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 career with the Cowboys, Roger Staubach wore jersey number 12.
During his NBA career, Wilt wore #13.
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.
Jackie Robinson wore #42 during his entire career with the Brooklyn Dodgers.
Herschel Walker wore #34 during his NFL career.
Roger Staubach wore #12 during his career with the Cowboys.
When Ty Cobb played baseball they did not issue numbers on the uniforms. So he never had a number during his entire career.
...were his OTHER numbers. His main number was 23. source: http://en.wikipedia.org/wiki/Michael_Jordan
Brandon Lloyd is currently a free agent. During his career he wore number 80, 83, 84 and 85.
Jackie Robinson wore #42 during his career (1947-1956) with the Brooklyn Dodgers.
Former Miami Dolphins quarterback and Hall of Famer Dan Marino wore the number 13 during his 16 year career in the National Football League. Marino also wore that number in this collegiate career at the University of Pittsburgh.
Aaron Rouse wore the number 36 during his football college career for the Virginia Tech Hokies.
the number one running back in 1A football. he runs for the sunray bobcats. it is his senior year and he is over 4,000 rushing yards in his career
LenDale White wore #21 for the Trojans during his collegiate career.
Horace Clarke wore #20 during his career (1965-1974) with the New York Yankees.
During a career spanning two decades Presley set and broke many sales records with over 100 top 40 hit singles including 18 number ones.
Cal Ripken, Jr. started his professional Major League Baseball career on August 24, 1981 at age 20. He wore the number 8 for the length of his career which ended on October 6, 2001 (total of 21 seasons, all with the Baltimore Orioles). (He did wear the number 7 during the early part of the 1981 season, but his official number for the duration of his MLB career was number 8.)
During his career with the Washington Redskins (1986-1993), Ricky Sanders wore #83. 83
Phil Rizzuto wore #10 his during his career with the Yankees (1941-1942, 1946-1956).
Lou Gehrig wore #4 during his career with the New York Yankees.
Alex Ovechkin has always worn the #8 during his NHL career.