Indianapolis, IN (My Sportsbook) - Indianapolis Colts running backs Edgerrin James and Ricky Williams were back at practice on Wednesday and are listed as questionable for Sunday's game against Dallas because of hamstring injuries.

James missed the last two games because of a strained right hamstring he sustained in an October 27 game against Washington. He also damaged rib cartilage in that contest.

Williams, who replaced James late in the 26-21 victory over the Redskins, has also missed the past two games. He injured his hamstring in practice before the November 3 game against Tennessee.

Rookie free agent James Mungro has carried the bulk of the workload the past two weeks. In his first NFL start last Sunday against Philadelphia, the former Syracuse standout ran for 114 yards and two touchdowns on 28 carries in a 35-13 victory. He also had 60 yards on 16 carries in a loss to Tennessee.

James leads the Colts with 523 rushing yards, but has not looked like the two- time NFL rushing champion since he suffered a serious knee injury last season.

Receiver Qadry Ismail is also questionable for Sunday's game against the Cowboys because of a sprained left knee he sustained in last week's game against the Eagles. He has 32 receptions for 321 yards with three touchdowns this season, his first with the Colts.