Dave Concepcion, for the Reds, is in the hall and wore 13. Doyle Alexander, who pitched for several teams in the 70s and 80s, wore #13.
Currently, Alex Rodriguez of the Yankees wears #13.
Currently, Robert Fick of the Washington Nationals wears #13.
Steve Nash
alex rodriguez
Mel Ott wore number 4 for the New York Giants baseball team. His number was retired in 1948.
Babe Ruth
Babe Ruth
Dan Durante
Hank aAron
Roberto Alomar
Dizzy Dean
The most famous was Babe Ruth.
Russle Branyan on the brewers in 2008
Anthony