Offseason
- December 3, 2004: Kenny Lofton was traded by the Yankees to the Philadelphia Phillies for Félix Rodríguez.
- December 3, 2004: Félix Heredia was traded by the Yankees to the New York Mets for Mike Stanton.
- December 20, 2004: Carl Pavano signed as a free agent with the Yankees.
- December 28, 2004: Jaret Wright signed as a free agent with the Yankees.
- January 11, 2005: Javier Vázquez, Brad Halsey, Dioner Navarro, and cash were traded by Yankees to the Arizona Diamondbacks for Randy Johnson.
- January 21, 2005: Aaron Small was signed as a Free Agent with the New York Yankees.
- February 9, 2005: Buddy Groom was signed as a Free Agent with the New York Yankees.
- February 18, 2005: Ramiro Mendoza was signed as a free agent by the Yankees.
Read more about this topic: 2005 New York Yankees Season