Colin Kaepernick

Colin Kaepernick #7 and Vernon Davis #85 of the San Francisco 49ers celebrate after Kaepernick scored a 15-yard rushing touchdown in the fourth quarter against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana.

Colin Kaepernick #7 of the San Francisco 49ers walks off the field after losing against the Baltimore Ravens in Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana.

Colin Kaepernick #7 and Frank Gore #21 of the San Francisco 49ers celebrate after Gore scored a 6-yard rushing touchdown in the third quarter against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana.

Colin Kaepernick of the San Francisco 49ers celebrates on the field after the 49ers won 28-24 against the Atlanta Falcons in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.

Colin Kaepernick of the San Francisco 49ers runs against the New York Jets during a game at MetLife Stadium on Sept. 30, 2012, in East Rutherford, N.J.

Quarterback Colin Kaepernick of the San Francisco 49ers during the NFL game against the Arizona Cardinals at the University of Phoenix Stadium on Dec. 11, 2011, in Glendale, Ariz. The Cardinals defeated the 49ers 21-19.

Colin Kaepernick of the San Francisco 49ers celebrates a victory over the New Orleans Saints following a game at the Mercedes-Benz Superdome on Nov. 25, 2012, in New Orleans.

Colin Kaepernick of the San Francisco 49ers speaks with head coach Jim Harbaugh during a game against the New Orleans Saints at the Mercedes-Benz Superdome on Nov. 25, 2012, in New Orleans.

Colin Kaepernick of the San Francisco 49ers dives and scores on a seven-yard touchdown run against the St. Louis Rams in the fourth quarter of an NFL football game at Candlestick Park on Nov. 11, 2012, in San Francisco. The game ended after sudden death overtime in a 24-24 tie.

Colin Kaepernick of the San Francisco passes inside the pocket against the New Orleans Saints during a preseason game at Louisiana Superdome on Aug. 12, 2011, in New Orleans.

Colin Kaepernick of the San Francisco 49ers is pushed out of bounds by Quintin Mikell, of the St. Louis Rams, at the Edward Jones Dome on Dec. 2, 2012, in St. Louis. The Rams beat the 49ers 16-13 in overtime.

Head coach Jim Harbaugh talks to Colin Kaepernick of the San Francisco 49ers in the second quarter against the Chicago Bears at Candlestick Park on Nov. 19, 2012, in San Francisco.

Colin Kaepernick of the San Francisco 49ers looks for an open receiver during a game against the New Orleans Saints at the Mercedes-Benz Superdome on Nov. 25, 2012, in New Orleans.

Colin Kaepernick of the San Francisco 49ers warms up prior to the game against the New England Patriots prior to the game at Gillette Stadium on Dec. 16, 2012, in Foxboro, Mass.

Colin Kaepernick of the San Francisco 49ers warms up before a game with the New England Patriots at Gillette Stadium on Dec. 16, 2012, in Foxboro, Mass.

Quarterback Colin Kaepernick of the San Francisco 49ers tries to get away from defensive end Bruce Irvin, of the Seattle Seahawks, during the fourth quarter of the game at CenturyLink Field on Dec. 23, 2012, in Seattle. The Seahawks won the game 42-13.

Quarterback Colin Kaepernick of the San Francisco 49ers slides on the turf during the second quarter of the game against the Seattle Seahawks at CenturyLink Field on Dec. 23, 2012, in Seattle.

Quarterback Colin Kaepernick of the San Francisco 49ers looks for a call from the sidelines during the second quarter of the game against the Seattle Seahawks at CenturyLink Field on Dec. 23, 2012, in Seattle.

Quarterback Colin Kaepernick of the San Francisco 49ers calls a play at the line in the second quarter against the Atlanta Falcons in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.

Quarterback Colin Kaepernick (7) of the San Francisco 49ers warms up before taking on the Atlanta Falcons in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.

Quarterback Colin Kaepernick of the San Francisco 49ers scrambles out of the pocket during the second quarter of the game against the Seattle Seahawks at CenturyLink Field on Dec. 23, 2012, in Seattle.

Quarterback Colin Kaepernick of the San Francisco 49ers warms up against the Atlanta Falcons in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.

Quarterback Colin Kaepernick of the San Francisco 49ers passes the ball in the second quarter against the Atlanta Falcons in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.

Quarterback Colin Kaepernick of the San Francisco 49ers celebrates with a teammate after running in a touchdown in the first quarter against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on Jan. 12, 2013, in San Francisco.

Quarterback Colin Kaepernick of the San Francisco 49ers in actions against the Green Bay Packers during the NFC Divisional Playoff Game at Candlestick Park on Jan. 12, 2013, in San Francisco.

Colin Kaepernick of the San Francisco 49ers answers questions in the post game news conference after the 49ers defeated the Atlanta Falcons 28-24 in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.

Quarterback Colin Kaepernick of the San Francisco 49ers runs the ball against nose tackle B.J. Raji, of the Green Bay Packers, during the NFC Divisional Playoff Game at Candlestick Park on Jan. 12, 2013, in San Francisco.

Colin Kaepernick of the San Francisco 49ers celebrates on the field after the 49ers won 28-24 against the Atlanta Falcons in the NFC Championship game at the Georgia Dome on Jan. 20, 2013, in Atlanta.