Bills' Clay leaves game early in 2nd quarter vs. Bengals with knee injury

Buffalo Bills tight end Charles Clay was carted to the locker room at the start of the second quarter of Sunday's game against the Cincinnati Bengals after suffering a knee injury, Vic Carucci of the Buffalo News reports.

Clay entered Week 5 as the Bills' leader in targets, receiving yards, and tied for the team lead in receiving touchdowns.

Nick O'Leary is listed as the No. 2 tight end on the Bills' official depth chart.