Bills head coach Sean McDermott said Monday that Cooper (personal), who was excused from Sunday's loss to the Patriots due to a family matter, has not yet returned to team facilities, Matt Parrino of The Syracuse Post-Standard reports.
Amari Cooper - Not yet back with team
Tyler Bass accounts for four points in Week 18 loss
Mack Hollins hauls in three passes in Week 18
Curtis Samuel hauls in seven passes in Week 18 loss
Keon Coleman hauls in two passes in Week 18
James Cook finds the end zone in Week 18 loss
Samuel caught seven of eight targets for 52 yards in Sunday's 23-16 loss to the Patriots.