Arizona Cardinals' Nick Eason (98) and Darnell Dockett try to get the fans cheering loud during the first quarter in an NFL football game against the San Francisco 49ers, Sunday, Dec. 11, 2011, Glendale, Ariz.(AP Photo/Ross D. Franklin)

Arizona Cardinals' Richard Marshall (31) tackles San Francisco 49ers' Bruce Miller during the first quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ross D. Franklin)

Arizona Cardinals' O'Brien Schofield (50) celebrates a tackle against the San Francisco 49ers during the first quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ross D. Franklin)

Arizona Cardinals' Kevin Kolb walks off the field after being knocked to the ground by San Francisco 49ers' Justin Smith during the first quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' Kevin Kolb (4) gets hit by San Francisco 49ers' Justin Smith, as Cardinals' Arizona Cardinals' Daryn Colledge, left, is unable to contain Smith during the first quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' Calais Campbell (93) sacks San Francisco 49ers' Alex Smith during the first quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' Kevin Kolb (4) walks off the field after an injury during the first quarter in an NFL football game against the San Francisco 49ers, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' John Skelton (19) tries to find running room as San Francisco 49ers' Aldon Smith (99) and Dashon Goldson (38) close in for the tackle during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' John Skelton, bottom, fumbles the ball after being hit by San Francisco 49ers' Dashon Goldson, top, during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' Early Doucet (85) looks for running room on his way to a touchdown as he gets past San Francisco 49ers' Donte Whitner (31) during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

San Francisco 49ers' Dashon Goldson (38) returns the ball after an interception against the Arizona Cardinals, during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ralph Freso)

San Francisco 49ers' Ray McDonald (91) recovers a fumble the Arizona Cardinals' John Skelton as teammate Dashon Goldson (38) looks on during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' John Skelton (19) celebrates a Cardinals touchdown against the San Francisco 49ers with teammate Calais Campbell during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

San Francisco 49ers' Michael Crabtree (15) makes a catch in front of Arizona Cardinals' Patrick Peterson during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ralph Freso)

Arizona Cardinals' DeMarco Sampson (89) tries to make a catch on a ball as San Francisco 49ers' Carlos Rogers (22) closes in during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The ball was incomplete.(AP Photo/Paul Connors)

San Francisco 49ers head coach Jim Harbaugh grimaces after his offense fails to move the ball as Alex Smith (11) and Ted Ginn (19) come off the field during the second quarter in an NFL football game against the Arizona Cardinals, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ralph Freso)

Arizona Cardinals' Andre Roberts (12) gets the ball flipped out of his hands by San Francisco 49ers' Donte Whitner (31) as 49ers' Chris Culliver closes in in the background during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

Arizona Cardinals' Early Doucet (85) scores a touchdown as San Francisco 49ers' Parys Haralson (98) arrives late during the second quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Paul Connors)

San Francisco 49ers' Frank Gore (21) breaks a tackle on Arizona Cardinals' Daryl Washington (58) on his was to a touchdown during the third quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ralph Freso)

Arizona Cardinals' John Skelton (19) gets tackled by San Francisco 49ers' Aldon Smith (99) during the third quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz.(AP Photo/Ralph Freso)

Arizona Cardinals defensive end Calais Campbell (93) celebrates after batting down a pass by San Francisco 49ers quarterback Alex Smith in the fourth quarter of an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. (AP Photo/Paul Connors)

San Francisco 49ers' Alex Smith, right, runs to try to elude Arizona Cardinals' Clark Haggans (53) on the final offensive play of the game for the 49ers during the fourth quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Ross D. Franklin)

Arizona Cardinals runningback Beanie Wells, center, is tackled by San Francisco 49ers linebackrer Ahmad Brooks, bottom, and Parys Haralson, top, in the fourth quarter of an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. (AP Photo/Paul Connors)

Arizona Cardinals' Calais Campbell (93) and Patrick Peterson (21_ celebrate the final offensive play for the San Francisco 49ers during the fourth quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Ross D. Franklin)

Arizona Cardinals coach Ken Whisenhunt, right, shakes hand with San Francisco 49ers coach Jim Harbaugh, left, following an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. The Cardinals won 21-19. (AP Photo/Paul Connors)

Arizona Cardinals' Andre Roberts, right, dives into the end zone for a touchdown as San Francisco 49ers' Ahmad Brooks, middle, and Carlos Rogers (22) arrive late to make the tackle during the fourth quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Paul Connors)

San Francisco 49ers cornerback Tarell Brown, top, is tackled by Arizona Cardinals wide receiver Andre Roberts, bottom, after Brown intercepted a pass in the fourth an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. The Cardinals won 21-19. (AP Photo/Paul Connors)

Arizona Cardinals' Larry Fitzgerald (11) leaves the San Francisco 49ers defense behind as he runs for a touchdown with only teammate LaRod Stephens-Howling (36) close to him during the third quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Ralph Freso)

Andre Roberts (12) celebrates his touchdown with teammates Early Doucet (85) and Jeremy Bridges (73) as Cardinals quarterback John Skelton (19) shouts, while San Francisco 49ers' Ahmad Brooks (55) sits on the ground during the fourth quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Paul Connors)

San Francisco 49ers quarterback Alex Smith (11) is sacked by Arizona Cardianls linebacker Clark Haggans (53) and Sam Acho (94) in the fourth quarter of an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. The Cardinals won 21-19. (AP Photo/Paul Connors)

Arizona Cardinals' John Skelton (19) throws against the San Francisco 49ers during the third quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Ralph Freso)

Arizona Cardinals wide receiver Larry Fitzgerald, left, sprints for the end zone to score a touchdown as San Francisco 49ers safety Dashon Goldson, right, gives chase an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. The Cardinals won 21-19. (AP Photo/Paul Connors)

Arizona Cardinals' Andre Roberts (12) and Early Doucet (85) celebrates Roberts' touchdown against the San Francisco 49ers during the fourth quarter in an NFL football game, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Ralph Freso)

San Francisco 49ers head coach Jim Harbaugh, right, talks with Alex Smith (11) during the fourth quarter in an NFL football game against the Arizona Cardinals, Sunday, Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.(AP Photo/Ralph Freso)

Arizona Cardinals wide receiver Larry Fitzgerald, left, is run down by San Francisco 49ers linebacker NaVorro Bowman, right, following a reception by Fitzgerald in the fourth quarter of an NFL football game Sunday, Dec. 11, 2011 in Glendale, Ariz. The Cardinals won 21-19. (AP Photo/Paul Connors)