San Francisco 49ers running back Frank Gore, right, carries the ball past Detroit Lions defensive back Drayton Florence, left, during the second quarter of an NFL football game in San Francisco, Sunday, Sept. 16, 2012. (AP Photo/Tony Avelar)
San Francisco 49ers tight end Vernon Davis practices at an NFL football training camp in Santa Clara, Calif., Thursday, Aug. 2, 2012. (AP Photo/Jeff Chiu)
Washington Redskins wide receiver Leonard Hankerson (85) carries the ball against the San Francisco 49ers at FedEx Field in Landover, Md. Sunday, November 6, 2011. (Rod Lamkey Jr. / The Washington Times)
New York Giants quarterback Eli Manning looks on during NFL football practice Friday, Jan. 20, 2012, in East Rutherford, N.J. The Giants travel to San Francisco to play the 49ers in the NFC championship game Sunday, Jan. 22. (AP Photo/Bill Kostroun)
Pittsburgh Steelers quarterback Ben Roethlisberger (7) gets sacked by San Francisco 49ers linebacker Aldon Smith (99) and Ray McDonald (not seen) in the fourth quarter of an NFL football game against the Pittsburgh Steelers in San Francisco, Monday, Dec. 19, 2011. (AP Photo/Marcio Jose Sanchez)
San Francisco 49ers running back Frank Gore (21) runs against the New York Giants in the first quarter of an NFL football game in San Francisco, Sunday, Nov. 13, 2011. (AP Photo/Marcio Jose Sanchez)
San Francisco 49ers running back Frank Gore (21) tries to break free from Washington Redskins inside linebacker London Fletcher while rushing the ball in the first half of an NFL football game in Landover, Md., Sunday, Nov. 6, 2011. (AP Photo/Pablo Martinez Monsivais)
Although they avoided a shutout, quarterback John Beck and the Redskins' offense continued to fall flat against the 49ers. (Rod Lamkey Jr. / The Washington Times)
Washington Redskins John Beck (12) leaves the field after a loss to the San Francisco 49ers at FedEx Field in Landover, Md. Sunday, November 6, 2011. (Andrew Harnik / The Washington Times)
Washington Redskins head coach Mike Shanahan motions to his players from the sidelines against the San Francisco 49ers during the fourth quarter. (Rod Lamkey Jr. / The Washington Times)
Washington Redskins Graham Gano (4) celebrates a 59-yard field goal kick against the San Francisco 49ers during the second quarter. (Rod Lamkey Jr. / The Washington Times)
Washington Redskins Jabar Gaffney (10) picks up 10 yards but it is called back for a personal foul during play against the San Francisco 49ers in the second quarter. (Andrew Harnik / The Washington Times)
Washington Redskins Reed Doughty (37) and DeAngelo Hall (23) tackle San Francisco 49ers Michael Crabtree (15) after he picks up 21 yards during the first quarter. (Andrew Harnik / The Washington Times)
Washington Redskins QB John Beck leaves the field after the 19-11 loss to the San Francisco 49ers at FedEx Field in Landover, Md. Sunday, November 6, 2011. (Andrew Harnik / The Washington Times)
Washington Redskins kicker Graham Gano reacts with teammate Sav Rocca after making a 59-yard field goal in the first half against the San Francisco 49ers in Landover, Md., Sunday, Nov. 6, 2011. (AP Photo/Cliff Owen)
Coach Mike Shanahan and offensive coordinator Kyle Shanahan will be faced with the tough task of jump starting a sputtering offense against a San Francisco 49ers defense that has given up the fewest points in the NFL. (Rod Lamkey Jr./The Washington Times)
San Francisco 49ers head coach Jim Harbaugh, who quarterbacked for 14 seasons, has his team off to the second best record in the NFC at 6-1. (AP Photo/Marcio Jose Sanchez)
San Francisco 49ers head coach Jim Harbaugh celebrates a win over the Detroit Lions after an NFL football game in Detroit, Sunday, Oct. 16, 2011. The 49ers won 25-19. (AP Photo/Carlos Osorio)