Team doctors told coach Doug Marrone that if the game was Thursday, Watkins would not play. The Bills have an off day Friday before Saturday's game, giving doctors another chance to evaluate Watkins' ribs.
Watkins ramped up his participation slightly in Thursday's practice, taking part in routes versus air after sitting out that portion of practice Tuesday and Wednesday. When the Bills broke into full-team drills, Watkins moved to a side field for a workout.
If Watkins doesn't play Saturday, the Bills are expected to use Mike Williams, Chris Hogan and Robert Woods as their top three receivers with EJ Manuel and the first-team offense. T.J. Graham also could see time with that group.