Baltimore Ravens running back Bernard Pierce (30) is tackled by Buffalo Bills middle linebacker Kiko Alonso (50) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills wide receiver T.J. Graham (11) runs past Baltimore Ravens cornerback Lardarius Webb (21) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Baltimore Ravens quarterback Joe Flacco (5) runs under pressure from Buffalo Bills middle linebacker Kiko Alonso (50) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Baltimore Ravens quarterback Joe Flacco (5) passes under pressure from Buffalo Bills defensive end Mario Williams (94) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills wide receiver Robert Woods (10) scores a touchdown in front of Baltimore Ravens cornerback Corey Graham (24) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills running back C.J. Spiller (28) runs against the Baltimore Ravens during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills running back Fred Jackson (22) runs past Baltimore Ravens outside linebacker Courtney Upshaw (91) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Baltimore Ravens cornerback Corey Graham, right, intercepts a pass in front of Buffalo Bills wide receiver Robert Woods during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Baltimore Ravens wide receiver Torrey Smith (82) scores a touchdown in front of a Buffalo Bills defender during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills middle linebacker Kiko Alonso (50) makes an interception in front of Baltimore Ravens tight end Dallas Clark (87) during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills defensive back Brandon Burton (29) breaks up a pass intended for Baltimore Ravens wide receiver Torrey Smith (82) during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Baltimore Ravens quarterback Joe Flacco (5) passes against the Buffalo Bills during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills running back Fred Jackson (22) is swarmed by fans after scoring a touchdown against the Baltimore Ravens during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Baltimore Ravens running back Bernard Pierce (30) is tackled by Buffalo Bills middle linebacker Kiko Alonso (50) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Baltimore Ravens running back Ray Rice (27) and tackle Bryant McKinnie (78) pose in the end zone during warm ups before an NFL football game against the Buffalo Bills on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills free safety Aaron Williams (23) intercepts a pass intended for Baltimore Ravens wide receiver Torrey Smith (82) during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Baltimore Ravens wide receiver Tandon Doss (17) is tackled by Buffalo Bills defensive back Nickell Robey (37) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Baltimore Ravens tight end Dallas Clark (87) runs from Buffalo Bills outside linebacker Manny Lawson (91) and middle linebacker Kiko Alonso (50) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills running back C.J. Spiller (28) is tackled by Baltimore Ravens linebacker Pernell McPhee (90) during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills running back Fred Jackson, left, is hit by Baltimore Ravens strong safety James Ihedigbo (32) during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills head coach Doug Marronestands on the field during the first half of an NFL football game against the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills wide receiver Robert Woods (10) scores a touchdown in front of Baltimore Ravens cornerback Corey Graham (24) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Baltimore Ravens running back Ray Rice (27) runs against the Buffalo Bills during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills head coach Doug Marrone, left, and quarterback EJ Manuel walk off the field after an NFL football game against the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. Buffalo won, 23-20. (AP Photo/Bill Wippert)