San Francisco 49ers quarterback Colin Kaepernick drops back to pass during the first quarter of an NFL football game against the Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

San Francisco 49ers quarterback Colin Kaepernick (7) is hit by Miami Dolphins defensive end Cameron Wake (91) after losing control of the ball during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. Looking on is San Francisco 49ers tackle Anthony Davis (76) and guard Mike Iupati (77). (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick throws during the first quarter of an NFL football game against the Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins defensive end Cameron Wake celebrates after sacking San Francisco 49ers quarterback Colin Kaepernick during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Miami Dolphins quarterback Ryan Tannehill throws the ball under pressure as San Francisco 49ers strong safety Donte Whitner (31) pursues during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Miami Dolphins quarterback Ryan Tannehill (17) is stopped for a two-yard gain by San Francisco 49ers inside linebacker Patrick Willis (52) during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. At right is Miami Dolphins wide receiver Brian Hartline (82). (AP Photo/Ben Margot)

San Francisco 49ers wide receiver Michael Crabtree, right, runs with the ball before being stopped by Miami Dolphins cornerback Nolan Carroll, left, during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins running back Reggie Bush carries the ball as San Francisco 49ers cornerback Tarell Brown (25) looks on during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. At left is San Francisco 49ers cornerback Carlos Rogers (22) and Miami Dolphins quarterback Ryan Tannehill (17). (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers head coach Jim Harbaugh watches from the sidelines during the first quarter of an NFL football game against the Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins head coach Joe Philbin reacts after an official's call during the second quarter of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Miami Dolphins quarterback Ryan Tannehill throws during the second quarter of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins running back Marcus Thigpen is brought down with the ball by San Francisco 49ers linebacker Michael Wilhoite (57) as 49ers defensive back Darcel McBath (28) moves in during the second quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

San Francisco 49ers kicker David Akers reacts after making a field goal during the second quarter of an NFL football game Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

San Francisco 49ers defensive back C.J. Spillman reacts after recovering a fumbled Miami Dolphins punt return during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. The recovery set up a 49ers touchdown by Frank Gore. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins running back Reggie Bush, left, is stopped with the ball by San Francisco 49ers strong safety Donte Whitner, right, during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

San Francisco 49ers guard Mike Iupati (77) celebrates as running back Frank Gore (21) carries the ball into the end zone for a touchdown on a one-yard run during the third quarter of an NFL football game against the Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. Also shown are San Francisco 49ers guard Leonard Davis (68) and 49ers tight end Delanie Walker (46). (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore celebrates after scoring a touchdown on a one-yard run during the third quarter of an NFL football game against the Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins running back Reggie Bush is stopped with the ball by San Francisco 49ers strong safety Donte Whitner (31) during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Anthony Dixon carries the ball into the end zone for a touchdown on a one-yard run past Miami Dolphins safety Tyrone Culver, right, during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Anthony Dixon, left, is greeted by tackle Daniel Kilgore, center, and quarterback Colin Kaepernick after scoring a touchdown during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins tight end Anthony Fasano falls into the end zone for a touchdown on a three-yard pass quarterback Ryan Tannehill as San Francisco 49ers strong safety Donte Whitner, right, looks on during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

San Francisco 49ers running back Frank Gore (21) celebrates a touchdown against the Miami Dolphins during a game at the Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

San Francisco 49ers quarterback Colin Kaepernick, right, celebrates with tight end Delanie Walker, left, after Kaepernick scored a touchdown on a 50-yard run during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick (7) carries the ball on a 50-yard touchdown run past Miami Dolphins linebacker Jason Trusnik, left, during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick, right, is greeted by Miami Dolphins middle linebacker Karlos Dansby, left, at the end of their NFL football game in San Francisco, Sunday, Dec. 9, 2012. San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

Miami Dolphins head coach Joe Philbin, left, shakes hands with San Francisco 49ers head coach Jim Harbaugh, right, at the end of their NFL football game in San Francisco, Sunday, Dec. 9, 2012. San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick, right, celebrates after scoring a touchdown on a 50-yard run as San Francisco 49ers tight end Delanie Walker, left, looks on during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) runs the ball during the NFL game against the Miami Dolphins at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

Miami Dolphins running back Lamar Miller (26) runs the ball during the NFL game against the San Francisco 49ers at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

A San Francisco 49ers cheerleader performs during the NFL game against the Miami Dolphins at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

Miami Dolphins running back Reggie Bush (22) runs the ball during the NFL game against the San Francisco 49ers at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

San Francisco 49ers running back Anthony Dixon (24) leaps in the air during the NFL game against the Miami Dolphins at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

San Francisco 49ers running back Frank Gore (21) runs the ball during the NFL game against the Miami Dolphins at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)