San Francisco 49ers wide receiver Michael Crabtree (15) celebrates in front of Oakland Raiders cornerback Chris Johnson (37) after catching a 32-yard touchdown pass in the third quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

San Francisco 49ers running back Frank Gore (21) runs against the Oakland Raiders in an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders running back Michael Bush (29) runs against San Francisco 49ers defensive tackle Isaac Sopoaga (90) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders wide receiver Darrius Heyward-Bey (85) catches a pass against San Francisco 49ers cornerback Shawntae Spencer (36) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders quarterback Jason Campbell (8) runs against the San Francisco 49ers in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders wide receiver Louis Murphy (18) fumbles the ball, which he later recovered, after being hit by San Francisco 49ers safety Taylor Mays (23) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders defensive backs before an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Alex Smith (11) passes against the Oakland Raiders in the first half of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders head coach Tom Cable, center, talks with officials in the first quarter of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers head coach Mike Singletary reacts on the sideline in the first quarter of an NFL football game against the Oakland Raiders in the rain in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

San Francisco 49ers running back Frank Gore (21) runs past Oakland Raiders cornerback Stanford Routt, bottom, safety Tyvon Branch, center, and safety Michael Huff (24) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Alex Smith (11) is sacked by Oakland Raiders defensive end Matt Shaughnessy (77) in the second quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders running back Michael Bush (29) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders running back Michael Bush (29) during the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders quarterback Jason Campbell (8) during the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

Oakland Raiders running back Michael Bush (29) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders quarterback Jason Campbell (8) passes against the San Francisco 49ers in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders running back Michael Bush (29) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cornerback Nate Clements (22) and safety Taylor Mays (23) tackle Oakland Raiders wide receiver Louis Murphy (18) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders quarterback Jason Campbell (8) in action during the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cornerback Nate Clements (22) wraps up Oakland Raiders wide receiver Louis Murphy (18) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers before an NFL football game between the Oakland Raiders and the San Francisco 49ers in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cheerleaders prepare for an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree catches a 32-yard touchdown pass against the Oakland Raiders in the third quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders cornerback Nnamdi Asomugha (21) tries to intercept a pass, which he did not, against the San Francisco 49ers in the second quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

San Francisco 49ers defensive tackle Justin Smith (94) tackles Oakland Raiders running back Michael Bush (29) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Cheerleaders perform in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders quarterback Jason Campbell (8) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) eludes the defense of Oakland Raiders cornerback Stanford Routt (26), safety Tyvon Branch (33) and Michael Huff (24) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers defensive tackle Isaac Sopoaga (90) tracks down Oakland Raiders running back Rock Cartwright (25) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders wide receiver Nick Miller (89) in the first quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders quarterback Jason Campbell (8) is sacked by San Francisco 49ers linebacker Parys Haralson (98) in the third quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree (15) celebrates with tight end Vernon Davis (85) after making a 32-yard touchdown catch against the Oakland Raiders in the third quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

San Francisco 49ers running back Frank Gore (21) runs against the Oakland Raiders in the fourth quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker Takeo Spikes (51) returns an interception over Oakland Raiders tight end Zach Miller (80) in the fourth quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Ted Ginn Jr. (19) runs in front of Oakland Raiders cornerback Chris Johnson (37) in the third quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers tight end Vernon Davis (85) scores on a 17-yard touchdown pass against Oakland Raiders safeties Tyvon Branch, rear, and Hiram Eugene (31) in the fourth quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

San Francisco 49ers head coach Mike Singletary gives a thumbs-up after defeating the Oakland Raiders 17-9 in an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Paul Sakuma)

San Francisco 49ers quarterback Alex Smith (11) passes while pressured by Oakland Raiders defensive end Matt Shaughnessy (77) and defensive end Lamarr Houston (99) in the third quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker Manny Lawson (99) celebrates with safety Dashon Goldson (38) after intercepting a pass by Oakland Raiders quarterback Jason Campbell in the second quarter of an NFL football game in San Francisco, Sunday, Oct. 17, 2010. The 49ers won 17-9. (AP Photo/Paul Sakuma)