I would like to add Curtis Martin into this discussion, in his 11 year career he fumbled just 29 times (lost just 16 of them) at an average of 2.6363 times per year. He also was the featured back all 11 of those years, with 319 carries per year (And 44 receptions per year) and only not making the 1000 yard mark in his final season due to injury.
Kimble Anders wore #38 during his ten year career (1991-2000) with the Kansas City Chiefs.
During his NBA career, Wilt wore #13.
During his career with the Cowboys, Roger Staubach wore jersey number 12.
He wore numbers 50 and 57 during his NFL career.
Ty Cobb played in an era before uniforms displayed numbers. He did not have a number on his jersey during his career.
Herschel Walker wore #34 during his NFL career.
Roger Staubach wore #12 during his career with the Cowboys.
Jackie Robinson wore #42 during his entire career with the Brooklyn Dodgers.
Jackie Robinson wore #42 during his career (1947-1956) with the Brooklyn Dodgers.
Brandon Lloyd is currently a free agent. During his career he wore number 80, 83, 84 and 85.