Spiller practiced for the second straight day on Friday after missing one game while nursing a hamstring injury sustained against the Detroit Lions in Week 10.
Wood didn't practice all week because of an ankle injury sustained in Sunday's win over the Cincinnati Bengals.
Cornerback Terrence McGee likely won't play for the Bills (2-8), after aggravating a knee injury during Wednesday's practice.
And tight end Shawn Nelson didn't practice Friday because of an illness, but should be available to play Sunday.
Copyright 2010 by The Associated Press