San Francisco 49ers wide receiver Michael Crabtree (15) is tackled by Houston Texans' Jacques Reeves (35) and Bernard Pollard (31) during the third quarter of a NFL football Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers running back Frank Gore (21) is tackled for a loss by Houston Texans defensive end Mario Williams (90) during the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Houston Texans running back Steve Slaton (20) dives into the end zone for a touchdown against the San Francisco 49ers in the first quarter of an NFL football game Sunday, Oct. 25, 2009, in Houston. (AP Photo/Dave Einsel)

Houston Texans tight end Owen Daniels (81) misses the ball under pressure from San Francisco 49ers' Patrick Willis in the first quarter of an NFL football game Sunday, Oct. 25, 2009, in Houston. (AP Photo/Dave Einsel)

San Francisco 49ers coach Mike Singletary yells towards an official during the second quarter of a NFL football game against the Houston Texans Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

San Francisco 49ers quarterback Shaun Hill (13) is sacked by Houston Texans defensive tackle Jeff Zgonina (92) in the first quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Houston Texans tight end Owen Daniels (81) fumbles the ball as he crosses the goal line as San Francisco 49ers cornerback Shawntae Spencer (36) defends during the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. Daniels recovered his fumble for a touchdown. (AP Photo/David J. Phillip)

Houston Texans tight end Owen Daniels (81) fumbles the ball as he crosses the goal line as San Francisco 49ers cornerback Shawntae Spencer (36) defends during the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. Daniels recovered his fumble for a touchdown. (AP Photo/David J. Phillip)

San Francisco 49ers quarterback Shaun Hill (13) tosse the ball away under pressure from Houston Texans defensive end Antonio Smith (94) in the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

San Francisco 49ers tight end Vernon Davis (85) celebrates his touchdown with teammate Eric Heitmann (66) during the fourth quarter of a NFL football game against the Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers wide receiver Michael Crabtree walks off the field after a NFL football game against the Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans quarterback Matt Schaub (8) throws a pass as San Francisco 49ers defensive end Justin Smith (94) pressures him during the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

Houston Texans quarterback Matt Schaub (8) is brought down with a hit to his knee by San Francisco 49ers cornerback Marcus Hudson (23) in the first quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Houston Texans tight end Owen Daniels (81) recovers his fumble for a touchdown as San Francisco 49ers safety Dashon Goldson (38) dives in during the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Former President George W. Bush before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Fans before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

Houston Texans cheerleaders before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

Houston Texans cheerleaders before the NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Pat Sullivan)

Houston Texans cheerleaders before the NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Pat Sullivan)

Houston Texans cheerleaders before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

Houston Texans tight end Owen Daniels (81) and San Francisco 49ers cornerback Marcus Hudson (23) in the first quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Former Presidents George H. W. Bush, right, and George W. Bush take the field before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Former Presidents George H. W. Bush, left, and George W. Bush watch warm-ups before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Pat Sullivan)

Former President George W. Bush poses with military personnel before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

Houston Texans cheerleaders before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

San Francisco 49ers quarterback Alex Smith (11) walks off the field after throwing an interception during the closing seconds of the fourth quarter of a NFL football against the Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers quarterback Alex Smith (11) looks to pass as Houston Texans defensive tackle Shaun Cody (95) tries to tackle him during the fourth quarter of a NFL football Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans coach Gary Kubiak, right, checks on wide receiver Andre Johnson (80) during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans tight end Owen Daniels (81) catches a pass as San Francisco 49ers cornerback Shawntae Spencer (36) defends in the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

Houston Texans safety Eugene Wilson (26) celebrates after intercepting a pass against the San Francisco 49ers during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)

Houston Texans wide receiver Andre Johnson (80) celebrates after catching a pass for a first down as San Francisco 49ers cornerback Shawntae Spencer (36) defends during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans safety Eugene Wilson (26) returns an interception during the fourth quarter of a NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)

Houston Texans wide receiver Andre Johnson (80) leaves the field during the fourth quarter of a NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers quarterback Alex Smith (11) throws a pass against the Houston Texans during the third quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Former Presidents George H. W. Bush, right, and George W. Bush meet Houston Texans' Rex Grossman (5) before the Houston Texans NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Houston Texans defensive tackle Amobi Okoye (91) celebrates a tackle with teammate Mario Williams (90) during the third quarter of a NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers quarterback Alex Smith (11) calls a play against the Houston Texans during the third quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers wide receiver Michael Crabtree (15) leaves the bench after a NFL football game against the Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans cheerleaders perform during the fourth quarter of a NFL football game between the San Francisco 49ers and Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

A Houston Texans cheerleader performs during the third quarter of a NFL football game between the San Francisco 49ers and Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans safety Bernard Pollard (31) tries to block a kick by San Francisco 49ers' Andy Lee (4) in the first quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/Dave Einsel)

A Houston Texans cheerleader performs during the third quarter of a NFL football game between the San Francisco 49ers and Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

San Francisco 49ers wide receiver Josh Morgan (84) catches a pass as Houston Texans' Dunta Robinson (23) and Eugene Wilson (26) defend during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans cheerleaders perform during the fourth quarter of a NFL football game against the san Francisco 49ers Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)

San Francisco 49ers quarterback Alex Smith (11) hands off to Frank Gore (21) during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)

San Francisco 49ers wide receiver Josh Morgan (84) catches a pass as Houston Texans cornerback Glover Quin (29) defends during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

Houston Texans Brian Cushing (56) runs after recovering a loose ball during the fourth quarter of a NFL football game against the San Francisco 49ers Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)(AP Photo/)

Houston Texans' Eugene Wilson (26) knocks a ball away from San Francisco 49ers' Vernon Davis (85) during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)

San Francisco 49ers receiver Michael Crabtree, right, makes an 18-yard catch in front of Houston Texans cornerback Jacques Reeves (35) in the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)