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Baltimore Ravens quarterback Joe Flacco celebrates as the Ravens defeat the San Francisco 49ers to win the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jim Young

Morgan Cox #46 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 Al Bello/Getty Images)

Ed Reed #20 of the Baltimore Ravens holds up the Vince Lombardi Trophy 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 Jamie Squire/Getty Images)

Perrish Cox #20 of the San Francisco 49ers kneels down among the confetti following their loss to the Baltimore Ravens during 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 Jamie Squire/Getty Images)

Confetti falls on the field as the Baltimore Ravens celebrate 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 Chris Graythen/Getty Images)

Baltimore Ravens quarterback Joe Flacco (5) is lifted into the air by teammates after defeating the San Francisco 49ers 34-31 in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Bill Haber)

Members of the San Francisco 49ers sit on the bench after being defeated by the Baltimore Ravens during 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 Jamie Squire/Getty Images)

Baltimore Ravens safety Ed Reed (20) celebrates at the end of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. The Ravens won 34-31. (AP Photo/Patrick Semansky)

San Francisco 49ers wide receiver A.J. Jenkins (17) walks off the field after losing 34-31 to the Baltimore Ravens in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Mark Humphrey)

Baltimore Ravens linebacker Ray Lewis, left, and quarterback Joe Flacco celebrate their 34-31 win against the San Francisco 49ers in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Julio Cortez)

San Francisco 49ers quarterback Colin Kaepernick (7) reacts after throwing an incomplete pass during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. The Ravens won 34-31. (AP Photo/Evan Vucci)

Baltimore Ravens nose tackle Ma'ake Kemoeatu (96) celebrates after the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. The Ravens won 34-31. (AP Photo/Charlie Riedel)

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)

San Francisco 49ers wide receiver Michael Crabtree (15) can't reach a pass while being covered by Baltimore Ravens cornerback Jimmy Smith (22) and Ed Reed during the fourth quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes

Jacoby Jones (R) of the Baltimore Ravens falls with the ball 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. TIMOTHY A. CLARY/AFP/Getty Images

San Francisco 49ers wide receiver Michael Crabtree (15) is unable to hang onto a pass against Baltimore Ravens cornerback Corey Graham (24) in the third quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Lucy Nicholson

San Francisco 49ers running back Frank Gore (21) celebrates his third quarter touchdown against the Baltimore Ravens in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Lucy Nicholson

San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after scoring on a 15-yard touchdown run during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David J. Phillip)

Frank Gore #21 of the San Francisco 49ers breaks a tackle against Corey Graham #24 of the Baltimore Ravens as he runs for a touchdown in the second half during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Mike Ehrmann/Getty Images)

Baltimore Ravens wide receiver Jacoby Jones (12) runs the second-half opening kickoff back for a touchdown against the San Francisco 49ers in the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Jacoby Jones (12) celebrates after returning a kickoff for a 108-yard touchdown against the San Francisco 49ers during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans.(AP Photo/Elaine Thompson)

Tarell Brown #25 of the San Francisco 49ers recovers 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)

Baltimore Ravens wide receiver Anquan Boldin (81) stiff-arms San Francisco 49ers cornerback Chris Culliver (29) during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gene Puskar)

Baltimore Ravens cornerback Corey Graham breaks up a pass intended for San Francisco 49ers wide receiver Michael Crabtree (R) during the third quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes

Baltimore Ravens wide receiver Jacoby Jones (12) celebrates his second half kick-off run back touchdown against the San Francisco 49ers with temamates Corey Graham (24) and Brendon Ayanbadejo (51) in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Gary Hershorn

Michael Crabtree #15 of the San Francisco 49ers breaks tackles against Cary Williams #29 and Bernard Pollard #31 of the Baltimore Ravens and runs in for a touchdown in the third quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jamie Squire/Getty Images)

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)

Field judge Craig Wrolstad stands on the field after the lights went out during the second half of NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

San Francisco 49ers tight end Vernon Davis (85) looks around a dark stadium after the lights went out during the second half of NFL Super Bowl XLVII football game Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

Baltimore Ravens linebacker Ray Lewis (52) exchanges words with San Francisco 49ers tight end Vernon Davis (85) in the second quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Julio Cortez)

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)

San Francisco 49ers defensive back Chris Culliver (R) breaks up a pass intended for Baltimore Ravens wide receiver Torrey Smith during the second quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes

Ray Rice #27 of the Baltimore Ravens runs with the ball in the fist half against Patrick Willis #52 of the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Rob Carr/Getty Images)

San Francisco 49ers tight end Vernon Davis (85) runs between Baltimore Ravens linebacker Courtney Upshaw, left, and Ray Lewis during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Patrick Semansky)

Baltimore Ravens head coach John Harbaugh talks to referee Jerome Boger as the lights return in the third quarter following a power failure in the NFL Super Bowl XLVII foorball game against the San Francisco 49ers in New Orleans, Louisiana, February 3, 2013 REUTERS/Mike Segar

Baltimore Ravens wide receiver Anquan Boldin (81) catches a touchdown pass against San Francisco 49ers strong safety Donte Whitner (31) and inside linebacker NaVorro Bowman (53) in the first quarter of the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jonathan Bachman

San Francisco 49ers kicker David Akers (2) celebrates after kicking a field goal as Baltimore Ravens defensive back Chykie Brown (23) looks on in the first quarter of the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013 REUTERS/Jonathan Bachman

Bernard Pollard (L) of the Baltimore Ravens eyes Vernon Davis (R) of the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. TIMOTHY A. CLARY/AFP/Getty Images

Baltimore Ravens quarterback Joe Flacco (5) sits on the field after being sacked by San Francisco 49ers' Ahmad Brooks during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Julio Cortez)

Jacoby Jones #12 of the Baltimore Ravens runs with the ball for a 56 yard touchdown against the San Francisco 49ers in the second quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

Baltimore Ravens quarterback Joe Flacco (5) celebrates with his teammates after his second touchdown pass of the game against the San Francisco 49ers during the second quarter of the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Brian Snyder

San Francisco 49ers fans cheer during the NFL Super Bowl XLVII football game between the San Francisco 49ers and Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Stacy Revere

Baltimore Ravens fullback Vonta Leach (44) collides with San Francisco 49ers cornerback Tarell Brown (25) during the second quarter of the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Brian Snyder

San Francisco 49ers head coach Jim Harbaugh reacts during the first half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

Dannell Ellerbe (R) of the Baltimore Ravens brings down Frank Gore (L) of the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. TIMOTHY A. CLARY/AFP/Getty Images

Baltimore Ravens tight end Ed Dickson (84) makes a catch against San Francisco 49ers safety Donte Whitner (31) during the first half of NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elaine Thompson)

Baltimore Ravens fans cheer during the NFL Super Bowl XLVII football game between the San Francisco 49ers and Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Stacy Revere

Arthur Jones (R) of the Baltimore Ravens and Joe Staley (L) of the San Francisco 49ers scuffle during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. TIMOTHY A. CLARY/AFP/Getty Images

San Francisco 49ers strong safety Donte Whitner (31) is called for a face mask penalty as he brings down Baltimore Ravens tight end Ed Dickson (84) during the second quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Mike Segar

Baltimore Ravens cornerback Corey Graham (24) pulls down San Francisco 49ers running back LaMichael James (23) in the second quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)

San Francisco 49ers quarterback Colin Kaepernick celebrates his touchdown against the Baltimore Ravens during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)

Joe Flacco #5 of the Baltimore Ravens is pressured and grabbed by Ahmad Brooks #55 of the San Francisco 49ers in the first quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

Baltimore Ravens cheerleaders perform during a power outage that occurred in the third quarter and caused a 34-minute delay 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 Chris Graythen/Getty Images)

San Francisco 49ers tight end Vernon Davis (85) is tackled by Baltimore Ravens inside linebacker Ray Lewis (52) and outside linebacker Courtney Upshaw (91) during the second quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Lucy Nicholson

San Francisco 49ers offensive tackle Joe Staley (74) is separated from Baltimore Ravens defensive end Arthur Jones (97) by umpire Darrell Jenkins during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elise Amendola)

San Francisco 49ers tight end Vernon Davis (85) runs with the ball as Baltimore Ravens safety Bernard Pollard (31) and cornerback Cary Williams (29) give chase during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Bill Haber)

San Francisco 49ers cheerleaders stand on the sidelines during a power outage during the third quarter in the NFL Super Bowl XLVII football game against the Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Sean Gardner

Players line up on the field during the first half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Tim Donnelly)

San Francisco 49ers running back Frank Gore (21) is tackled by Baltimore Ravens linebacker Dannell Ellerbe (59) in the first quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Patrick Semansky)

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)

Baltimore Ravens wide receiver Anquan Boldin (81) catches a 13-yard touchdown pass during the first half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David J. Phillip)

NEW ORLEANS, LA - FEBRUARY 03: Vernon Davis #85 of the San Francisco 49ers goes airborne after catching a pass against the Baltimore Ravens in the first quarter during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ezra Shaw/Getty Images)

Baltimore Ravens quarterback Joe Flacco (5) reacts to a 13-yard touchdown pass caught by wide receiver Anquan Boldin (81) against the San Francisco 49ers in the first quarter of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Anquan Boldin (81) reacts in the end zone after catching a touchdown pass as San Francisco 49ers strong safety Donte Whitner (31) walks away during the first quarter in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Sean Gardner

Anquan Boldin #81 of the Baltimore Ravens makes a 13-yard touchdown reception in the first quarter from Joe Flacco #5 against 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 Win McNamee/Getty Images)

The San Francisco 49ers take the field before they play the Baltimore Ravens in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes

San Francisco 49ers quarterback Colin Kaepernick prepares with his teammates to face the Baltimore Ravens in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes

Baltimore Ravens inside linebacker Ray Lewis (52) joins teammates during warm ups before the NFL Super Bowl XLVII football game against the San Francisco 49ers in New Orleans, Louisiana February 3, 2013. REUTERS/Jonathan Bachman

San Francisco 49ers head coach Jim Harbaugh, left, embraces his brother Baltimore Ravens head coach John Harbaugh before the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Bill Haber)

Ray Lewis #52 of the Baltimore Ravens runs onto the field prior to Super Bowl XLVII against the San Francisco 49ers at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

Musician Alicia Keys performs the National Anthem prior to the start of 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 Chris Graythen/Getty Images)

Dancers perform on the field during Super Bowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

Alicia Keys performs the National Anthem 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 Ronald Martinez/Getty Images)

Cheerleaders dance before the San Francisco 49ers play the Baltimore Ravens in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jim Young

Musician Alicia Keys bows after singing the National Anthem prior to the start of 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 Jamie Squire/Getty Images)

Cheerleaders look on before the San Francisco 49ers play the Baltimore Ravens in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jim Young

Singer Jennifer Hudson performs "America the Beautiful" with The Sandy Hook Elementary School Choir, from Newtown, Connecticut, prior to the NFL Super Bowl XLVII football game between the San Francisco 49ers and Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes