Despite being listed as a full practice participant all week, Foster (hamstring) is listed as questionable for Sunday's game against the Bills.
Foster's full practice participation at practice suggests that he's likely to be active for Sunday's 1:00 ET tilt, but the questionable designation is an acknowledgment that the veteran back -- who missed time earlier this season -- is not yet 100 percent. Meanwhile, Jay Ajayi's 25-carry, 204-yard rushing effort in Week 6 puts him atop the Dolphins' RB pecking order for now.
Paysinger (hamstring/calf) is questionable to play against the Bills on Sunday.
Paysinger sustained a leg injury in Thursday's practice, but it's unclear what he's specifically dealing with. If he's unable to play, Donald Butler will step in as the Dolphins' starting strongside linebacker.
Vigil (back) returned to practice Wednesday, the Miami Herald reports.
Although eligible to practice, Vigil remains on the Dolphins' NFI list for the time being. He only participated in individual drills Wednesday, so he likely isn't completely recovered from the back ailment and remains without a definite timeline to return to game action.