Kansas City Chiefs starting running back Jamaal Charles left Sunday's season opener with an apparent quadriceps injury. The incident occured in the third quarter against the Jacksonville Jaguars.
According to Reid Ferrin of Kansas City's official website, his status was being listed as questionable:
Jamaal Charles (Quad) injury, and his return is questionable. #KCvsJAX— Reid Ferrin (@KCChiefs_Reid) September 8, 2013
Charles played in Week 2's matchup against the Cowboys.