Minnesota Vikings quarterback Christian Ponder warms up before the Lions' NFL football game against the Detroit Lions at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Carlos Osorio)

Minnesota Vikings running back Adrian Peterson scores on a 4-yard touchdown reception during the third quarter of an NFL football game against the Detroit Lions at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/\042011000002)

Detroit Lions running back Reggie Bush (21) outruns Minnesota Vikings defensive end Jared Allen (69) during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Detroit Lions running back Joique Bell (35) jumps into the stands after his touchdown during the third quarter of an NFL football game against the Minnesota Vikings at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Detroit Lions defensive tackle Nick Fairley (98) is congratulated by teammates cornerback Bill Bentley, left, and defensive end Ezekiel Ansah (94) after his sack of Minnesota Vikings quarterback Christian Ponder during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Detroit Lions running back Reggie Bush (21) throws the ball into the stands after scoring during the third quarter of an NFL football game against the Minnesota Vikings at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Minnesota Vikings running back Adrian Peterson (28) is stopped by Detroit Lions defensive end Ezekiel Ansah (94) during the second quarter of an NFL football game against the Minnesota Vikings at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Duane Burleson)

Minnesota Vikings quarterback Christian Ponder (7) is pressured by Detroit Lions defensive tackle Ndamukong Suh during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Duane Burleson)

Minnesota Vikings running back Adrian Peterson (28), defended by Detroit Lions free safety Louis Delmas (26), runs into the end zone for a 4-yard touchdown during the second quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Duane Burleson)

Detroit Lions wide receiver Calvin Johnson (81) makes a reception between the defense of Minnesota Vikings free safety Harrison Smith (22) and outside linebacker Chad Greenway (52) during the second quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Minnesota Vikings quarterback Christian Ponder (7) hands off the ball to running back Adrian Peterson (28) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Duane Burleson)

Detroit Lions tight end Joseph Fauria (80) jumps over Minnesota Vikings free safety Harrison Smith (22) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Detroit Lions quarterback Matthew Staffordthrows during the first quarter of an NFL football game against the Minnesota Vikings in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Carlos Osorio)