Tomlinson,Asoumgha,And u just look up some on wikipedia.com
Andrea Pirlo
LaDanian Tomlinson, Tiki Barber, Deion Sanders, Deanglo Hall, Bob Sanders, Type your answer here...
They are most likely to be 21-24
He is number 21
The number 21 jersey for Essendon Football Club has been worn by several players, most notably by champion midfielder and 2000 Brownlow Medalist, Mark Mercuri. Other notable players include Derek Kickett and Jason Winderlich. The number has a rich history within the club, contributing to the legacy of Essendon in the AFL.
because they would get a concussion or worse
It is Ryan Giggs with over 21 medals.
Tim Duncan
21
The players choose whether or not to wear the numbers of fallen NFL players during the season. New England is not the only team to choose not to wear Sean Taylor's number on the back of their helmet. The 91 on the back of New England's helmet represents the number of their teammate Marquise Hill who died during the summer of 2007 in a boating accident.
Tim Duncan, KG,
21