Founded in 1901, The Boston Red Sox is an MLB team based in Boston, Mass. The Red Sox competes in Major League Baseball (MLB) as an American League (AL) East division member club. The Sox started out as one of the American League's eight charter franchises. Boston's home ballpark has been Fenway Park since 1912.
- The Red Sox retired the jersey number 1 in honor of Bobby Doerr.
- The Red Sox retired the jersey number 4 in honor of Joe Cronin.
- The Red Sox retired the jersey number 6 in honor of Johnny Pesky.
- The Red Sox retired the jersey number 8 in honor of Carl Yastrzemski.
- The Red Sox retired the jersey number 9 in honor of Ted Williams.
- The Red Sox retired the jersey number 14 in honor of Jim Rice.
- The Red Sox retired the jersey number 26 in honor of Wade Boggs.
- The Red Sox retired the jersey number 27 in honor of Carlton Fisk.
- The Red Sox retired the jersey number 34 in honor of David Ortiz.
- The Red Sox retired the jersey number 45 in honor of Pedro Martínez.
- The All MLB retired the jersey number 42 in honor of Jackie Robinson.