Cornerbacks Rashean Mathis (groin) and Derek Cox (back) were downgraded from limited participation on Wednesday to no activity on Thursday. If Mathis and Cox can’t play for a second straight game, Aaron Ross and Will Middleton would likely start. Also, fullback Greg Jones (hip) and center Brad Meester (foot) did not practice on Thursday. Already ruled out for the Detroit game are running back Maurice Jones-Drew (foot) and safety Dwight Lowery (ankle). Running back Montell Owens (shoulder) was limited while quarterback Blaine Gabbert (left shoulder) and receiver Laurent Robinson (concussion) did full work for the second straight day. Source: Florida Times Union
