D-backs Roster & Staff
Transactions
| Date | Transaction |
| 06/28/19 | Arizona Diamondbacks signed RHP Jared Liebelt. |
| 06/28/19 | Arizona Diamondbacks activated C Alex Avila from the 10-day injured list. |
| 06/28/19 | Arizona Diamondbacks optioned C Caleb Joseph to Reno Aces. |
| 06/27/19 | Arizona Diamondbacks selected the contract of P Alex Young. |
| 06/27/19 | Arizona Diamondbacks selected the contract of P Alex Young. |
| 06/27/19 | Arizona Diamondbacks selected the contract of LHP Alex Young from Reno Aces. |
| 06/27/19 | Arizona Diamondbacks transferred RF Steven Souza Jr. from the 10-day injured list to the 60-day injured list. Left knee injury. |
| 06/27/19 | Arizona Diamondbacks optioned RHP Stefan Crichton to Reno Aces. |
| 06/26/19 | Arizona Diamondbacks optioned 2B Domingo Leyba to Reno Aces. |
| 06/26/19 | Arizona Diamondbacks activated 1B Jake Lamb from the 10-day injured list. |
| 06/25/19 | Arizona Diamondbacks signed CF Dominic Fletcher. |
| 06/22/19 | Arizona Diamondbacks signed 1B Tristin English. |
| 06/22/19 | Arizona Diamondbacks optioned RHP Ben Lively to Reno Aces. |
| 06/22/19 | Arizona Diamondbacks signed free agent LHP Marc Rzepczynski to a minor league contract. |
| 06/22/19 | Arizona Diamondbacks signed RF Dominic Canzone. |
| 06/22/19 | Arizona Diamondbacks signed C Lyle Lin. |
| 06/22/19 | Arizona Diamondbacks optioned 1B Kevin Cron to Reno Aces. |
| 06/22/19 | Arizona Diamondbacks signed 2B Cam Coursey. |
| 06/22/19 | Arizona Diamondbacks signed LHP Avery Short. |
| 06/22/19 | Kansas City Royals traded RHP Ben Lively to Arizona Diamondbacks for cash. |
| 06/22/19 | Arizona Diamondbacks recalled Domingo Leyba from Reno Aces. |
| 06/21/19 | Arizona Diamondbacks signed free agent 2B Carlos Asuaje to a minor league contract. |
| 06/19/19 | Arizona Diamondbacks signed RHP Austin Pope. |
| 06/19/19 | Arizona Diamondbacks signed LHP Andrew Saalfrank. |
| 06/19/19 | Arizona Diamondbacks signed RHP Conor Grammes. |
| 06/19/19 | Arizona Diamondbacks signed LHP Blake Walston. |
| 06/19/19 | Arizona Diamondbacks signed LHP Nick Snyder. |
| 06/19/19 | Arizona Diamondbacks signed SS Glenallen Hill Jr.. |
| 06/19/19 | Arizona Diamondbacks signed RHP Ryne Nelson. |
| 06/19/19 | Arizona Diamondbacks signed RHP Drey Jameson. |
| 06/19/19 | Arizona Diamondbacks signed RHP Brennan Malone. |
| 06/19/19 | Arizona Diamondbacks signed RHP Bobby Ay. |
| 06/19/19 | Arizona Diamondbacks signed C Oscar Santos. |
| 06/19/19 | Arizona Diamondbacks signed CF Corbin Carroll. |
| 06/16/19 | Arizona Diamondbacks signed RHP Jonathan Stroman. |
| 06/16/19 | Arizona Diamondbacks signed free agent SS Angelo Altavilla to a minor league contract. |
| 06/14/19 | Arizona Diamondbacks signed free agent RHP Enmanuel Acosta to a minor league contract. |
| 06/14/19 | Arizona Diamondbacks placed C Alex Avila on the 10-day injured list. Strained left calf. |
| 06/14/19 | Arizona Diamondbacks signed 1B Spencer Brickhouse. |
| 06/14/19 | Arizona Diamondbacks recalled Caleb Joseph from Reno Aces. |
| 06/14/19 | Arizona Diamondbacks signed free agent RHP Joiner Vicent to a minor league contract. |
| 06/12/19 | Arizona Diamondbacks placed RHP Jon Duplantier on the 10-day injured list. Right shoulder inflammation. |
| 06/12/19 | Arizona Diamondbacks recalled Stefan Crichton from Reno Aces. |
| 06/11/19 | Arizona Diamondbacks signed free agent 3B Raykel Guillerme to a minor league contract. |
| 06/10/19 | Arizona Diamondbacks signed 3B Carson Maxwell. |
| 06/10/19 | Arizona Diamondbacks signed free agent RHP Patrick McGuff to a minor league contract. |
| 06/10/19 | Arizona Diamondbacks signed LHP Denson Hull. |
| 06/10/19 | Arizona Diamondbacks signed RHP Dustin Lacaze. |
| 06/10/19 | Arizona Diamondbacks signed RHP Nick Marchese. |
| 06/10/19 | Arizona Diamondbacks signed RHP Josh McMinn. |
| 06/10/19 | Arizona Diamondbacks signed RHP Tyler Poulin. |
| 06/10/19 | Arizona Diamondbacks signed RHP Chris Williams. |
| 06/10/19 | Arizona Diamondbacks signed OF Tristen Carranza. |
| 06/09/19 | Arizona Diamondbacks signed SS Nick Grande. |
| 06/09/19 | Arizona Diamondbacks signed SS Ricky Martinez. |
| 06/08/19 | Arizona Diamondbacks sent 1B Jake Lamb on a rehab assignment to Reno Aces. |
| 06/07/19 | Arizona Diamondbacks signed free agent 2B Kevin Lachance to a minor league contract. |
| 06/06/19 | Arizona Diamondbacks signed free agent RHP Anyerbert Ache to a minor league contract. |
| 06/06/19 | Arizona Diamondbacks signed free agent C Lucas Herbert to a minor league contract. |
| 06/04/19 | Arizona Diamondbacks traded C Tyler Heineman to Miami Marlins. |
| 06/03/19 | Arizona Diamondbacks activated LF David Peralta from the 10-day injured list. |
| 06/03/19 | Arizona Diamondbacks optioned RHP Stefan Crichton to Reno Aces. |
| 06/01/19 | Arizona Diamondbacks recalled Kevin Cron from Reno Aces. |
| 06/01/19 | Arizona Diamondbacks placed LF Blake Swihart on the 10-day injured list. Right oblique strain. |
| 06/01/19 | Arizona Diamondbacks sent C John Ryan Murphy outright to Reno Aces. |