Orioles Roster & Staff
Transactions
| Date | Transaction |
| 02/24/10 | Baltimore Orioles signed free agent Miguel Chalas. |
| 02/11/10 | Baltimore Orioles invited non-roster RHP Armando Gabino to spring training. |
| 02/11/10 | Baltimore Orioles sent Armando Gabino outright to Norfolk Tides. |
| 02/09/10 | Baltimore Orioles signed free agent LHP Will Ohman to a minor league contract and invited him to spring training. |
| 02/09/10 | Baltimore Orioles designated RHP Armando Gabino for assignment. |
| 02/09/10 | Baltimore Orioles signed free agent LHP Mark Hendrickson. |
| 02/04/10 | Baltimore Orioles signed free agent 3B Ronarsy Ledesma to a minor league contract. |
| 02/03/10 | Dennis Sarfate assigned to Baltimore Orioles. |
| 02/03/10 | Baltimore Orioles sent RHP Dennis Sarfate outright to Norfolk Tides. |