Vyacheslav Kozlov (Atlanta Thrashers), Ray Whitney (Carolina Hurricanes), Krystopher Barch (Dallas Stars), Pavel Datsyuk (Detroit Red Wings), Andrew Cogliano (Edmonton Oilers), Mike Cammalleri (Montreal) Bill Guerin (Pittsburgh)
Jackie Robinson wore #21 for the Brooklyn Dodgers for ten seasons (1947-56).
Roberto Clemente wore uniform number 13, and 21 during his first year in 1955 with the Pittsburgh Pirates, and wore uniform number 21 the rest of his career from 1956 -1972.
Sean Taylor was a famous NFL player who wore Number 21 for the Washington Redskins. He was murdered when he was shot during a botched robbery/home invasion.
Click on the link below to see all the players that wore #21 for the Yankees.
Paul Blair wore number 2 from 1977-1979 and number 27 in 1980, when playing for the New York Yankees.
Borje Salming wore number 21 for the Toronto Mapleleafs. However, he left the team in 1989 and his number 21 was taken by a future NHL star named Sean McKenna.
MANY
Carlos Delgado Kevin Elster
Barry Larkin
Jackie Robinson wore #21 for the Brooklyn Dodgers for ten seasons (1947-56).
He wore #21.
Rafael wore jersey number 21 for mancunian republic in 2010-2011.
He wore #21.
Running Back J.R. Redmond wore 21 for the 2001 New England Patriots.
According to Baseball Almanac, no one on the 1995 White Sox roster wore #21.
Roberto Clemente wore uniform number 13, and 21 during his first year in 1955 with the Pittsburgh Pirates, and wore uniform number 21 the rest of his career from 1956 -1972.
Sean Taylor was a famous NFL player who wore Number 21 for the Washington Redskins. He was murdered when he was shot during a botched robbery/home invasion.