Davidson tallied two tackles -- both of which were sacks -- in Sunday's 29-20 win over Seattle in Week 5.
Davidson (knee) is inactive for Sunday's contest versus the Bills.
Davidson (elbow) was a full participant in Saturday's practice, Pat Leonard of the New York Daily News reports.
Davidson (knee) is inactive for Sunday's game against the Cowboys, Art Stapleton of The Bergen Record reports.
Davidson (knee) passed his physical Monday and was activated from the active/PUP list, Dan Salomone of the Giants' official site reports.