The first baseball team to use numbers on uniforms was the 1916 Cleveland Indians when they wore small numbers on the sleeves of their uniforms, as a way of identifying the players. This practice was short lived.
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.
Here is a small list of some noted Baseball players that wore uniform number 55.
Brandon Webb (2003-2004)
Jeff Suppan (1995-97)
Jorge Posada (1996)
Hideki Matsui (2003 - Present)
Shawn Estes (2003)
In 1990, Steelers linebacker Jerry Olsavsky wore the #55.
Matt Millen. Millen wore #55 for the Raiders between 1980-1988.
On the 1990-91 Edmonton Oilers, no player wore the #55.
Junior Seau wore number 55
Jason Taylor
Pitcher Orel Hershiser. Hershiser wore #55 for the Dodgers between 1983-1994.
dan dierdorf
Patrick Bailey
Dizzy Dean
Jon Kolb
55 players all time
55 Laura Jecker