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. (Photo by Christian Petersen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Ray Lewis #52 of the Baltimore Ravens celebrates after the Ravens won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ronald Martinez/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Ray Lewis #52 of the Baltimore Ravens celebrates with teammate Jacoby Jones #12 following their 34-31 win against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ezra Shaw/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Ray Lewis #52 of the Baltimore Ravens celebrates with the Vince Lombardi trophy after the Ravens won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christian Petersen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Frank Gore #21 of the San Francisco 49ers walks off of the field dejected after the Baltimore Ravens won 34-31 during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christian Petersen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Head coach John Harbaugh of the Baltimore Ravens shakes hands with his brother head coach Jim Harbaugh of the San Francisco 49ers after winning Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. The Ravens defeated the 49ers 34-31. (Photo by Ezra Shaw/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Joe Flacco #5 of the Baltimore Ravens holds up the Vince Lombardi Trophy following their 34-31 win against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jamie Squire/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Ed Reed #20 of the Baltimore Ravens celebrates with the Vince Lombardi trophy after the Ravens won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ronald Martinez/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Ed Reed #20 of the Baltimore Ravens celebrates with the Vince Lombardi trophy after the Ravens won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ronald Martinez/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Jacoby Jones #12 of the Baltimore Ravens catches a 56-yard pass before running in for the touchdown in the second quarter against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ezra Shaw/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Jacoby Jones #12 of the Baltimore Ravens reacts after he scored on a 108-yard kick-off return for a touchdown to open the second half against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ronald Martinez/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
A general view of the Mercedes-Benz Superdome after a sudden power outage that lasted 34 minutes in the second half during Super Bowl XLVII between the Baltimore Ravens and the San Francisco 49ers at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Al Bello/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Anquan Boldin #81 of the Baltimore Ravens attempts to catch a pass in front of Chris Culliver #29 and Dashon Goldson #38 of the San Francisco 49ers in the second half during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Colin Kaepernick #7, Frank Gore #21, and head coach Jim Harbaugh of the San Francisco 49ers wait on the field during a power outage that occured in the third quarter and caused a 34-minute delay during Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Mike Ehrmann/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Anquan Boldin #81 of the Baltimore Ravens runs with the ball past Chris Culliver #29 of the San Francisco 49ers after catching a pass in the second half during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Al Bello/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Colin Kaepernick #7 of the San Francisco 49ers reacts after he 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. (Photo by Ronald Martinez/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
NEW ORLEANS, LA - FEBRUARY 03: Colin Kaepernick #7 of the San Francisco 49ers celebrates after he 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. (Photo by Ronald Martinez/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Daniel Kilgore #67 of the San Francisco 49ers looks on with his teammates during a sudden power outage in the second quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Mike Ehrmann/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Michael Crabtree during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana.
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Michael Crabtree #15 of the San Francisco 49ers fails to make a catch in the endzone late in the fourth quarter against Ed Reed #20 of the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Al Bello/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Super Bowl MVP Joe Flacco #5 of the Baltimore Ravens celebrates with the Vince Lombardi trophy after the Ravens won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christian Petersen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Ray Lewis #52 of the Baltimore Ravens celebrates after defeating the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers
Vonta Leach #44 and Ray Lewis #52 of the Baltimore Ravens celebrate after defeating the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. The Ravens defeated the 49ers 43-31. (Photo by Chris Graythen/Getty Images)
Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers