Yankees Roster & Staff
Transactions
| Date | Transaction |
| 09/24/09 | Pittsburgh Pirates claimed RHP Anthony Claggett off waivers from New York Yankees. |
| 09/23/09 | RHP Anthony Claggett roster status changed by New York Yankees. |
| 09/20/09 | New York Yankees activated C Jorge Posada. |
| 09/19/09 | New York Yankees recalled RHP Ian Kennedy from Scranton/Wilkes-Barre Yankees. |
| 09/18/09 | New York Yankees recalled 1B Juan Miranda from Scranton/Wilkes-Barre Yankees. |
| 09/16/09 | C Jorge Posada suspended. |
| 09/14/09 | New York Yankees selected the contract of LF Freddy Guzman from Scranton/Wilkes-Barre Yankees. |
| 09/14/09 | New York Yankees designated RHP Anthony Claggett for assignment. |
| 09/07/09 | New York Yankees activated LF Brett Gardner from the 15-day disabled list. |
| 09/07/09 | New York Yankees recalled Shelley Duncan from Scranton/Wilkes-Barre Yankees. |
| 09/05/09 | New York Yankees released C Kevin Cash. |
| 09/05/09 | New York Yankees selected the contract of RHP Josh Towers from Scranton/Wilkes-Barre Yankees. |
| 09/03/09 | Graham Stoneburner assigned to Staten Island Yankees from New York Yankees. |
| 09/03/09 | New York Yankees recalled RHP Jonathan Albaladejo from Scranton/Wilkes-Barre Yankees. |
| 09/01/09 | New York Yankees signed Graham Stoneburner. |
| 09/01/09 | New York Yankees recalled RHP Edwar Ramirez from Scranton/Wilkes-Barre Yankees. |
| 09/01/09 | New York Yankees recalled RHP Mark Melancon from Scranton/Wilkes-Barre Yankees. |
| 09/01/09 | New York Yankees recalled 2B Ramiro Pena from Scranton/Wilkes-Barre Yankees. |
| 09/01/09 | New York Yankees recalled Francisco Cervelli from Scranton/Wilkes-Barre Yankees. |
| 09/01/09 | New York Yankees recalled LHP Mike Dunn from Scranton/Wilkes-Barre Yankees. |