PITTSBURGH - DECEMBER 07: Deshea Townsend #26 of the Pittsburgh Steelers celebrates a 20-13 victory over the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Townsend intercepted a Tony Romo pass late in the fourth quarter and returned it for the winning touchdown. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tony Romo #9 of the Dallas Cowboys tries to avoid a fourth quarter sack from LaMarr Woodley #56 of the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Santonio Holmes #10 of the Pittsburgh Steelers catches a first quarter pass while in front of Terence Newman #41 of the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Pittsburgh Steelers players try to stay warm during a stop in play while playing the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Ben Roethlisberger #7 of the Pittsburgh Steelers throws a first quarter pass while being hit by Stephen Bowen #72 of the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Mewelde Moore #21 of the Pittsburgh Steelers jumps through a hole during a second quarter run against the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Ben Roethlisberger #7 of the Pittsburgh Steelers tries to break the tackle of Bradie James #56 of the Dallas Cowboys with Greg Ellis chasing on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Heath Miller #83 of the Pittsburgh Steelers fumbles the ball while being tackled by Bradie James #56 of the Dallas Cowboys during the first quarter on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tony Romo #9 of the Dallas Cowboys is hit by James Harrison #92 of the Pittsburgh Steelers during the second quarter on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Jason Witten #82 of the Dallas Cowboys dives for a first quarter first down in front of James Harrison #92 of the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Willie Parker #39 of the Pittsburgh Steelers tries to out run the tackle of DeMarcus Ware #94 of the Dallas Cowboys during the second quarter on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tashard Choice #23 of the Dallas Cowboys is tackled for a loss by Troy Polamalu #43 of the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tashard Choice #23 of the Dallas Cowboys looks for extra yards during a third quarter run while playing the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Hines Ward #86 of the Pittsburgh Steelers runs for extra yards after a second quarter catch while playing the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Head coach Mike Tomlin of the Pittsburgh Steelers looks on during the second quarter while playing the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Willie Parker #39 of the Pittsburgh Steelers looks for room during a second quarter run while playing the Dallas Cowboys with Greg Ellis chasing on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Willie Parker #39 of the Pittsburgh Steelers looks for room during a second quarter run while playing the Dallas Cowboys with Greg Ellis chasing on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Andre Frazier #54 of the Pittsburgh Steelers has words with Terence Newman #41 of the Dallas Cowboys during the second quarter on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Ben Roethlisberger #7 of the Pittsburgh Steelers throws a first quarter pass while playing the Dallas Cowboys with Greg Ellis chasing on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Head coach Wade Phillips of the Dallas Cowboys shakes hands after loosing 20-13 with head coach Mike Tomlin of the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Heath Miller #83 of the Pittsburgh Steelers carries Ken Hamlin #26 of the Dallas Cowboys on his back in for a fourth quarter touchdown on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tom Congdon, a Pittsburgh Steelers vender, entertains the crowd by dumping ice water over himself in fifteen degree weather while the Steelers played the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Head coach Mike Tomlin and Deshea Townsend #26 of the Pittsburgh Steelers celebrate a 20-13 victory over the Dallas Cowboys while leaving the field on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Townsend intercepted a Tony Romo pass late in the fourth quarter and returned it for the winning touchdown. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Deshea Townsend #26 of the Pittsburgh Steelers celebrates after returning a fourth quarter interception for the go ahead touchdown with LaMarr Woodley #56 and Ike Taylor #24 while playing the Dallas Cowboys on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tony Romo #9 of the Dallas Cowboys throws a third quarter pass to Terrell Owens #81 while playing the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Bradie James #56 of the Dallas Cowboys tackles Gary Russell #33 of the Pittsburgh Steelers behind the line of scrimmage during a fourth down run on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Terrell Owens #81 of the Dallas Cowboys antagonizes the crowd during a stop in play while playing the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)

PITTSBURGH - DECEMBER 07: Tony Romo #9 of the Dallas Cowboys throws a fourth quarter pass while playing the Pittsburgh Steelers on December 7, 2008 at Heinz Field in Pittsburgh, Pennsylvania. Pittsburgh won the game 20-13. (Photo by Gregory Shamus/Getty Images)