Bob Sanders on the sidelines during his 2007 NFL Defensive MVP season. (Brent Smith | Reuters)

Indianapolis Colts Bob Sanders puts on his gloves before an NFL game in Indianapolis in this December 23, 2007 file photo. The defensive back has been ruled out indefinitely with a torn right biceps, the team said on Wednesday. The 2007 Defensive Player of the Year, Sanders was hurt during Sunday’s season-opening loss to the Houston Texans when he fell awkwardly in his first series on the field. REUTERS/Brent Smith/Files (UNITED STATES – Tags: SPORT FOOTBALL)