Bernie Williams and Alex Rodriguez have the most Postseason home runs as a Yankee in a single season with 6. Williams did it in 1996, and Rodriguez did it in 2009.
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
Barry Bonds hit the most postseason home runs in a single season with 8 in 2002.
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.
Bernie Williams hit the most career postseason home runs as a Yankee with 22.
Barry Bonds hit the most home runs in a single postseaon with 8 in 2002.
The most single season postseason home runs is 8, accomplished by Barry Bonds in 2002 and Nelson Cruz in 2011. Bonds hit 8 home runs in the 2002 postseason while playing for the San Francisco Giants, while Cruz hit 8 home runs in the 2011 postseason while playing for the Texas Rangers.
Alex Rodriguez has a career batting average in the postseason of .302 has 13 postseason home runs and 35 post season RBIs. He hit 6 home runs in the 2009 World Series 2 short of the record for home runs in a single post season. That's not too bad.
Bernie Williams has hit the most postseason homeruns for the Yankees with 22. Mickey Mantle has hit the most World Series homeruns in baseball history with 18.
Barry Bonds - 8 HR
Mark McGwire set the single season home run record with 70 but was broken three years later by Barry Bonds. Also, the New York Yankees set the single season win record by a team with 125 (114 regular season, 11 postseason.)