Minnesota Vikings running back Adrian Peterson (28) celebrates with Vikings tight end Visanthe Shiancoe (81) after scoring a touchdown in the fourth quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010.(AP Photo/Andy King)

Buffalo Bills linebacker Paul Posluszny (51) sacks Minnesota Vikings quarterback Tarvaris Jackson (7) for a 10-yard loss during the first quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Buffalo Bills quarterback Ryan Fitzpatrick (14) carries the ball as Minnesota Vikings linebacker Chad Greenway (52) closes in on him during the first quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Minnesota Vikings quarterback Brett Favre (4) hands off the ball to running back Adrian Peterson during the first quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Minnesota Vikings quarterback Brett Favre (4) looks to hand off the ball during the first quarter of a football game against the Buffalo Bills in Minneapolis Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Buffalo Bills quarterback Ryan Fitzpatrick (14) carries the ball during the first quarter of a football game against the Minnesota Vikings in Minneapolis Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Minnesota Vikings quarterback Brett Favre (4) sits in the bench area after being hit during the first quarter of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Buffalo Bills linebacker Arthur Moats (52) hits Minnesota Vikings quarterback Brett Favre (4) during the first quarter of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Brett Favre (4) leaves the field after an injury in the first quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings quarterback Brett Favre (4) is watched by Minnesota Vikings offensive tackle Phil Loadholt (71) after an injury in the first quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings quarterback Brett Favre (4) leaves the field after an injury in the first quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings wide receiver Sidney Rice (18) catches 46 yard pass while defended by Buffalo Bills cornerback Leodis McKelvin (28) and safety Jairus Byrd (31) during the first half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Brett Favre (4) is hit by Buffalo Bills linebacker Arthur Moats (52) in the first quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings quarterback Brett Favre (4) attempts throwing on the sidelines after an injury in the first quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Buffalo Bills quarterback Ryan Fitzpatrick (14) drops back during the first quarter of an NFL football game against the Minnesota Vikings, on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings defensive end Jared Allen, right, sacks Buffalo Bills quarterback Ryan Fitzpatrick (14) during the first quarter of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Brett Favre (4) on the sidelines after an injury in the first quarter of an NFL football game against the Buffalo Bills in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Buffalo Bills cornerback Drayton Florence (29) scores on an interception of Minnesota Vikings quarterback Tarvaris Jackson (7) in the first quarter of an NFL football game in Minneapolis Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings wide receiver Sidney Rice, center, pulls in a touchdown pass between Buffalo Bills safety Donte Whitner (20) and Bills cornerback Leodis McKelvin, left, in the first quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings mascot Viktor the Viking during the National Anthem prior to an NFL football game between the Minnesota Vikings and the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Tarvaris Jackson (7) is sacked by Buffalo Bills linebacker Paul Posluszny (51) and Buffalo Bills linebacker Arthur Moats (52) during the first half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Buffalo Bills linebacker Arthur Moats (52) hits Minnesota Vikings quarterback Brett Favre (4) during the first half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Tarvaris Jackson (7) runs the ball during the first half of an NFL football game against the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings medical staff look at Minnesota Vikings quarterback Brett Favre (4) after a hit by Buffalo Bills linebacker Arthur Moats (52) during the first half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings cheerleader during the first half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Brett Favre watches from the sidelines during the second half of an NFL football game against the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. Favre was replaced after being injured in the first quarter. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Brett Favre (4) is hit by Buffalo Bills linebacker Arthur Moats (52) in the first quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Buffalo Bills cornerback Drayton Florence (29) is congratulated by Buffalo Bills safety Jairus Byrd (31) after scoring on an interception from Minnesota Vikings quarterback Tarvaris Jackson (7) in the first quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Andy King)

Minnesota Vikings cornerback Antoine Winfield (26) leaves behind Buffalo Bills wide receiver Lee Evans (83) while running for 41 yards after intercepting a pass from Bills quarterback Ryan Fitzpatrick intended for Bills wide receiver Steve Johnson during the second quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Minnesota Vikings running back Adrian Peterson (28) leaves behind Buffalo Bills defensive tackle Kyle Williams (95) on a 13-yard gain during the second quarter of an NFL football game in Minneapolis, Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Buffalo Bills wide receiver Donald Jones (19) reacts on the bench during the fourth quarter of an NFL football game against the Minnesota Vikings in Minneapolis, Sunday, Dec. 5, 2010. The Vikings defeated the Bills 38-14. (AP Photo/Ann Heisenfelt)

Buffalo Bills quarterback Ryan Fitzpatrick, left, fumbles the ball and Minnesota Vikings linebacker Ben Leber (not shown) recovers it during the fourth quarter of a football game in Minneapolis, Sunday, Dec. 5, 2010. The Vikings defeated the Bills 38-14. (AP Photo/Ann Heisenfelt)

Minnesota Vikings running back Adrian Peterson (28) hands a ball to a fan after scoring a touchdown on a 43-yard run during the second half of an NFL football game against the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. The Vikings won 38-14. (AP Photo/Hannah Foslien)

Buffalo Bills head coach Chan Gailey during the second half of an NFL football game against the Minnesota Vikings on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. (AP Photo/Hannah Foslien)

Minnesota Vikings quarterback Brett Favre (4) leaves the field following an NFL football game against the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. The Vikings won 38-14. (AP Photo/Hannah Foslien)

Minnesota Vikings interim head coach Leslie Frazier looks on during the third quarter of the NFL football game against the Buffalo Bills in Minneapolis Sunday, Dec. 5, 2010.(AP Photo/Andy King)

Minnesota Vikings quarterback Brett Favre (4) stands on the sidelines during the second half of an NFL football game against the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. (AP Photo/Hannah Foslien)

Buffalo Bills' Naaman Roosevelt (18) collides with Minnesota Vikings' Greg Camarillo (85) while trying to stop him on a punt-return during the second quarter of a football game in Minneapolis Sunday, Dec. 5, 2010. The Vikings defated the Bills 38-14. (AP Photo/Ann Heisenfelt)

Buffalo Bills quarterback Ryan Fitzpatrick (14) hands off the ball to running back Fred Jackson (22) during the second half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Buffalo Bills safety George Wilson (37) tackles Minnesota Vikings running back Albert Young (34) during the second half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. (AP Photo/Hannah Foslien)

Minnesota Vikings safety Madieu Williams (20) and cornerback Lito Sheppard (29) take down Buffalo Bills running back Fred Jackson (22) during the second half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. (AP Photo/Hannah Foslien)

Buffalo Bills quarterback Ryan Fitzpatrick (14) throws under pressure from the Minnesota Vikings in the third quarter of their NFL football game in Minneapolis Sunday, Dec. 5, 2010.(AP Photo/Andy King)

Minnesota Vikings quarterback Brett Favre (4) during the first half of an NFL football game against the Buffalo Bills on Sunday, Dec. 5, 2010, in Minneapolis. (AP Photo/Hannah Foslien)

Buffalo Bills wide receiver Lee Evans (83) carries the ball during the second half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. (AP Photo/Hannah Foslien)

Buffalo Bills quarterback Ryan Fitzpatrick (14) carries the ball during the first quarter of a football game against the Minnesota Vikings in Minneapolis Sunday, Dec. 5, 2010. (AP Photo/Ann Heisenfelt)

Minnesota Vikings running back Toby Gerhart (32) carries the ball as Buffalo Bills safety George Wilson (37) and linebacker Paul Posluszny (51) attempt to tackle Gerhart during the second half of an NFL football game on Sunday, Dec. 5, 2010, in Minneapolis. Vikings won 38-14. (AP Photo/Hannah Foslien)