San Francisco 49ers' Colin Kaepernick (7) celebrates with Leonard Davis and Daniel Kilgore (67) after the NFL football NFC Championship game against the Atlanta Falcons Sunday, Jan. 20, 2013, in Atlanta. The 49ers won 28-24 to advance to Superbowl XLVII. (AP Photo/Dave Martin)

San Francisco 49ers quarterback Colin Kaepernick passes the ball during the first half of the NFL football NFC Championship game Sunday, Jan. 20, 2013, in Atlanta. (AP Photo/Dave Martin)

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 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)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers eludes defensive tackle B.J. Raji #90 and linebacker Erik Walden #93 of the Green Bay Packers during a NFL Divisional playoff game at Candlestick Park in San Francisco, Calif., on Jan. 12, 2013. The 49ers defeated the Packers 45-31. (Ben Liebenberg/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7) in action during the NFL game between the San Francisco 49ers and the Seattle Seahawks on Sunday, December 23, 2012 in Seattle, Washington. (AP Photo/Jon Ferrey)

San Francisco 49ers WR Michael Crabtree and QB Colin Kaepernick celebrate a touchdown during a NFL Divisional playoff game against the Green Bay Packers at Candlestick Park in San Francisco, Calif., on Jan. 12, 2013. The 49ers defeated the Packers 45-31. (Ben Liebenberg/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7 ) passes during an NFL game against the Arizona Cardinals on Sunday, Dec. 30, 2012, in San Francisco. The 49ers won the game, 27-13. (AP Photo/Greg Trott)

Nevada quarterback Colin Kaepernick, left, scrambles past Missouri's Jacquies Smith during the second quarter of an NCAA college football game Saturday, Sept. 13, 2008, in Columbia, Mo. (AP Photo/L.G. Patterson)

Nevada quarterback Colin Kaepernick (10) slips past New Mexico's Jerome Jenkins for a short gain during the secnod quarter of the New Mexico Bowl football game Saturday, Dec. 22, 2007, in Albuquerque, NM. (AP Photo/Matt York)

Nevada quarterback Colin Kaepernick (10) stretches toward the goal while Boise State's Marty Tadman (20) looks on during the first half of the college football game on Sunday, Oct. 14, 2007 in Boise, Idaho. The run led to a Nevada touchdown. (AP Photo/Matt Cilley)

Nevada quarterback Colin Kaepernick, right, throws in front of Notre Dame linebacker Brian Smith, left, and Nevada's Chris Barker during the third quarter of an NCAA college football game in South Bend, Ind., Saturday, Sept. 5, 2009. Notre Dame defeated Nevada 35-0. (AP Photo/Michael Conroy)

Nevada Wolf Pack quarterback Colin Kaepernick is mobbed on the field following Friday's NCAA college football game, Sept. 17, 2010, in Reno, Nev. Nevada defeated California 52-31. (AP Photo/Cathleen Allison)

Nevada's Colin Kaepernick scores on a 47 yard touchdown run against Fresno State in the first half of an NCAA college football game Saturday, Nov. 13, 2010 in Fresno, Calif. (AP Photo/Gary Kazanjian)

Nevada Wolf Pack quarterback Colin Kaepernick celebrates with fans as he leaves the field after a 34-31overtime win over Boise State during the NCAA college football game Friday night, Nov. 26, 2010, in Reno, Nev. (AP Photo/Cathleen Allison)

Nevada quarterback Colin Kaepernick, center, speaks to reporters after a news conference for the Fight Hunger Bowl NCAA college football game, Wednesday, Jan. 5, 2011. Nevada is scheduled to play Boston College on Sunday. (AP Photo/Jeff Chiu)

Nevada quarterback Colin Kaepernick right, hoist the winner's trophy after beating Boston College during the Fight Hunger Bowl NCAA college football game in San Francisco, Sunday, Jan. 9, 2011. Nevada won 20-13. (AP Photo/Marcio Jose Sanchez)

Nevada quarterback Colin Kaepernick throws during the NFL football scouting combine in Indianapolis. (AP Photo/Darron Cummings, File)

Nevada quarterback Colin Kaepernick poses for a portrait in the NFL Network Studio on April 12, 2011 in Culver City, CA. (Alix Drawec/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7) pitches out to the running back during an NFL football game at the Louisiana Superdome in New Orleans, Friday, Aug. 12, 2011. (AP Photo/Bill Feig)

San Francisco 49ers quarterback Colin Kaepernick (7) scrambles during an NFL game against the Houston Texans on Saturday, Aug. 27, 2011, in San Francisco. The Texans won the game, 30-7. (AP Photo/Greg Trott)

San Francisco 49ers quarterback Colin Kaepernick scrambles during the second half first of a NFL preseason football game against the San Diego Chargers Thursday, Sept. 1, 2011 in San Diego. (AP Photo/Denis Poroy)

San Francisco 49ers quarterback Colin Kaepernick (7) is tripped up by Minnesota Vikings guard Tyler Holmes (66) in an NFL preseason football game between the San Francisco 49ers and the Minnesota Vikings in San Francisco, Friday, Aug. 10, 2012. (AP Photo/Tom Hauck)

San Francisco 49ers quarterback Colin Kaepernick (7) in action during 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)

Quarterback Colin Kaepernick #7 of the San Francisco 49ers drops back to pass against linebacker Clay Matthews #52 of the Green Bay Packers during a NFL Divisional playoff game at Candlestick Park in San Francisco, Calif., on Jan. 12, 2013. The 49ers defeated the Packers 45-31. (Ben Liebenberg/NFL)

San Francisco 49ers quarterback Colin Kaepernick (7) runs for a 20-yard touchdown against the Green Bay Packers during the first quarter of an NFC divisional playoff NFL football game in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

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)