Tennessee Titans running back Chris Johnson, left, is greeted by teammate Tennessee Titans FB Ahmard Hall, right, after scoring a touchdown during their NFL football game against the San Francisco 49ers in...

...SAN FRANCISCO, CA - NOVEMBER 8: Ahmard Hall #45 of the Tennessee Titans in action against the San Francisco 49ers at Candlestick Park on...

...first quarter of an NFL football game in Indianapolis, Sunday, Dec. 6, 2009. Titans running back Ahmard Hall, left, moves in. (AP Photo/Michael Conroy

Tennessee Titans runnging back Ahmard Hall (45) fumbles the ball as he Is tackled by Indianapolis Colts linebacker Clint Session during the...

NASHVILLE, TN - OCTOBER 27: Fullback Ahmard Hall #45 of the Tennessee Titans blocks linebacker Freddy Keiaho #54 of the Indianapolis Colts at LP...