In this Nov. 7, 2012 photo, Buffalo Bills' Leodis McKelvin makes a catch during NFL football practice in Orchard Park, N.Y. Cornerback Leodis McKelvin's ability to return punts and kickoffs is not in question. Yet, the Bills former first-round draft pick considers himself a defensive player first. McKelvin will get yet another shot to prove himself at New England on Sunday after being inserted into the starting lineup due to a rash of injuries. (AP Photo/David Duprey)

In this Nov. 7, 2012 photo, Buffalo Bills' Leodis McKelvin runs a drill during NFL football practice in Orchard Park, N.Y. Cornerback Leodis McKelvin's ability to return punts and kickoffs is not in question. Yet, the Bills former first-round draft pick considers himself a defensive player first. McKelvin will get yet another shot to prove himself at New England on Sunday after being inserted into the starting lineup due to a rash of injuries. (AP Photo/David Duprey)

In this Nov. 7, 2012 photo, Buffalo Bills' Leodis McKelvin (21) runs a drill with Bills' Jairus Byrd (31) during NFL football practice in Orchard Park, N.Y. Cornerback Leodis McKelvin's ability to return punts and kickoffs is not in question. Yet, the Bills former first-round draft pick considers himself a defensive player first. McKelvin will get yet another shot to prove himself at New England on Sunday after being inserted into the starting lineup due to a rash of injuries. (AP Photo/David Duprey)

In this Nov. 7, 2012 photo, Buffalo Bills' Leodis McKelvin runs a drill during NFL football practice in Orchard Park, N.Y. Cornerback Leodis McKelvin's ability to return punts and kickoffs is not in question. Yet, the Bills former first-round draft pick considers himself a defensive player first. McKelvin will get yet another shot to prove himself at New England on Sunday after being inserted into the starting lineup due to a rash of injuries. (AP Photo/David Duprey)