numbersneverlie's - Most World Series titles all-time: Yankees (27) Cardinals (11) Athletics (9) Giants (8) Red Sox (8)
New York Yankees 27 World Championships - Sports Illustrated
Players who won the World Series with the Red Sox and Yankees
Yankees–Red Sox rivalry - Wikipedia
MORE
New York Yankees 27 World Championships - Sports Illustrated
The Yankees Have Won A Record Of 27 World Series Titles
The Yankees Have Won A Record Of 27 World Series Titles
New York Yankees, Baseball Wiki
Yankees–Red Sox rivalry - Wikipedia
1927 World Series - Wikipedia
Yankees–Red Sox rivalry - Wikipedia