The Red Sox and Yankees played 18 times in 2007. The Yankees won 10 and the Red Sox won 8.
The Red Sox win-loss record against the Yankees in 2008 was 9-9.
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.
In 2008, the series between the Yankees and Red Sox was tied with each team winning 9 games.
In a year by year breakdown, 2009 Red Sox 8 Yankees 0; 2008 Tie at 9 wins each; 2007 Red Sox 8 Yankees 10; 2006 Red Sox 8 Yankees 11, 2005 Red Sox 9 Yankees 11; 2004 Red Sox 11 Yankees 8; 2003 Red Sox 9 Yankees 10; 2002 Red Sox 9 Yankees 10; 2001 Red Sox 5 Yankees 13; 2000 Red Sox 6 Yankees 7.
The Yankees got 30 hits in a game against the Red Sox on September 28, 1923.
In 2010, the Yankees had a 9-9 record versus the Boston Red Sox.
The record between the Red Sox and the Yankees in the 2013 regular season was such that the Yankees won the season with a score of 13-5. Red Sox finished last.
Bill Lee owns the best winning percentage against the Yankees at 11-1, not sure who the all time winningest is though. Correction: Actually, it is Babe Ruth with a 17-5 record against the Yanks as a Red Sock.
In 1978, the Yankees finished the regular season with a 100-63 record. This included a one-game playoff against the Boston Red Sox.
Season series between the Yankees and Red Sox since 2000: 2000 - Yankees 7 wins, Red Sox 6 wins 2001 - Yankees 13 wins, Red Sox 5 wins 2002 - Yankees 10 wins, Red Sox 9 wins 2003 - Yankees 10 wins, Red Sox 9 wins 2004 - Red Sox 11 wins, Yankees 8 wins 2005 - Yankees 10 wins, Red Sox 9 wins 2006 - Yankees 11 wins, Red Sox 8 wins 2007 - Yankees 10 wins, Red Sox 8 wins 2008 - Yankees 6 wins, Red Sox 5 wins through the games played on July 26.
In 2009, the Red Sox had 9 wins, and 9 losses against the Yankees.
Against NY, the Sox have played 2002 games to date (7/4/2009) and have a 907 - 1095 record for a .453 percentage.