2000
On June 27, 1970, the Yankees lost to the Boston Red Soxat Yankee Stadium, 4-0.
On June 8, 2011, the Yankees lost to the Boston Red Sox, 11-6 at Yankee Stadium.
New York Yankees!!
New York Yankees
The last time was on June 21, 1916. Rube Foster was the pitcher for the Boston Red Sox.
Sunday Night Baseball - 1990 Boston Red Sox vs- New York Yankees 24-10 was released on: USA: 2 June 2013
Sunday Night Baseball - 1990 New York Yankees vs- Boston Red Sox 18-10 was released on: USA: 3 June 2007
He played for the Boston Red Sox, the New York Yankees and the Boston Braves.
Babe Ruth played for the Boston Braves after the Yankees.
Probably the Boston Red Sox are the Yankees biggest rival.
YES
Yankees