Midland RockHounds Roster & Staff
ATH Transactions
| Date | Transaction |
| 04/18/26 | RHP Jorge Marcheco assigned to Lansing Lugnuts from Midland RockHounds. |
| 04/18/26 | Las Vegas Aviators activated RHP Geoff Hartlieb. |
| 04/18/26 | Athletics optioned RHP Elvis Alvarado to Las Vegas Aviators. |
| 04/18/26 | Athletics recalled RHP Mason Barnett from Las Vegas Aviators. |
| 04/18/26 | Midland RockHounds placed RHP JJ Goss on the 7-day injured list. |
| 04/18/26 | RHP Jorge Marcheco assigned to Lansing Lugnuts from Midland RockHounds. |
| 04/15/26 | OF Gavin Turley assigned to Lansing Lugnuts from Stockton Ports. |
| 04/15/26 | OF Gavin Turley assigned to Lansing Lugnuts from Stockton Ports. |
| 04/14/26 | Lansing Lugnuts placed CF Pedro Pineda on the restricted list. |
| 04/14/26 | Lansing Lugnuts placed OF Nate Nankil on the 7-day injured list. |
| 04/14/26 | Las Vegas Aviators transferred RHP Geoff Hartlieb to the Development List. |
| 04/14/26 | Las Vegas Aviators activated 3B Brett Harris from the 7-day injured list. |
| 04/12/26 | Lansing Lugnuts placed CF Pedro Pineda on the temporarily inactive list. |
| 04/11/26 | Midland RockHounds activated 3B Luke Mann. |
| 04/11/26 | Midland RockHounds placed CF Brayan Buelvas on the 7-day injured list. |
| 04/10/26 | RHP Chen Zhong-Ao Zhuang assigned to Midland RockHounds from Las Vegas Aviators. |
| 04/10/26 | Athletics recalled 2B Zack Gelof from Las Vegas Aviators. |
| 04/10/26 | RHP Chen Zhong-Ao Zhuang assigned to Midland RockHounds from Las Vegas Aviators. |
| 04/09/26 | 2B Zack Gelof roster status changed by Las Vegas Aviators. |
| 04/09/26 | Las Vegas Aviators activated RHP Geoff Hartlieb. |
| 04/09/26 | RHP Michael Kelly roster status changed by Las Vegas Aviators. |
| 04/09/26 | Athletics recalled RHP Jack Perkins from Las Vegas Aviators. |
| 04/09/26 | Athletics optioned RHP Michael Kelly to Las Vegas Aviators. |
| 04/08/26 | RHP Jack Perkins roster status changed by Las Vegas Aviators. |
| 04/08/26 | Las Vegas Aviators activated LHP Matt Krook from the temporarily inactive list. |
| 04/07/26 | Las Vegas Aviators activated C Chad Wallach. |
| 04/07/26 | Athletics selected the contract of RHP Joel Kuhnel from Las Vegas Aviators. |
| 04/06/26 | Las Vegas Aviators activated RHP Luis Morales. |
| 04/06/26 | Athletics optioned RHP Luis Morales to Las Vegas Aviators. |
| 04/02/26 | LHP Jamie Arnold assigned to Midland RockHounds from ACL Athletics. |
| 04/02/26 | Midland RockHounds transferred 3B Luke Mann to the Development List. |
| 04/02/26 | Midland RockHounds placed LHP Will Johnston on the 7-day injured list. |
| 04/02/26 | Midland RockHounds placed RHP Henry Baez on the 7-day injured list. |
| 04/02/26 | Midland RockHounds placed RHP Mark Adamiak on the 7-day injured list. |
| 04/02/26 | Midland RockHounds transferred 3B Luke Mann to the Development List. |
| 04/02/26 | Midland RockHounds transferred 2B Ben Newton to the Development List. |
| 04/02/26 | Midland RockHounds placed RHP Mitch Myers on the 7-day injured list. |
| 04/02/26 | LHP Jamie Arnold assigned to Midland RockHounds from ACL Athletics. |
| 04/02/26 | Stockton Ports placed OF Gavin Turley on the 7-day injured list. |
| 04/02/26 | Stockton Ports placed RHP Jefferson Jean on the 7-day injured list. |
| 04/01/26 | Las Vegas Aviators placed LHP Matt Krook on the temporarily inactive list. |
| 04/01/26 | Las Vegas Aviators activated RHP Nick Hernandez. |