San Francisco 49ers wide receiver Kyle Williams, top, celebrates after scoring on an eight-yard touchdown reception with offensive tackle Anthony Davis (76) and offensive tackle Adam Snyder (68) in the third quarter of an NFL football game against the Arizona Cardinals in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers tight end Vernon Davis (85) runs with a catch as Arizona Cardinals cornerback Patrick Peterson (21) reaches in the first quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) runs against Arizona Cardinals strong safety Adrian Wilson (24) in the second quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers head coach Jim Harbaugh celebrates with tight end Vernon Davis (85) after Davis scored on an 18-yard touchdown reception against the Arizona Cardinals in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers tight end Vernon Davis, left, catches an 18-yard touchdown pass from quarterback Alex Smith in front of Arizona Cardinals free safety Rashad Johnson in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers head coach Jim Harbaugh gestures from the sideline in the third quarter of an NFL football game against the Arizona Cardinals in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Alex Smith (11) passes as Arizona Cardinals defensive tackle David Carter (79) applies pressure in the second quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Kyle Williams (10) jumps as Arizona Cardinals linebacker O'Brien Schofield (50) reaches to tackle him in the second quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

Arizona Cardinals quarterback John Skelton (19) passes against the San Francisco 49ers in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Alex Smith (11) is tackled by Arizona Cardinals defensive end Calais Campbell (93) and inside linebacker Stewart Bradley (52) in the fourth quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers safety Dashon Goldson (38) celebrates after intercepting Arizona Cardinals quarterback John Skelton in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

Arizona Cardinals strong safety Adrian Wilson (24) sits on the bench in the fourth quarter of an NFL football game against the San Francisco 49ers in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers place kicker David Akers (2) kicks a 22-yard field goal from the hold of punter Andy Lee (4) in the first quarter of an NFL football game against the Arizona Cardinals in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree (15) runs against Arizona Cardinals cornerback Patrick Peterson (21) in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

Arizona Cardinals quarterback Richard Bartel (2) and wide receiver Larry Fitzgerald (11) celebrate after connecting on a 23-yard touchdown in the fourth quarter of an NFL football game against the San Francisco 49ers in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers quarterback Alex Smith (11) scrambles as Arizona Cardinals defensive end Darnell Dockett (90) reaches for him in the fourth quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers running back Frank Gore (21) runs against Arizona Cardinals strong safety Adrian Wilson (24) in the second quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

Arizona Cardinals cornerback Patrick Peterson (21) is tackled by a group of San Francisco 49ers defenders while returning a punt in the fourth quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Kyle Williams (10) scores on an 8-yard touchdown reception as Arizona Cardinals cornerback Richard Marshall (31) tries to tackle him in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. The 49ers won 23-7. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker Patrick Willis (52) walks off the field after an NFL football game against the Arizona Cardinals in San Francisco, Calif., Sunday, Nov. 20, 2011. The 49ers won 23-7. (AP Photo/Marcio Jose Sanchez)

Arizona Cardinals head coach Ken Whisenhunt, left, shakes hands with San Francisco 49ers head coach Jim Harbaugh after an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. The 49ers won 23-7. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Alex Smith (11) and tight end Delanie Walker (46) walk off the field after an NFL football game against the Arizona Cardinals in San Francisco, Calif., Sunday, Nov. 20, 2011. The 49ers won 23-7. (AP Photo/Marcio Jose Sanchez)

Arizona Cardinals quarterback Richard Bartel (2) is sacked by San Francisco 49ers linebacker Aldon Smith (99) in the fourth quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. The 49ers won 23-7. (AP Photo/Marcio Jose Sanchez)

November 20, 2011; San Francisco, CA, USA; Arizona Cardinals wide receiver Larry Fitzgerald (11) catches a touchdown pass between San Francisco 49ers cornerback Carlos Rogers (22) and defensive back Reggie Smith (30) in the fourth quarter at Candlestick Park. The 49ers defeated the Cardinals 23-7. Mandatory Credit: Cary Edmondson-US PRESSWIRE

San Francisco 49ers head coach Jim Harbaugh celebrates with tight end Vernon Davis (85) after Davis scored on an 18-yard touchdown reception against the Arizona Cardinals in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) runs as Arizona Cardinals cornerback Patrick Peterson (21) tries to tackle him in the second quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Ben Margot)

San Francisco 49ers wide receiver Kyle Williams (10) runs against the Arizona Cardinals in the third quarter of an NFL football game in San Francisco, Calif., Sunday, Nov. 20, 2011. (AP Photo/Marcio Jose Sanchez)

November 20, 2011; San Francisco, CA, USA; A cheerleader from the San Francisco 49ers team performs in the fourth quarter against the Arizona Cardinals at Candlestick Park. The 49ers defeated the Arizona Cardinals 23-7. Mandatory Credit: Cary Edmondson-US PRESSWIRE