Super Bowl XLVII

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

(Win McNamee/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Baltimore Ravens head coach John Harbaugh (left) and his brother, San Francisco 49ers coach Jim Harbaugh, chatted during warm-ups prior to Super Bowl XLVII. (Jamie Squire/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Pro Football Hall of Famer Warren Sapp. (Photo by Christian Petersen/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Head coach Jim Harbaugh speaks to Colin Kaepernick #7 of the San Francisco 49ers. (Photo by Al Bello/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Colin Kaepernick #7 of the San Francisco 49ers. (Photo by Christian Petersen/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Ahmad Brooks #55 of the San Francisco 49ers and his teammates huddle up prior to the start of Super Bowl XLVII against the Baltimore Ravens 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

(Mike Ehrmann/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Colin Kaepernick #7 of the San Francisco 49ers handles a snap during the first quarter against the Baltimore Ravens during Super Bowl XLVII. (Photo by Jamie Squire/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Anquan Boldin #81 of the Baltimore Ravens catches a touchdown pass in the first quarter over Donte Whitner #31 of the San Francisco 49ers 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

Anquan Boldin #81 of then of the Baltimore Ravens and Chris Culliver #29 of the San Francisco 49ers exchange words after Boldin made a reception in the first quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Win McNamee/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Vernon Davis #85 of the San Francisco 49ers makes a reception in the second quarter against Courtney Upshaw #91 and Ray Lewis #52 of the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Win McNamee/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

(Photo by Jamie Squire/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Cary Williams #29 of the Baltimore Ravens reacts in front of head linesman Steve Stelljes #22 and Bruce Miller #49 of the San Francisco 49ers following personal foul calls in the second quarter 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

The San Francisco 49ers in a huddle prior to playing against the Baltimore Ravens during Super Bowl XLVII. (Photo by Rob Carr/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

A partial power outage during the third quarter causes a 34 minute delay in the game 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

Aldon Smith #99 of the San Francisco 49ers reacts after the 49ers Tarell Brown #25 recovered a fumble by Ray Rice #27 of the Baltimore Ravens in the third quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Win McNamee/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Head coach Jim Harbaugh of the San Francisco 49ers shouts from the sidelines against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Rob Carr/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

(Christian Petersen/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

(Photo by Christian Petersen/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Colin Kaepernick #7 of the San Francisco 49ers runs into the endzone for a 15-yard rushing touchdown in the fourth quarter as teammate Joe Staley #74 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)