San Diego Chargers running back Ryan Mathews (24) runs into the line as tight end Randy McMichael (81) blocks Pittsburgh Steelers outside linebacker Jason Worilds (93) in the first quarter of an NFL football game on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

San Diego Chargers quarterback Philip Rivers (17) passes in the first quarter of an NFL football game against the Pittsburgh Steelers on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) loses the ball as he passes under pressure by San Diego Chargers outside linebacker Jarret Johnson (96) and defensive end Kendall Reyes (91) in the first quarter of an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

San Diego Chargers wide receiver Danario Alexander (84) leaps for the end zone to score a touchdown past Pittsburgh Steelers free safety Ryan Clark (25) after making a catch in the second quarter of an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) tpasses as he is pressured by San Diego Chargers outside linebacker Melvin Ingram (54) in the second quarter of an NFL football game on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

Pittsburgh Steelers wide receiver Mike Wallace (17) makes a touchdown catch past San Diego Chargers cornerback Quentin Jammer (23) in the third quarter of an NFL football game on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

San Diego Chargers wide receiver Malcom Floyd (80) catches the ball for a touchdown in front of Pittsburgh Steelers cornerback Keenan Lewis (23) in the third quarter of an NFL football game on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) is sacked by San Diego Chargers cornerback Marcus Gilchrist (38) in the second quarter an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers strong safety Troy Polamalu (43) tries to intercept a pass intended for San Diego Chargers wide receiver Danario Alexander (84) in the second quarter an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. Polamalu did not get the ball. (AP Photo/Gene J. Puskar)

December 9, 2012; Pittsburgh, PA, USA; Pittsburgh Steelers wide receiver Mike Wallace (17) makes a forty yard pass reception for a touchdown against San Diego Chargers cornerback Quentin Jammer (23) during the third quarter at Heinz Field. The San Diego Chargers won 34-24. Charles LeClaire-US Presswire

December 9, 2012; Pittsburgh, PA, USA; San Diego Chargers wide receiver Danario Alexander (84) reaches for a pass as Pittsburgh Steelers strong safety Troy Polamalu (43) defends the play during the second quarter at Heinz Field. Charles LeClaire-US Presswire

December 9, 2012; Pittsburgh, PA, USA; San Diego Chargers running back Ryan Mathews (24) rushes the ball against Pittsburgh Steelers outside linebacker James Harrison (92) during the third quarter at Heinz Field. The San Diego Chargers won 34-24. Charles LeClaire-US Presswire

Dec 9, 2012; Pittsburgh, PA, USA; Pittsburgh Steelers wide receiver Plaxico Burress (80) misses a pass under pressure from San Diego Chargers cornerback Antoine Cason (20) and safety Eric Weddle (32) during the second half of the game at Heinz Field. The Chargers won the game, 34-24. Jason Bridge-USA TODAY Sports

December 9, 2012; Pittsburgh, PA, USA; Pittsburgh Steelers wide receiver Mike Wallace (17) makes a forty yard pass reception for a touchdown against San Diego Chargers cornerback Quentin Jammer (23) during the third quarter at Heinz Field. The San Diego Chargers won 34-24. Charles LeClaire-USA TODAY Sports

December 9, 2012; Pittsburgh, PA, USA; San Diego Chargers running back Ryan Mathews (24) rushes the ball against Pittsburgh Steelers outside linebacker James Harrison (92) during the third quarter at Heinz Field. The San Diego Chargers won 34-24. Charles LeClaire-USA TODAY Sports

San Diego Chargers wide receiver Danario Alexander (84) goes up to make a touchdown catch in front of Pittsburgh Steelers defensive back Josh Victorian in the fourth quarter of an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers head coach Mike Tomlin, right, talks with San Diego Chargers head coach Norv Turner after the Charger's 34-24 win in an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) talks with San Diego Chargers quarterback Philip Rivers (17) after a 34-24 Chargers win in an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

San Diego Chargers quarterback Philip Rivers (17), right, and wide receiver Danario Alexander (84) celebrate after Alexander made a catch of a Rivers pass for a touchdown in the fourth quarter of an NFL football game against the Pittsburgh Steelerson Sunday, Dec. 9, 2012, in Pittsburgh. The Chargers won 34-24. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers tight end Heath Miller (83) stretches for the end zone after being tackled by San Diego Chargers free safety Eric Weddle (32) in the fourth quarter ofan NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. Miller did not score on the play and the call was confirmed by replay(AP Photo/Gene J. Puskar)

San Diego Chargers running back Ronnie Brown (30) evades Pittsburgh Steelers defensive end Brett Keisel (99) on a run in the third quarter of an NFL football game, Sunday, Dec. 9, 2012, in Pittsburgh. The Chargers won 34-24. (AP Photo/Don Wright)

San Diego Chargers head coach Norv Turner, left. talks with quarterback Philip Rivers (17) in the third quarter of an NFL football game against the Pittsburgh Steelers on Sunday, Dec. 9, 2012, in Pittsburgh. The Chargers won 34-24. (AP Photo/Don Wright)