Panthers RB Williams has sprained foot, considered day to day

Carolina Panthers running back DeAngelo Williams sprained a foot during the victory over the San Francisco 49ers and is considered day to day, coach John Fox said Monday.

Williams was injured Sunday during the second half of the Panthers' 23-20 win, their first of the season. He finished the game with season highs in carries (19) and receptions (four).

Williams has 361 rushing yards in six games this season. He ran for 1,117 and 1,515 yards, respectively, last season and in 2008.