St. Louis Rams quarterback Kellen Clemens, left, talks with San Francisco 49ers quarterback Colin Kaepernick after an NFL football game in San Francisco, Sunday, Dec. 1, 2013. The 49ers won 23-13. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cornerback Carlos Rogers (22) runs against St. Louis Rams wide receiver Tavon Austin (11) after intercepting quarterback Kellen Clemens during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. The 49ers won 23-13. (AP Photo/Marcio Jose Sanchez)

St. Louis Rams' Matt Giordano (27) is tackled for a loss by San Francisco 49ers' Anthony Dixon on a fake punt play during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers tight end Vernon Davis (85) faces off with St. Louis Rams defensive end Chris Long during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker Patrick Willis (52) celebrates after sacking St. Louis Rams quarterback Kellen Clemens during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

St. Louis Rams running back Zac Stacy (30) is tackled by San Francisco 49ers defensive end Tony Jerod-Eddie, left, linebacker NaVorro Bowman (53) during the second half of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Kassim Osgood (14) gets in a shoving match with St. Louis Rams defensive end Eugene Sims, center, and running back Chase Reynolds during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree celebrates after a 60-yard reception against the St. Louis Rams during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers wide receiver Michael Crabtree (15) runs past St. Louis Rams cornerback Trumaine Johnson on a 60-yard reception during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers tight end Vernon Davis celebrates after scoring on a 17-yard touchdown reception during the fourth quarter of an NFL football game against the St. Louis Rams in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers tight end Vernon Davis (85) jumps into the end zone over St. Louis Rams cornerback Janoris Jenkins (21) to score on a 17-yard touchdown reception during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

St. Louis Rams quarterback Kellen Clemens passes against the San Francisco 49ers during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree (15) is tackled by St. Louis Rams outside linebacker Alec Ogletree (52) after a reception during the first half of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker NaVorro Bowman (53) stands up after sacking St. Louis Rams quarterback Kellen Clemens (10) during the second quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers quarterback Colin Kaepernick (7) passes as St. Louis Rams defensive end Chris Long (91) applies pressure during the second quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) celebrates with quarterback Colin Kaepernick (7) after running for a 3-yard touchdown during the second quarter of an NFL football game against the St. Louis Rams in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers quarterback Colin Kaepernick (7) passes against the St. Louis Rams during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick, right, is hit by St. Louis Rams outside linebacker Jo-Lonn Dunbar as he slides to the ground during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. Dunbar was penalized for a personal foul on the play. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Anquan Boldin, right, yells as he is grabbed by St. Louis Rams cornerback Janoris Jenkins during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 1, 2013. Jenkins was penalized on the play. (AP Photo/Marcio Jose Sanchez)