San Francisco 49ers quarterback Colin Kaepernick celebrates a touchdown against the Baltimore Ravens during the NFL Super Bowl XLVII at the Mercedes-Benz Superdome in New Orleans, LA on Sunday, February 3, 2013. (Steve Sanders/NFL)

San Francisco 49ers wide receiver Michael Crabtree (15) runs into the end zone for a touchdown against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome in New Orleans, LA on Sunday, February 3, 2013. (Ben Liebenberg/NFL)

San Francisco 49ers tight end Delanie Walker (46) runs with the ball against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome in New Orleans, LA on Sunday, February 3, 2013. (Ben Liebenberg/NFL)

San Francisco 49ers running back Frank Gore (21) runs the ball against the Baltimore Ravens during the NFL Super Bowl XLVII at the Mercedes-Benz Superdome in New Orleans, LA on Sunday, February 3, 2013. (Steve Sanders/NFL)

San Francisco 49ers running back Anthony Dixon (24) leaps over defenders 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 outside linebacker Ahmad Brooks (55) blocks a pass throw by Atlanta Falcons quarterback Matt Ryan (2) during the NFC Championship playoff football game at the Georgia Dome on Sunday, Jan. 20, 2013 in Atlanta. The San Francisco 49ers won 28 - 24. (Perry Knotts/NFL)

San Francisco 49ers free safety Dashon Goldson (38) holds his hands up in celebration of winning the NFC Championship playoff football game against the Atlanta Falcons at the Georgia Dome on Sunday, Jan. 20, 2013 in Atlanta. The San Francisco 49ers won 28 - 24. (Perry Knotts/NFL)

San Francisco 49ers running back Frank Gore runs the ball against the New York Jets at MetLife Stadium on September 30, 2012 in East Rutherford, New Jersey. (Aaron M. Sprecher/NFL)

San Francisco 49ers quarterback Colin Kaepernick #7 scrambles as New England Patriots cornerback Kyle Arrington #24 defends during a game at Gillette Stadium on December 16, 2012 in Foxboro, Massachusetts. (Aaron M. Sprecher/NFL)

San Francisco 49ers head coach Jim Harbaugh gestures during the second half of an NFL football game against the Chicago Bears in San Francisco, Monday, Nov. 19, 2012. (AP Photo/Tony Avelar)

San Francisco 49ers wide receiver Michael Crabtree (15) jumps over Seattle Seahawks cornerback Richard Sherman (25) during the first quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Ben Margot)

San Francisco 49ers wide receiver Randy Moss (84) celebrates his touchdown catch from quarterback Colin Kaepernick (7) in the first quarter of an NFL football game against the New England Patriots in Foxborough, Mass., Sunday, Dec. 16, 2012. (AP Photo/Steven Senne)

San Francisco 49ers quarterback Colin Kaepernick is sacked for a 7-yard loss by St. Louis Rams outside linebacker Jo-Lonn Dunbar (58) and defensive end William Hayes, right, during the first quarter of an NFL football game Sunday, Dec. 2, 2012, in St. Louis. (AP Photo/Seth Perlman)

San Francisco 49ers quarterback Colin Kaepernick (7) gestures after his second start in an NFL football game against the New Orleans Saints in New Orleans, Sunday, Nov. 25, 2012. The 49ers defeated the Saints 31-21. (AP Photo/Bill Feig)

San Francisco 49ers running back Frank Gore carries the ball on a 21-yard touchdown run past St. Louis Rams free safety Quintin Mikell, center and St. Louis Rams outside linebacker Jo-Lonn Dunbar (58) during the fourth quarter of an NFL football game in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Jeff Chiu)

San Francisco 49ers safety Dashon Goldson celebrates after recovering a fumble by Buffalo Bills tight end Scott Chandler during the second quarter of an NFL football game, Sunday, Oct. 7, 2012, in San Francisco. (AP Photo/Ben Margot)

San Francisco 49ers running back Frank Gore (21) tries to gain yardage as Arizona Cardinals cornerback William Gay (22) and Paris Lenon (51) defend during the first half of an NFL football game, Monday, Oct. 29, 2012, in Glendale, Ariz. (AP Photo/Paul Connors)

San Francisco 49ers running back Kendall Hunter, right, runs with the ball, but is stopped by Detroit Lions free safety John Wendling, left, during the third quarter of an NFL football game in San Francisco, Sunday, Sept. 16, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after scoring a touchdown with teammates Alex Boone (75) and Joe Staley (74) during the first half of an NFL football game against the New York Jets Sunday, Sept. 30, 2012, in East Rutherford, N.J. (AP Photo/Kathy Willens)

San Francisco 49ers quarterback Colin Kaepernick dives to the end zone to score a touchdown during an NFL football game against the St. Louis Rams on Nov. 11, 2012 in San Francisco. The game ended in a tie, 24-24. (AP Photo/G. Newman Lowrance)

San Francisco 49ers inside linebacker Patrick Willis (52) celebrates at the end of their 32-7 win over the Chicago Bears in an NFL football game in San Francisco, Monday, Nov. 19, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers head coach Jim Harbaugh celebrates with quarterback Colin Kaepernick (7) after Kaepernick's 56-yard touchdown run against the Green Bay Packers during the third quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Ben Margot)

San Francisco 49ers running back Frank Gore (21) celebrates after scoring on a 2-yard touchdown run against the Arizona Cardinals during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 30, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree (15) scores a touchdown against the Arizona Cardinals during the first half of an NFL football game, Monday, Oct. 29, 2012, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

San Francisco 49ers running back Anthony Dixon celebrates after their 13-6 win over the Seattle Seahawks in an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker NaVorro Bowman (53) celebrates after a tackle against the Chicago Bears during the third quarter of an NFL football game in San Francisco, Monday, Nov. 19, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Kyle Williams (10) celebrates after scoring on a touchdown pass from quarterback Alex Smith during the second quarter of an NFL football game against the Buffalo Bills, Sunday, Oct. 7, 2012, in San Francisco. (AP Photo/Tony Avelar)

San Francisco 49ers' Chris Culliver (29) intercepts a pass in front of Atlanta Falcons' Roddy White during the second half of the NFL football NFC Championship game Sunday, Jan. 20, 2013, in Atlanta. (AP Photo/Mark Humphrey)

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 running back Kendall Hunter (32) scores a touchdown during the second half of an NFL football game Sunday, Sept. 30, 2012, in East Rutherford, N.J. the 49ers won the game 34-0. (AP Photo/Kathy Willens)

San Francisco 49ers strong safety Donte Whitner (31) scores on a touchdown run in the second half of an NFL football game against the New Orleans Saints at the Louisiana Superdome in New Orleans, Sunday, Nov. 25, 2012. (AP Photo/Bill Feig)

San Francisco 49ers quarterback Alex Smith (11) passes against the Seattle Seahawks during the second quarter of an NFL football game in San Francisco, Thursday, Oct. 18, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers linebacker Patrick Willis (52) celebrates with safety Donte Whitner after tackling Arizona Cardinals running back William Powell during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 30, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers outside linebacker Aldon Smith enters the field before an NFL game against the Detroit Lions, Sunday, Sept. 16, 2012 in San Francisco. The 49ers won the game, 27-19. (Ric Tapia/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7) takes off on a 50-yard touchdown run during an NFL game against the Miami Dolphins on Sunday, Dec. 9, 2012, in San Francisco. The 49ers won the game, 27-13. (AP Photo/Greg Trott)

San Francisco 49ers tight end Vernon Davis runs with the ball for a touchdown past Detroit Lions free safety John Wendling, right, during the first quarter of an NFL football game in San Francisco, Sunday, Sept. 16, 2012. Davis scored on a 21-yard pass from quarterback Alex Smith. (AP Photo/Tony Avelar)

A Salute to Service ceremony takes place on the field at Candlestick Park before the start an NFL football game between the San Francisco 49ers and the St. Louis Rams in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Jeff Chiu)

San Francisco 49ers defensive back Tramaine Brock enters the field with teammate before an NFL game against the Detroit Lions, Sunday, Sept. 16, 2012 in San Francisco. The 49ers won the game, 27-19. (Ric Tapia/NFL)

San Francisco 49ers tight end Vernon Davis celebrates in the end zone after scoring a touchdown on a 23-yard pass from quarterback Alex Smith during the fourth quarter of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Michael Crabtree (15) celebrates with offensive tackle Joe Staley (74) after making a reception against the Arizona Cardinals during the second half of an NFL football game in San Francisco, Sunday, Dec. 30, 2012. (AP Photo/Tony Avelar)

San Francisco 49ers quarterback Alex Smith (11) thows a pass away from New York Jets' Yeremiah Bell (37) as teammate Kendall Hunter (32) blocks during the second half of an NFL football game Sunday, Sept. 30, 2012, in East Rutherford, N.J. the 49ers won the game 34-0. (AP Photo/Bill Kostroun)

San Francisco 49ers running back Frank Gore carries the ball into the end zone for a touchdown during the second quarter of an NFL football game against the Detroit Lions in San Francisco, Sunday, Sept. 16, 2012. At right is 49ers defensive tackle Will Tukuafu (92). (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers tight end Vernon Davis #85 leaps over photographers after scoring a touchdown against the Detroit Lions at Candlestick Park in San Francisco, California on September 16, 2012. (Ric Tapia/NFL)

San Francisco 49ers quarterback Alex Smith #11 throws a pass during an NFL game against the Detroit Lions at Candlestick Park in San Francisco, California on September 16, 2012. (Ric Tapia/NFL)

San Francisco 49ers wide receiver Michael Crabtree #15 catches a pass against Chicago Bears cornerback Charles Tillman #33 at Candlestick Park in San Francisco, California on November 19, 2012. (Ric Tapia/NFL)

San Francisco 49ers quarterback Colin Kaepernick #7 celebrates after the NFL game against the Chicago Bears at Candlestick Park in San Francisco, California on November 19, 2012. (Ric Tapia/NFL)

San Francisco 49ers running back Frank Gore #21 leaps over Chicago Bears cornerback Tim Jennings #26 and safety Major Wright #21 during the NFL game at Candlestick Park in San Francisco, California on November 19, 2012. (Ric Tapia/NFL)

San Francisco 49ers linebacker Tavares Gooden #56 celebrates in a game against the Chicago Bears at Candlestick Park in San Francisco, California on November 19, 2012. (Ric Tapia/NFL)

Seattle Seahawks wide receiver Braylon Edwards (17) is defended by San Francisco 49ers free safety Dashon Goldson (38) and inside linebacker Patrick Willis (52) during an NFL game at the Candlestick Park in San Francisco, California on October 18, 2012. (Ric Tapia/NFL)