Ryan Saunders
Lee Roy Jordan, Junior Seau!!
Jeff garcia wore it for awile so did mcnabb
Brett Favre
Sam Huff
Lee Roy Jordan.
Deon Sanders wore 21
John Elway.
21
Fred Biletnikoff
Vinny Testaverde wore number 16 .
Sean Taylor was a famous NFL player who wore Number 21 for the Washington Redskins. He was murdered when he was shot during a botched robbery/home invasion.