Washington Redskins quarterback Robert Griffin III runs with the ball during the first half of an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III greets fans as he arrives on the field before an NFL football game against the Minnesota Vikings Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III throws during warm ups before an NFL football game against the Minnesota Vikings Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Cliff Owen)

Minnesota Vikings quarterback Christian Ponder throws during warm ups before an NFL football game against the Washington Redskins Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Minnesota Vikings quarterback Christian Ponder scrambles during the first half of an NFL football game against the Washington Redskins, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Alex Brandon)

Washington Redskins quarterback Robert Griffin III (10) turns with the ball during the first half of an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins free safety Madieu Williams (41), cornerback DeAngelo Hall (23), and linebacker Rob Jackson (50), combine to bring down Minnesota Vikings running back Adrian Peterson (28) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Cliff Owen)

Minnesota Vikings running back Adrian Peterson (28) tries to avoid the hit from Washington Redskins free safety Madieu Williams (41) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Minnesota Vikings running back Adrian Peterson (28) is hit by Washington Redskins linebacker Perry Riley (56) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins kicker Kai Forbath (2) makes a field goal as punter Sav Rocca (6) holds with Minnesota Vikings safety Jamarca Sanford, left, during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Minnesota Vikings safety Harrison Smith (22) tackles Washington Redskins wide receiver Santana Moss (89) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins running back Alfred Morris (46) reacts after his touchdown with fullback Darrel Young (36), and tight end Fred Davis (83) during the first half of an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins wide receiver Brandon Banks (16) is pushed out of bounds by Minnesota Vikings cornerback Antoine Winfield (26) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Cliff Owen)

Washington Redskins quarterback Robert Griffin III (10) gets away from Minnesota Vikings defensive end Everson Griffen (97) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins defensive back Jordan Pugh (32) puts pressure on Minnesota Vikings quarterback Christian Ponder (7) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III, right, sits with offensive coordinator Kyle Shanahan during the first half of an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins defensive end Stephen Bowen (72) and linebacker Lorenzo Alexander (97) combine to sack Minnesota Vikings quarterback Christian Ponder (7) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins fullback Darrel Young (36) runs for a touchdown as he gets away from Minnesota Vikings safety Harrison Smith (22) during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III (10) runs away from Minnesota Vikings safety Jamarca Sanford (33) for a 76-yard touchdown during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) gets away from Minnesota Vikings safety Harrison Smith (22) to score a touchdown during the first half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III (10) celebrates with fans after running away from Minnesota Vikings safety Jamarca Sanford (33) for a 76-yard touchdown during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) celebrates with the fans after a 76-yard touchdown run during the second half of an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10), celebrates with tackle Trent Williams (71), and tight end Fred Davis (83), after Griffin's touchdown during the second half of an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) reacts after running during the second half of an NFL football game against the Minnesota Vikings Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Minnesota Vikings head coach Leslie Frazier is greeted at midfield by Washington Redskins head coach Mike Shanahan after an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Richard Lipski)

Washington Redskins linebacker Perry Riley (56), defensive back Jordan Pugh (32), and others, surround Minnesota Vikings running back Adrian Peterson (28) during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) greets Minnesota Vikings quarterback Christian Ponder (7) after an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) reacts after an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) pulls tape off his chin after an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) tosses a game ball to a team employee after an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) is sacked by Minnesota Vikings defensive end Jared Allen (69) as he is blocked by tight end Logan Paulsen (82) during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Cliff Owen)

Minnesota Vikings tight end Kyle Rudolph (82) has his pass broken up by Washington Redskins linebackers Perry Riley (56) and London Fletcher (59) during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Minnesota Vikings tight end Kyle Rudolph (82) catches a pass for the two-point conversion, over Washington Redskins linebacker London Fletcher (59), during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Minnesota Vikings' Michael Jenkins (84) dives for a touchdown as he is hit by Washington Redskins safety Reed Doughty (37) during the second half of an NFL football game, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III (10) tosses a game ball to a team employee after an NFL football game against the Minnesota Vikings, Sunday, Oct. 14, 2012, in Landover, Md. The Redskins won 38-26. (AP Photo/Pablo Martinez Monsivais)