Charlotte, NC (SportsNetwork.com) - Carolina Panthers running backs DeAngelo Williams and Jonathan Stewart are both listed as questionable for Sunday's game against Tampa Bay.
Williams did not practice all week due to a quad injury. The Memphis product has carried the ball 151 times for 610 yards and two touchdowns in 11 games this season.
Panthers head coach Ron Rivera stated that there is "a lot of concern" regarding Williams' chances of playing Sunday.
Stewart (ankle) was limited in practice the past two days after missing Wednesday's session. The Oregon product has carried the ball 33 times for 125 yards in four games this year.
Fullback Mike Tolbert (knee) and linebacker Chase Blackburn (foot) are also listed as questionable.
Defensive end Charles Johnson (knee) and guard Chris Scott (knee) have been ruled out. Johnson, who will miss his second straight game, has 8 1/2 sacks this season.
Tight end Ben Hartsock (knee) is listed as doubtful.
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