In Basketball, 50 is often worn by centers.
In football, 50 may be worn by offensive or defensive linemen and linebackers.
I give you, Babe Ruth!
Willie Mays - Baseball
In honor of Michael Jordan.
Mike Adams of the Philadelphia Phillies
Barry Bonds is one
There are 150 countries with less than 50 athletes and only 54 with 50 or more athletes and 32 of those have 50 to 125 Athletes
Jaroslav Halak (montreal canadiens)
Reggie Lewis and Paul Silas.
the reign man,SHAWN KEMP
Nicklas Backstrom - Center - Washington Captials
Roy Williams from the bengals
my favorite dan marino of Miami dolphins(nfl)
No one does, the number 29 is banned from the Professional Athletics Association (PAA).
any execpt baseball, then only on Jackie robsion day are the allowed to wear the number 42.