Orioles Roster & Staff
Transactions
| Date | Transaction |
| 09/30/23 | Baltimore Orioles designated RHP Jorge López for assignment. |
| 09/30/23 | Baltimore Orioles recalled LHP Bruce Zimmermann from Norfolk Tides. |
| 09/27/23 | Baltimore Orioles activated 1B Ryan Mountcastle from the 10-day injured list. |
| 09/27/23 | Baltimore Orioles optioned CF Ryan McKenna to Norfolk Tides. |
| 09/22/23 | Baltimore Orioles recalled RHP Tyler Wells from Norfolk Tides. |
| 09/22/23 | Baltimore Orioles optioned RHP Mike Baumann to Norfolk Tides. |
| 09/20/23 | Baltimore Orioles placed 1B Ryan Mountcastle on the 10-day injured list retroactive to September 17, 2023. Left AC joint inflammation. |
| 09/20/23 | Baltimore Orioles recalled CF Ryan McKenna from Norfolk Tides. |
| 09/16/23 | Baltimore Orioles recalled RHP Mike Baumann from Norfolk Tides. |
| 09/16/23 | Baltimore Orioles optioned RHP Bryan Baker to Norfolk Tides. |
| 09/15/23 | Baltimore Orioles signed free agent RHP Albert Suárez to a minor league contract. |
| 09/15/23 | CF Adam Jones retired. |
| 09/14/23 | Baltimore Orioles placed SS Terrin Vavra on the 60-day injured list. Right shoulder strain. |
| 09/14/23 | Baltimore Orioles selected the contract of OF Heston Kjerstad from Norfolk Tides. |
| 09/14/23 | Baltimore Orioles recalled SS Terrin Vavra from Norfolk Tides. |
| 09/14/23 | Baltimore Orioles optioned LHP Nick Vespi to Norfolk Tides. |
| 09/14/23 | Baltimore Orioles recalled RHP Bryan Baker from Norfolk Tides. |
| 09/14/23 | Baltimore Orioles optioned CF Ryan McKenna to Norfolk Tides. |
| 09/13/23 | Baltimore Orioles optioned LHP Cole Irvin to Norfolk Tides. |
| 09/13/23 | Baltimore Orioles recalled LHP Nick Vespi from Norfolk Tides. |
| 09/12/23 | Baltimore Orioles activated LHP John Means from the 60-day injured list. |
| 09/12/23 | Baltimore Orioles optioned RHP Joey Krehbiel to Norfolk Tides. |
| 09/05/23 | Baltimore Orioles sent RHP Austin Voth outright to Norfolk Tides. |
| 09/04/23 | Boston Red Sox claimed RHP Logan Gillaspie off waivers from Baltimore Orioles. |
| 09/03/23 | Baltimore Orioles activated CF Aaron Hicks from the 10-day injured list. |
| 09/03/23 | Baltimore Orioles designated RHP Austin Voth for assignment. |
| 09/03/23 | Baltimore Orioles activated RHP Jorge López. |
| 09/03/23 | Baltimore Orioles optioned OF Colton Cowser to Norfolk Tides. |
| 09/02/23 | Baltimore Orioles designated RHP Logan Gillaspie for assignment. |
| 09/02/23 | Baltimore Orioles claimed RHP Jorge López off waivers from Miami Marlins. |
| 09/01/23 | Baltimore Orioles recalled OF Colton Cowser from Norfolk Tides. |
| 09/01/23 | Baltimore Orioles recalled RHP Joey Krehbiel from Norfolk Tides. |