Minnesota Vikings running back Adrian Peterson (28) rushes for a gain as Houston Texans' Connor Barwin (98) pursues during the third quarter of an NFL football game Sunday, Dec. 23, 2012, in Houston. (AP Photo/Patric Schneider)
Minnesota Vikings running back Adrian Peterson (28) rushes for a gain as Houston Texans' Connor Barwin (98) pursues during the third quarter of an NFL football game Sunday, Dec. 23, 2012, in Houston. (AP Photo/Patric Schneider)
Minnesota Vikings running back Adrian Peterson (28) rushes for a gain as Houston Texans' Connor Barwin (98) pursues during the third quarter of an NFL football game Sunday, Dec. 23, 2012, in Houston. (AP Photo/Patric Schneider)
Houston Texans linebacker Whitney Mercilus (59) celebrates after sacking Baltimore Ravens quarterback Joe Flacco (5) during the first quarter of an NFL football game on Sunday, Oct. 21, 2012, in Houston. (AP Photo/Patric Schneider)
Houston Texans linebacker Whitney Mercilus (59) celebrates after sacking Baltimore Ravens quarterback Joe Flacco (5) during the first quarter of an NFL football game on Sunday, Oct. 21, 2012, in Houston. (AP Photo/Patric Schneider)
