |
| 09/06/20 |
Arizona Diamondbacks recalled 3B Wyatt Mathisen. |
| 09/06/20 |
Arizona Diamondbacks recalled 3B Wyatt Mathisen from Diamondbacks Alternate Training Site. |
| 09/05/20 |
Arizona Diamondbacks activated P Madison Bumgarner from the 10 day injured list. |
| 09/05/20 |
Arizona Diamondbacks optioned 2B Andy Young to Diamondbacks Alternate Training Site. |
| 09/05/20 |
Arizona Diamondbacks activated P Madison Bumgarner from the 10 day injured list. |
| 09/05/20 |
Arizona Diamondbacks activated LHP Madison Bumgarner from the 10-day injured list. |
| 09/03/20 |
Arizona Diamondbacks optioned RHP Joel Payamps to Diamondbacks Alternate Training Site. |
| 09/03/20 |
Arizona Diamondbacks recalled Travis Bergen from Diamondbacks Alternate Training Site. |
| 09/01/20 |
Arizona Diamondbacks selected the contract of Joe Mantiply from Diamondbacks Alternate Training Site. |
| 09/01/20 |
Arizona Diamondbacks selected the contract of Artie Lewicki from Diamondbacks Alternate Training Site. |
| 09/01/20 |
Arizona Diamondbacks recalled 3B Josh Rojas from Diamondbacks Alternate Training Site. |
| 09/01/20 |
Arizona Diamondbacks selected the contract of RHP Keury Mella from Diamondbacks Alternate Training Site. |
| 08/31/20 |
Arizona Diamondbacks transferred RHP Jeremy Beasley from the 10-day injured list to the 60-day injured list. Right shoulder strain. |
| 08/31/20 |
Arizona Diamondbacks traded CF Starling Marte to Miami Marlins for Player To Be Named Later, LHP Caleb Smith and RHP Humberto Mejia. |
| 08/31/20 |
Arizona Diamondbacks traded LHP Robbie Ray and cash to Toronto Blue Jays for LHP Travis Bergen. |
| 08/31/20 |
Arizona Diamondbacks traded LHP Robbie Ray and cash to Toronto Blue Jays for LHP Travis Bergen. |
| 08/31/20 |
Arizona Diamondbacks traded RHP Archie Bradley and cash to Cincinnati Reds for LF Josh VanMeter and OF Stuart Fairchild. |
| 08/31/20 |
Arizona Diamondbacks traded CF Starling Marte to Miami Marlins for Player To Be Named Later, LHP Caleb Smith and RHP Humberto Mejia. |
| 08/31/20 |
Arizona Diamondbacks traded RHP Archie Bradley and cash to Cincinnati Reds for LF Josh VanMeter and OF Stuart Fairchild. |
| 08/31/20 |
Arizona Diamondbacks traded RHP Archie Bradley and cash to Cincinnati Reds for LF Josh VanMeter and OF Stuart Fairchild. |
| 08/31/20 |
Arizona Diamondbacks transferred RHP Merrill Kelly from the 10-day injured list to the 60-day injured list. Right shoulder nerve impingement. |
| 08/31/20 |
Arizona Diamondbacks traded LHP Andrew Chafin and cash to Chicago Cubs for Player To Be Named Later. |
| 08/31/20 |
Arizona Diamondbacks placed RHP Taylor Widener on the 10-day injured list. |
| 08/31/20 |
Arizona Diamondbacks traded CF Starling Marte to Miami Marlins for Player To Be Named Later, LHP Caleb Smith and RHP Humberto Mejia. |
| 08/30/20 |
Arizona Diamondbacks invited non-roster LHP Matt Grace to spring training. |
| 08/30/20 |
Arizona Diamondbacks sent LHP Matt Grace outright to Diamondbacks Alternate Training Site. |
| 08/27/20 |
Arizona Diamondbacks optioned 1B Kevin Cron to Diamondbacks Alternate Training Site. |
| 08/27/20 |
Arizona Diamondbacks recalled Joel Payamps from Diamondbacks Alternate Training Site. |
| 08/27/20 |
Arizona Diamondbacks recalled Andy Young from Diamondbacks Alternate Training Site. |
| 08/27/20 |
Arizona Diamondbacks designated LHP Matt Grace for assignment. |
| 08/24/20 |
Arizona Diamondbacks placed RHP Merrill Kelly on the 10-day injured list. Right shoulder nerve impingement. |
| 08/24/20 |
Arizona Diamondbacks recalled RHP Riley Smith from Diamondbacks Alternate Training Site. |
| 08/20/20 |
Arizona Diamondbacks invited non-roster CF Kristian Robinson to spring training. |
| 08/19/20 |
Arizona Diamondbacks placed LHP Andrew Chafin on the 10-day injured list. Left finger sprain. |
| 08/19/20 |
Arizona Diamondbacks released RHP James Sherfy. |
| 08/19/20 |
Arizona Diamondbacks selected the contract of LHP Matt Grace from Diamondbacks Alternate Training Site. |
| 08/17/20 |
Arizona Diamondbacks optioned 2B Andy Young to Diamondbacks Alternate Training Site. |
| 08/17/20 |
Arizona Diamondbacks recalled RHP Yoan Lopez from Diamondbacks Alternate Training Site. |
| 08/17/20 |
Arizona Diamondbacks recalled Kevin Cron from Diamondbacks Alternate Training Site. |
| 08/17/20 |
Arizona Diamondbacks recalled P Yoan Lopez. |
| 08/17/20 |
Arizona Diamondbacks optioned RHP Joel Payamps to Diamondbacks Alternate Training Site. |
| 08/17/20 |
Arizona Diamondbacks recalled P Yoan Lopez. |
| 08/16/20 |
Arizona Diamondbacks placed RHP Jeremy Beasley on the 10-day injured list. Right shoulder strain. |
| 08/16/20 |
Arizona Diamondbacks recalled Joel Payamps from Diamondbacks Alternate Training Site. |
| 08/11/20 |
Arizona Diamondbacks traded 2B Ildemaro Vargas to Minnesota Twins for cash. |
| 08/10/20 |
Arizona Diamondbacks selected the contract of RHP Jeremy Beasley from Diamondbacks Alternate Training Site. |
| 08/10/20 |
Arizona Diamondbacks placed LHP Madison Bumgarner on the 10-day injured list. Mid-back strain. |
| 08/06/20 |
Arizona Diamondbacks optioned RHP Yoan Lopez to Diamondbacks Alternate Training Site. |
| 08/06/20 |
Arizona Diamondbacks designated 2B Ildemaro Vargas for assignment. |
| 08/01/20 |
Arizona Diamondbacks optioned 3B Josh Rojas to Diamondbacks Alternate Training Site. |
| 08/01/20 |
Arizona Diamondbacks recalled Andy Young from Diamondbacks Alternate Training Site. |
| 07/30/20 |
Arizona Diamondbacks selected the contract of C Daulton Varsho from Diamondbacks Alternate Training Site. |
| 07/30/20 |
Arizona Diamondbacks optioned 1B Kevin Cron to Diamondbacks Alternate Training Site. |
| 07/27/20 |
Arizona Diamondbacks signed free agent C Alberto Rosario to a minor league contract and invited him to spring training. |
| 07/24/20 |
Taylor Widener changed number to 57. |
| 07/24/20 |
Daulton Varsho changed number to 12. |
| 07/24/20 |
Wyatt Mathisen changed number to 27. |
| 07/24/20 |
Joe Mantiply changed number to 36. |
| 07/24/20 |
Riley Smith changed number to 46. |
| 07/24/20 |
Andy Young changed number to 14. |
| 07/23/20 |
Arizona Diamondbacks recalled RHP Taylor Widener from Diamondbacks Alternate Training Site. |
| 07/23/20 |
Arizona Diamondbacks recalled RHP Taylor Clarke from Diamondbacks Alternate Training Site. |
| 07/23/20 |
Arizona Diamondbacks recalled P Taylor Clarke. |
| 07/23/20 |
Arizona Diamondbacks recalled P Taylor Clarke. |
| 07/23/20 |
Arizona Diamondbacks recalled Kevin Cron from Diamondbacks Alternate Training Site. |
| 07/22/20 |
Arizona Diamondbacks placed RHP Corbin Martin on the 10-day injured list retroactive to July 20, 2020. |
| 07/18/20 |
Arizona Diamondbacks selected the contract of OF Jon Jay from Reno Aces. |
| 07/14/20 |
Arizona Diamondbacks signed free agent RF Danny Oriente to a minor league contract. |
| 07/14/20 |
Arizona Diamondbacks signed free agent 1B Lucas Martino. |
| 07/09/20 |
Arizona Diamondbacks signed RHP Slade Cecconi. |
| 07/02/20 |
Arizona Diamondbacks signed free agent OF Dominic Gonnella to a minor league contract. |
| 07/01/20 |
Arizona Diamondbacks signed OF A.J. Vukovich. |
| 06/30/20 |
Arizona Diamondbacks signed LHP Liam Norris. |
| 06/29/20 |
Arizona Diamondbacks invited non-roster RHP Artie Lewicki to spring training. |
| 06/29/20 |
Arizona Diamondbacks signed RHP Bryce Jarvis. |
| 06/29/20 |
Arizona Diamondbacks placed RHP Mike Leake on the restricted list. |
| 06/29/20 |
Arizona Diamondbacks signed RHP Brandon Pfaadt. |
| 06/29/20 |
Arizona Diamondbacks invited non-roster 1B Seth Beer to spring training. |
| 06/28/20 |
Arizona Diamondbacks invited non-roster LHP Tommy Henry to spring training. |
| 06/28/20 |
Arizona Diamondbacks invited non-roster CF Alek Thomas to spring training. |
| 06/28/20 |
Arizona Diamondbacks invited non-roster LHP Blake Walston to spring training. |
| 06/28/20 |
Arizona Diamondbacks placed RHP Silvino Bracho on the 60-day injured list. Right ulnar collateral ligament tear. |
| 06/28/20 |
Arizona Diamondbacks invited non-roster RHP Luis Frias to spring training. |
| 06/28/20 |
Arizona Diamondbacks invited non-roster RHP Levi Kelly to spring training. |
| 03/26/20 |
Arizona Diamondbacks optioned RHP Taylor Clarke to Reno Aces. |
| 03/26/20 |
Arizona Diamondbacks optioned 1B Kevin Cron to Reno Aces. |
| 03/20/20 |
Arizona Diamondbacks optioned RHP Jon Duplantier to Reno Aces. |
| 03/11/20 |
Arizona Diamondbacks signed free agent LHP Dillon Overton to a minor league contract. |
| 03/10/20 |
C Jose Herrera assigned to Arizona Diamondbacks. |
| 03/09/20 |
Arizona Diamondbacks optioned 2B Andy Young to Reno Aces. |
| 03/09/20 |
Arizona Diamondbacks optioned 3B Wyatt Mathisen to Reno Aces. |
| 03/08/20 |
Arizona Diamondbacks optioned RHP Riley Smith to Reno Aces. |
| 03/08/20 |
Arizona Diamondbacks optioned RHP Taylor Widener to Reno Aces. |
| 03/07/20 |
OF Ryan Grotjohn assigned to Arizona Diamondbacks. |
| 03/07/20 |
Arizona Diamondbacks invited non-roster OF Corbin Carroll to spring training. |
| 03/07/20 |
2B Gavin Cecchini assigned to Arizona Diamondbacks. |
| 03/07/20 |
Arizona Diamondbacks placed 2B Domingo Leyba on the restricted list. |
| 03/07/20 |
OF Alek Thomas assigned to Arizona Diamondbacks. |
| 03/07/20 |
3B Buddy Kennedy assigned to Arizona Diamondbacks. |
| 03/07/20 |
OF Eduardo Diaz assigned to Arizona Diamondbacks. |
| 03/07/20 |
1B Tristin English assigned to Arizona Diamondbacks. |
| 03/07/20 |
OF Kristian Robinson assigned to Arizona Diamondbacks. |
| 03/07/20 |
SS Ricky Martinez assigned to Arizona Diamondbacks. |
| 03/07/20 |
Arizona Diamondbacks invited non-roster OF Dominic Fletcher to spring training. |
| 03/07/20 |
OF Jake McCarthy assigned to Arizona Diamondbacks. |
| 03/06/20 |
Arizona Diamondbacks optioned RHP Joel Payamps to Reno Aces. |
| 03/06/20 |
Arizona Diamondbacks optioned RHP Bo Takahashi to Reno Aces. |
| 03/06/20 |
Arizona Diamondbacks optioned RHP Emilio Vargas to Reno Aces. |
| 03/05/20 |
OF Tra Holmes assigned to Arizona Diamondbacks. |
| 03/04/20 |
LHP Bryan Valdez assigned to Arizona Diamondbacks. |
| 03/03/20 |
RHP Justin Donatella assigned to Arizona Diamondbacks. |
| 03/02/20 |
RHP Jeff Bain assigned to Arizona Diamondbacks. |
| 02/29/20 |
Arizona Diamondbacks signed free agent 2B Jean Walters to a minor league contract. |
| 02/27/20 |
C Alberto Rosario assigned to Arizona Diamondbacks. |
| 02/26/20 |
Arizona Diamondbacks signed free agent RHP Kent Hasler to a minor league contract. |
| 02/26/20 |
RHP Cole Stapler assigned to Arizona Diamondbacks. |
| 02/25/20 |
C Renae Martinez assigned to Arizona Diamondbacks. |
| 02/25/20 |
RHP Ryan Atkinson assigned to Arizona Diamondbacks. |
| 02/25/20 |
RHP Connor Grey assigned to Arizona Diamondbacks. |
| 02/24/20 |
RHP Matt Brill assigned to Arizona Diamondbacks. |
| 02/24/20 |
C Michael De La Cruz assigned to Arizona Diamondbacks. |
| 02/24/20 |
SS Galli Cribbs Jr. assigned to Arizona Diamondbacks. |
| 02/24/20 |
RHP Kevin McCanna assigned to Arizona Diamondbacks. |
| 02/24/20 |
RHP Cameron Gann assigned to Arizona Diamondbacks. |
| 02/24/20 |
RHP Michael Tonkin assigned to Arizona Diamondbacks. |
| 02/24/20 |
LHP Junior Garcia assigned to Arizona Diamondbacks. |
| 02/23/20 |
RHP Jayson McKinley assigned to Arizona Diamondbacks. |
| 02/23/20 |
LHP Kyle Crockett assigned to Arizona Diamondbacks. |
| 02/23/20 |
LHP David Huff assigned to Arizona Diamondbacks. |
| 02/23/20 |
RHP Trevor Clifton assigned to Arizona Diamondbacks. |
| 02/22/20 |
Arizona Diamondbacks invited non-roster RHP Josh Green to spring training. |
| 02/12/20 |
Arizona Diamondbacks signed free agent RHP Aaron Blair to a minor league contract. |
| 02/07/20 |
Arizona Diamondbacks signed free agent RHP Mark Leiter Jr. to a minor league contract. |
| 02/06/20 |
Arizona Diamondbacks signed free agent C Michael Hernandez to a minor league contract. |
| 02/04/20 |
Josh Rojas changed number to 10. |
| 02/03/20 |
Arizona Diamondbacks signed free agent RHP Edwin Jackson to a minor league contract and invited him to spring training. |
| 02/03/20 |
Arizona Diamondbacks signed free agent RF Trayce Thompson to a minor league contract and invited him to spring training. |
| 02/03/20 |
Arizona Diamondbacks signed free agent C John Hicks to a minor league contract and invited him to spring training. |
| 02/03/20 |
Arizona Diamondbacks signed free agent CF Jon Jay to a minor league contract and invited him to spring training. |
| 02/01/20 |
Arizona Diamondbacks signed free agent LHP Colton Turner to a minor league contract. |
| 01/31/20 |
Arizona Diamondbacks signed free agent 3B Mike Ahmed to a minor league contract. |
| 01/30/20 |
Baltimore Orioles claimed Pat Valaika off waivers from Arizona Diamondbacks. |
| 01/30/20 |
Arizona Diamondbacks signed free agent OF Dalton Pompey to a minor league contract. |
| 01/28/20 |
Domingo Leyba changed number to 1. |
| 01/27/20 |
Arizona Diamondbacks designated 3B Pat Valaika for assignment. |
| 01/27/20 |
Arizona Diamondbacks traded RHP Brennan Malone and SS Liover Peguero to Pittsburgh Pirates for cash and CF Starling Marte. |
| 01/27/20 |
Arizona Diamondbacks traded RHP Brennan Malone and SS Liover Peguero to Pittsburgh Pirates for cash and CF Starling Marte. |
| 01/27/20 |
Arizona Diamondbacks traded RHP Brennan Malone and SS Liover Peguero to Pittsburgh Pirates for cash and CF Starling Marte. |
| 01/25/20 |
Arizona Diamondbacks signed free agent 2B Gavin Cecchini to a minor league contract. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster RHP J.B. Bukauskas to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster RHP Mauricio Cabrera to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster LHP Miguel Aguilar to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster C Dominic Miroglio to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster C Daulton Varsho to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster 2B Juniel Querecuto to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster SS Geraldo Perdomo to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster RHP Jeremy Beasley to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster 1B Seth Beer to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster 3B Drew Ellis to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster LF Yasmany Tomas to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster CF Ben DeLuzio to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster RHP Damien Magnifico to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster 1B Pavin Smith to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster RHP Matt Peacock to spring training. |
| 01/23/20 |
Arizona Diamondbacks invited non-roster RHP James Sherfy to spring training. |
| 01/20/20 |
Arizona Diamondbacks signed free agent RHP Jordan Milbrath to a minor league contract. |
| 01/18/20 |
Arizona Diamondbacks signed free agent RHP Erasmo Pinales to a minor league contract. |
| 01/17/20 |
Arizona Diamondbacks signed free agent RHP Jediah Kwidama to a minor league contract. |
| 01/16/20 |
Arizona Diamondbacks claimed 3B Pat Valaika off waivers from Baltimore Orioles. |
| 01/16/20 |
Arizona Diamondbacks sent RHP James Sherfy outright to Reno Aces. |
| 01/14/20 |
Arizona Diamondbacks traded RHP Matt Andriese to Los Angeles Angels for RHP Jeremy Beasley. |
| 01/14/20 |
Arizona Diamondbacks traded RHP Matt Andriese to Los Angeles Angels for RHP Jeremy Beasley. |
| 01/13/20 |
Arizona Diamondbacks signed free agent RHP Junior Cerda to a minor league contract. |
| 01/13/20 |
Arizona Diamondbacks signed free agent LHP Darlin Almonte to a minor league contract. |
| 01/13/20 |
Arizona Diamondbacks signed free agent RHP Erison Rincon to a minor league contract. |
| 01/10/20 |
Arizona Diamondbacks signed free agent C Alberto Rosario to a minor league contract. |
| 01/09/20 |
Arizona Diamondbacks signed free agent RHP Hector Rondon. |
| 01/09/20 |
Arizona Diamondbacks signed free agent LF Travis Snider to a minor league contract and invited him to spring training. |
| 01/09/20 |
Arizona Diamondbacks designated RHP Jimmie Sherfy for assignment. |
| 01/09/20 |
Arizona Diamondbacks signed free agent RHP Ariel Serrano to a minor league contract. |
| 01/06/20 |
Arizona Diamondbacks signed free agent LHP David Huff to a minor league contract. |
| 01/03/20 |
Arizona Diamondbacks signed free agent RHP Trevor Clifton to a minor league contract. |
| 01/03/20 |
Arizona Diamondbacks signed free agent LHP Joe Mantiply to a minor league contract and invited him to spring training. |
| 01/03/20 |
Zac Gallen changed number to 23. |
| 01/03/20 |
Jon Duplantier changed number to . |
| 01/02/20 |
Arizona Diamondbacks signed free agent 1B Elian Miranda to a minor league contract. |
