in 1929 the New York Yankees decided to wear numbers to the backs of their jerseys. The numbers corresponded to each player's general position in the lineup.for example Babe Ruth wore No. 3, since he usually batted third, and Lou Gehrig wore No. 4 as he batted fourth.
All of the following players wore number 13:
Ronny Cedeno (2009-2010)
Nate McLouth (2006-2009)
Cesar Izturis (2007)
Nyjer Morgan (2007)
Adrian Brown (1997-2002)
Carlos Garcia (1993-1996)
Jose Lind (1987-1992)
Trench Davis (1986)
Steve Kemp (1985)
Fernando Gonzalez (1977-1978)
Ed Acosta (1970)
Red Swanson (1956)
Roberto Clemente (1955)
Eddie Pellagrini (1953-1954)
Ted Beard (1951)
Bill Pierro (1950)
Marv Rickert (1950)
Kirby Higbe (1947-1949)
Luke Hamlin (1942)
Jason Worilds is number 93 on the Pittsburgh Steelers.
Alvester Alexander is number 39 on the Pittsburgh Steelers.
Antonio Brown is number 84 on the Pittsburgh Steelers.
Brian Arnfelt is number 69 on the Pittsburgh Steelers.
Cody Wallace is number 72 on the Pittsburgh Steelers.
Curtis Brown is number 31 on the Pittsburgh Steelers.
David DeCastro is number 66 on the Pittsburgh Steelers.
David Paulson is number 81 on the Pittsburgh Steelers.
David Snow is number 71 on the Pittsburgh Steelers.
Derek Moye is number 14 on the Pittsburgh Steelers.
Guy Whimper is number 78 on the Pittsburgh Steelers.
Ike Taylor is number 24 on the Pittsburgh Steelers.