Cincinnati Bengals quarterback Andy Dalton celebrates after he scored a touchdown on a 3-yard run in the second half of an NFL football game against the Buffalo Bills, on Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/Tony Tribble)

Buffalo Bills kick returner Brad Smith (16) returns a kick against Cincinnati Bengals' Cedric Peerman (30) in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Al Behrman)

Buffalo Bills quarterback Ryan Fitzpatrick (14) passes against the Cincinnati Bengals in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Al Behrman)

Cincinnati Bengals quarterback Andy Dalton (14) avoids a tackle by Buffalo Bills defensive tackle Kyle Williams in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals cornerback Nate Clements (22) breaks up a pass intended for Buffalo Bills receiver Brad Smith (16) in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Oct 2, 2011; Cincinnati, OH, USA; Cincinnati Bengals fans stand over a sign supporting breast cancer awareness during pre game warm ups against the Buffalo Bills at Paul Brown Stadium. Mandatory Credit: Frank Victores-US PRESSWIRE

Buffalo Bills safety George Wilson intercepts a pass intended for Cincinnati Bengals wide receiver Andre Caldwell (87) in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Buffalo Bills safety Bryan Scott intercepts a pass intended for Cincinnati Bengals wide receiver Andre Caldwell, right, in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. Scott returned the interception for a touchdown. (AP Photo/Tony Tribble)

Buffalo Bills defensive tackle Marcell Dareus (99) sacks Cincinnati Bengals quarterback Andy Dalton (14) in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Buffalo Bills running back Fred Jackson (22) runs for a 2-yard touchdown in the first half of an NFL football game against the Cincinnati Bengals, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals quarterback Andy Dalton (14) passes against the Buffalo Bills in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Buffalo Bills wide receiver Steve Johnson (13) runs downfield past Cincinnati Bengals cornerback Kelly Jennings (23) on a 44-yard pass reception in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals tight end Jermaine Gresham (84) catches a 17-yard touchdown pass against Buffalo Bills safety George Wilson (37) in the second half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals wide receiver A.J. Green catches a pass against the Buffalo Bills in the second half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. Green caught four passes for 118 yards as Cincinnati won 23-20. (AP Photo/Tony Tribble)

Buffalo Bills quarterback Ryan Fitzpatrick (14) is sacked by Cincinnati Bengals defensive end Michael Johnson (93) in the second half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals running back Cedric Benson (32) runs past Buffalo Bills defensive end Alex Carrington (92) in the second half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals coach Marvin Lewis urges on offensive tackle Dennis Roland (74) in the second half of an NFL football game against the Buffalo Bills, Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/David Kohl)

Cincinnati Bengals defensive tackle Domata Peko meets with Buffalo Bills quarterback Ryan Fitzpatrick (14) after the Bengals defeated the Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals' Mike Nugent (2) watches his game-winning 43-yard field goal with holder Kevin Huber in the closing seconds of an NFL football game against the Buffalo Bills, Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/Tony Tribble)

Cincinnati Bengals' Andrew Whitworth thanks the fans after the Bengals defeated the Buffalo Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals place-kicker Mike Nugent (2) is congratulated after the Bengals defeated the Buffalo Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. Nugent kicked a game-winning 43-yard field goal as time expired. (AP Photo/David Kohl)

Cincinnati Bengals' A.J. Green hugs quarterback Andy Dalton (14) after Dalton scored a touchdown on a 3-yard run in the second half of an NFL football game against the Buffalo Bills, Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/Tony Tribble)

Cincinnati Bengals wide receiver A.J. Green celebrates after the Bengals defeated the Buffalo Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals quarterback Andy Dalton (14) scores on a 3-yard touchdown run past Buffalo Bills safety Bryan Scott (43) and safety George Wilson (37) in the fourth quarter of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/Tony Tribble)

Cincinnati Bengals quarterback Andy Dalton scores a touchdown on a 3-yard run in the second half of an NFL football game against the Buffalo Bills, Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/David Kohl)

Cincinnati Bengals' Mike Nugent (2) kicks a 43-yard field goal to defeat the Buffalo Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. Kevin Huber holds. (AP Photo/David Kohl)

Cincinnati Bengals' Mike Nugent (2) is congratulated by Kevin Huber and Domata Peko, left, after Nugent kicked a 43-yard field goal to defeat the Buffalo Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Buffalo Bills coach Chan Gailey urges on his players in the second half of an NFL football game against the Cincinnati Bengals, Sunday, Oct. 2, 2011, in Cincinnati. Cincinnati won 23-20. (AP Photo/Tony Tribble)

Cincinnati Bengals quarterback Andy Dalton (14) passes as offensive tackle Andre Smith blocks Buffalo Bills linebacker Chris Kelsay (90) in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals running back Cedric Peerman warms up next to a pink goalpost to draw attention to breast cancer awareness prior to an NFL football game against the Buffalo Bills, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Al Behrman)

Oct 2, 2011; Cincinnati, OH, USA; Cincinnati Bengals Armon Binns wearing a Breast Cancer Awareness Bengals hat during pre game warm ups against the Buffalo Bills at Paul Brown Stadium. Mandatory Credit: Frank Victores-US PRESSWIRE

Buffalo Bills defensive tackle Marcell Dareus (99) is congratulated after his first career sack in the first half of an NFL football game against the Cincinnati Bengals, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals quarterback Andy Dalton looks to pass against the Buffalo Bills in the second half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Buffalo Bills wide receiver Steve Johnson (13) catches a pass against the Cincinnati Bengals in the second half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals cheerleaders perform during an NFL football game against the Buffalo Bills, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Cincinnati Bengals wide receiver Brandon Tate catches a punt against the Buffalo Bills in the first half of an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Buffalo Bills wide receiver Steve Johnson (13) runs upfield after a pass reception in the second half of an NFL football game against the Cincinnati Bengals, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals offensive tackle Andrew Whitworth walks off the field after the Bengals defeated the Buffalo Bills 23-20 in an NFL football game, Sunday, Oct. 2, 2011, in Cincinnati. (AP Photo/David Kohl)

Oct 2, 2011; Cincinnati, OH, USA; Cincinnati Bengals cheerleader performs during the second half against the Buffalo Bills at Paul Brown Stadium. The Bengals defeated the Bills 23-20. Mandatory Credit: Frank Victores-US PRESSWIRE

Perseverance paid off for Bills safety Bryan Scott. An Andy Dalton pass intended for Andre Caldwell looked as though it would be incomplete when Caldwell fell to the ground after being unable to reel in the ball. But the ball never touched the ground after hitting Caldwell's leg, and Scott grabbed it and ran for a score.