Bernie Williams, who hit six home runs in the 1996 postseason.
Rodriguez's homer was his fifth of this postseason, tying him for second most in Yankees history in a single postseason behind Bernie Williams, who hit six in 1996. http://newyork.yankees.mlb.com/news/article.jsp?ymd=20091020&content_id=7508478&vkey=news_nyy&fext=.jsp&c_id=nyy
Alex Rodriguez in 2009 and Bernie Williams in 1996 both are tied with 6 home runs in a single postseason.
Bernie Williams
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.
The Yankees regular season record for 2006 was 97-65. The Yankees went 1-3 in the postseason.
The 2010 Yankees regular season record was 95-67. They also went 5-4 in the postseason.
In 1998, the Yankees regular season record was 114-48. They finished the postseason with a record of 11-2.
The Yankees regular season record in 2004 was 101-61. The Yankees also won 6 postseason games in 2004.
Through the 2012 season, the Yankees have made it to the postseason 51 times.
The Yankees made the postseason 35 times prior to 1996.
If they make it, it will be in October.
In 1998, the Yankees won 114 regular season games and 11 more in the postseason. The 125 combined wins is a major league record.
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.)
Through the 2011 season, The Yankees have an overall record of 1,129-953-14 against the Red Sox in the regular season. The Yankees also lead in the postseason, with a record of 11-8.