Minnesota Vikings linebacker Heath Farwell, top, intercepts a pass intended for Washington Redskins wide receiver Santana Moss (89) during the second half of an NFL football game in Landover, Md., Sunday, Nov. 28, 2010. (AP Photo/Pablo Martinez Monsivias)
Minnesota Vikings quarterback Brett Favre (4) celebrates running back Toby Gerhart's touchdown during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Nov. 28, 2010. (AP Photo/Pablo Martinez Monsivias)
Minnesota Vikings quarterback Brett Favre, left, hands off the ball to running back Toby Gerhart during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Nov. 28, 2010. (AP Photo/Pablo Martinez Monsivais)
Minnesota Vikings quarterback Brett Favre (4) is sacked by Washington Redskins linebacker Andre Carter during the second half of an NFL football game in Landover, Md., Sunday, Nov. 28, 2010. (AP Photo/Pablo Martinez Monsivias)
Minnesota Vikings quarterback Brett Favre scrambles with the ball during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Nov. 28, 2010. The Vikings defeated the Redskins 17-13. (AP Photo/Evan Vucci)
Minnesota Vikings quarterback Brett Favre (4) celebrates with wide receiver Hank Baskett, right, after scrambling for a first down during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Nov. 28, 2010. The Vikings won 17-13. (AP Photo/Evan Vucci)
**FILE** Washington Redskins linebacker Rocky McIntosh (52) reaches for Minnesota Vikings quarterback Brett Favre after Farve hit the turf after a short carry during the second half of the Vikings' 17-13 victory in Landover, Md., on Nov. 28, 2010. (Associated Press)
Safety Madieu Williams, shown with the Minnesota Vikings in 2010, breaks up a pass intended for Washington Redskins wide receiver Anthony Armstrong. Williams agreed to a one-year deal with the Redskins on Monday. (AP Photo/Evan Vucci)
Minnesota Vikings running back Adrian Peterson (28) scores a touchdown as Washington Redskins safety Reed Doughty hangs on during the first half of an NFL football game in Landover, Md., Sunday, Nov. 28, 2010. (AP Photo/Pablo Martinez Monsivias)
