Carolina Panthers running back DeAngelo Williams (34) is brought down by New England Patriots safety James Sanders (36) and New England Patriots...

Running backs DeAngelo Williams #34 and Jonathan Stewart #28 of the Carolina Panthers celebrate a touchdown run in Charlotte, North...

CHARLOTTE - NOVEMBER 19: DeAngelo Williams #34 of the Carolina Panthers runs with the ball against the Miami Dolphins at Bank of...

GLENDALE, AZ - NOVEMBER 01: Runningback DeAngelo Williams #34 of the Carolina Panthers rushes the ball against the Arizona Cardinals during the NFL game...

Carolina Panthers running back DeAngelo Williams (34), running back Tyrell Sutton (22) and center Ryan Kalil (67) celebrate after DeAngelo's touchdown...

October 18, 2009; Tampa, FL, USA; Carolina Panthers running back DeAngelo Williams (34) runs with the ball during the second half against Tampa Bay Buccaneers at Raymond James...

CHARLOTTE, NC - SEPTEMBER 13: DeAngelo Williams #34 of the Carolina Panthers carries the ball against the Philadelphia Eagles at Bank Of America...

TAMPA, FL - OCTOBER 18: DeAngelo Williams #34 of the Carolina Panthers runs the ball against the Tampa Bay Buccaneers at Raymond James...

Carolina Panthers running backs DeAngelo Williams (34) and Jonathan Stewart (28) are shown during the team's NFL football training camp in...

Aug 17, 2009; East Rutherford, NJ, USA; Carolina Panthers running back DeAngelo Williams (34) runs with the ball during first half against the New York Giants at Giants Stadium...

Jan 10, 2009; Charlotte, NC, USA; Carolina Panthers running back DeAngelo Williams (34) carries the ball against the Arizona Cardinals during the first quarter of the NFC Divisional...

Carolina Panthers' DeAngelo Williams (34) and Jonathan Stewart (28) celebrate William's second touchdown during their 34-0 win over...

Carolina Panthers running back DeAngelo Williams during a summer school mini camp at the Carolina Panthers practice fields in Charlotte, North Carolina...

TAMPA, FL - OCTOBER 12: Jimmy Wilkerson #97 of the Tampa Bay Buccaneers tackles DeAngelo Williams #34 of the Carolina Panthers at Raymond James Stadium on October 12, 2008 in Tampa, Florida...

CHARLOTTE, NC - JANUARY 10: DeAngelo Williams #34 of the Carolina Panthers carries the ball during the NFC Divisional Playoff Game against the...