The #4 was retired in 1984 in honor of Joe Cronin. Those that wore #4 for the Red Sox: 1931: Rabbit Warstler
1932: Hal Rhyne
1933: Smead Jolley
1934: Roy Johnson
1935: Joe Cronin
1936: Eric McNair
1937-1947: Joe Cronin
1948-1949: Sam Mele
1950: Ken Keltner
1951-1954: Lou Boudreau
1955-1959: Jackie Jensen
1960: Lu Clinton
1963-1964: Roman Mejias
1965: Rudy Schlesinger, Jim Gosger
1966: Don Demeter
1967: Don Demeter, Norm Siebern
1969: Billy Conigliaro, Tom Satriano
1970: Tom Satriano
1971: Ben Oglivie
1972-1974: Tommy Harper
1976-1980: Butch Hobson
1981-1982: Carney Lansford
Trot Nixon used to wear #4 for the Boston Red Sox but he was traded to the Indians, so no one currently wears #4 for the Boston Red Sox.
Recently, Tim Naehring wore #11.
Carl Yastrzemski wore #8 for the Boston Red Sox.
Crisp wore # 10 with the Red Sox.
Pokey Reese wore # 3 for the Red Sox.
That was Johnny Damon who wore #18 for the Red Sox between 2002-2005.
Mike Ryba, a pitcher, wore #20 for the Red Sox between 1942-1946.
Luis Aparicio wore #11 with the Boston Red Sox.
Pitcher Keith Foulke wore #29 for the Red Sox between 2004-2006.
Click on the 'Red Sox Numbers' link on this page to see every player that wore every number in Red Sox history.
Mark Kotsay wore it at the end of this year
Rich Gedman wore #10 with the Red Sox (1981-1990).
Tony Perez wore #5 for the Boston Red Sox.