| 7/1/18 |
Arizona Diamondbacks optioned RHP Jimmie Sherfy to Reno Aces. |
| 7/1/18 |
Arizona Diamondbacks recalled Silvino Bracho from Reno Aces. |
| 7/2/18 |
Arizona Diamondbacks activated CF A.J. Pollock from the 10-day disabled list. |
| 7/2/18 |
Arizona Diamondbacks optioned RHP Silvino Bracho to Reno Aces. |
| 7/2/18 |
Arizona Diamondbacks optioned 1B Christian Walker to Reno Aces. |
| 7/2/18 |
Arizona Diamondbacks released RHP Troy Scribner. |
| 7/2/18 |
Arizona Diamondbacks signed free agent SS Daniel Torres to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent CF Alvin Guzman to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent CF Asdrubal Martinez to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent CF Jeferson Espinal to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent RHP Mauricio Bascunan to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent RHP Jose Bohorquez to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent SS Edward Romero to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent SS Learsi Delgado to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent C Ricardo Caldera to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent SS Luis Rubio to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent LHP Ronald Roman to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent SS Teofilo Mendez to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent OF Cristian Estrella to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent SS Dairon Cuevas to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent C Angel Colina to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent RHP Carlos Telleria to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent RHP Aderlyn Silverio to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks signed free agent OF Mario Mendez to a minor league contract. |
| 7/2/18 |
Arizona Diamondbacks selected the contract of RHP Joey Krehbiel from Reno Aces. |
| 7/5/18 |
Arizona Diamondbacks activated RF Steven Souza Jr. from the 10-day disabled list. |
| 7/5/18 |
Arizona Diamondbacks placed RF Jarrod Dyson on the 10-day disabled list. Right groin strain. |
| 7/5/18 |
Arizona Diamondbacks optioned RHP Joey Krehbiel to Reno Aces. |
| 7/5/18 |
Arizona Diamondbacks recalled Silvino Bracho from Reno Aces. |
| 7/6/18 |
Arizona Diamondbacks activated RHP Randall Delgado from the 60-day disabled list. |
| 7/6/18 |
Arizona Diamondbacks designated RHP Fernando Salas for assignment. |
| 7/7/18 |
Arizona Diamondbacks activated C Alex Avila from the 10-day disabled list. |
| 7/7/18 |
Arizona Diamondbacks optioned RHP Silvino Bracho to Reno Aces. |
| 7/9/18 |
Arizona Diamondbacks released RHP Fernando Salas. |
| 7/12/18 |
Arizona Diamondbacks placed LHP T.J. McFarland on the 10-day disabled list. Left neck strain. |
| 7/12/18 |
Arizona Diamondbacks placed RHP Shelby Miller on the 10-day disabled list. Right elbow inflammation. |
| 7/12/18 |
Arizona Diamondbacks recalled RHP Silvino Bracho from Reno Aces. |
| 7/12/18 |
Arizona Diamondbacks recalled RHP Matt Koch from Reno Aces. |
| 7/16/18 |
Arizona Diamondbacks signed free agent RHP Barry Enright to a minor league contract. |
| 7/19/18 |
Arizona Diamondbacks sent RHP Clay Buchholz on a rehab assignment to Visalia Rawhide. |
