Dave Winfield
Babe Ruth has the most career home runs as a Yankee with 659.
Mickey Mantle hit the most home runs at the old Yankee Stadium with 266.
Bernie Williams hit the most career postseason home runs as a Yankee with 22.
Babe Ruth hit 659 of his 714 home runs as a New York Yankee.
Roger Maris in 61 I believe.
Mickey Mantle with 266 HRs.
Mickey Mantle, with 536 career home runs between 1951 and 1968, has the most home runs as a New York Yankee, who has not played for another team. Babe Ruth has the most home runs as a Yankee with 659, but has also played for the Boston Red Sox and the Boston Braves.
As of 2009, Bernie Williams holds the record for most home runs hit in a single postseason by a New York Yankee with 6, in 1996
Manny Ramirez did when he was a Red Sox player.
Babe Ruth hit 659 home runs as a New York Yankee.
Roger Maris hit 61 home runs in the 1961 season.
In World Series play, Mickey Mantle hit the most home runs, with 18.