Cincinnati Bengals tight end Jermaine Gresham steps into the end zone for a touchdown against the San Diego Chargers during the first half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

Cincinnati Bengals quarterback Andy Dalton throws a pass against the San Diego Chargers during the first half of an NFL football game Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Philip Rivers throws a pass against the Cincinnati Bengals during the first half of an NFL football game on Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Lenny Ignelzi )

San Diego Chargers linebacker Demorrio Williams runs an interception back for a touchdown against the Cincinnati Bengals during the first half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers linebacker Demorrio Williams, center, celebrates with Eric Weddle, right, and Shaun Phillips, left, after running an interception back for a touchdown during the first half of an NFL football game against the Cincinnati Bengals, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

Cincinnati Bengals quarterback Andy Dalton throws a pass against the San Diego Chargers during the first half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Lenny Ignelzi )

San Diego Chargers tight end Antonio Gates (85) runs upfield against the Cincinnati Bengals during the first half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

Cincinnati Bengals running back BenJarvus Green-Ellis runs upfield against the San Diego Chargers during the first half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Lenny Ignelzi )

San Diego Chargers defensive back Corey Lynch (41) runs upfield after grabbing an interception as Cincinnati Bengals wide receiver Marvin Jones, right, watches during the second half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers cornerback Quentin Jammer, center, jokes with defensive back Corey Lynch, right, free safety Eric Weddle, second from left, and other members of the defense after Lynch grabbed an interception and Jammer tipped the ball against the Cincinnati Bengals during the second half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers head coach Norv Turner reacts on the sidelines during the second half of an NFL football game against the Cincinnati Bengals, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

Cincinnati Bengals quarterback Andy Dalton, right, dives into the end zone for a touchdown against the San Diego Chargers during the second half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Ryan Mathews, center, leaps over two players against the Cincinnati Bengals defense during the second half of an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

Cincinnati Bengals wide receiver A.J. Green drops a pass during the second half of an NFL football game against the San Diego Chargers, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Lenny Ignelzi )

Cincinnati Bengals quarterback Andy Dalton, left, shakes hands with San Diego Chargers quarterback Philip Rivers (17) after an NFL football game, Sunday, Dec. 2, 2012, in San Diego. The Bengals won 20-13. (AP Photo/Denis Poroy)

Cincinnati Bengals quarterback Andy Dalton, left, and running back BenJarvus Green-Ellis leave the field after defeating the San Diego Chargers 20-13 Sunday, Dec. 2, 2012, in San Diego. Green-Ellis ran for 118 yards and Dalton ran for one touchdown and threw for another. (AP Photo/Lenny Ignelzi )

Cincinnati Bengals free safety Reggie Nelson, right, celebrates with cornerback Adam Jones (24) after making an interception during the fourth quarter of an NFL football game against the San Diego Chargers, Sunday, Dec. 2, 2012, in San Diego. The Bengals won 20-13. (AP Photo/Denis Poroy)

Cincinnati Bengals free safety Reggie Nelson, left, intercepts a pass in the end zone as outside linebacker Vontaze Burfict (55) celebrates during the fourth quarter of an NFL football game against the San Diego Chargers, Sunday, Dec. 2, 2012 in San Diego. The Bengals won 20-13. (AP Photo/Denis Poroy)

Cincinnati Bengals middle linebacker Rey Maualuga celebrates after the their 20-13 win over the San Diego Chargers in an NFL football game, Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Lenny Ignelzi )