Fireworks burst over MetLife Stadium before the NFL Super Bowl XLVIII football game between the Seattle Seahawks and the Denver Broncos, Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Seth Wenig) (AP)

Denver Broncos' Knowshon Moreno reaches for a loose ball after the snap passed teammate Peyton Manning, left, during the first half of the NFL Super Bowl XLVIII football game Sunday, Feb. 2, 2014, in East Rutherford, N.J. Seattle Seahawks' Cliff Avril approached at right. (AP Photo/Paul Sancya) (AP)

Seattle Seahawks' Doug Baldwin (89) runs from Denver Broncos' Champ Bailey (24) after making a reception during the first half of the NFL Super Bowl XLVIII football game Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Ted S. Warren) (AP)

Denver Broncos' Peyton Manning (18) throws a pass during the first half of the NFL Super Bowl XLVIII football game against the Seattle Seahawks Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Charlie Riedel) (AP)

Seattle Seahawks strong safety Kam Chancellor (31) celebrates with teammates after intercepting a pass during the first half of the NFL Super Bowl XLVIII football game against the Denver Broncos Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Gregory Bull) (AP)

Seattle Seahawks' Malcolm Smith (53) celebrates as he returns an interception 69-yards for a touchdown during the first half of the NFL Super Bowl XLVIII football game against the Denver Broncos Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Evan Vucci) (AP)

The Red Hot Chili Peppers and Bruno Mars perform during the halftime show of the NFL Super Bowl XLVIII football game between the Seattle Seahawks and the Denver Broncos Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Matt York) (AP)

Seattle Seahawks' Percy Harvin (11) returns a kickoff 87-yards for a touchdown during the second half of the NFL Super Bowl XLVIII football game against the Denver Broncos Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Matt Slocum) (AP)

Denver Broncos' Demaryius Thomas catches a pass for a touchdown while covered by Seattle Seahawks' Byron Maxwell during the second half of the NFL Super Bowl XLVIII football game Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Mark Humphrey) (AP)

Denver Broncos quarterback Peyton Manning walks off the field after the Broncos lost to the Seattle Seahawks in the NFL Super Bowl XLVIII football game Sunday, Feb. 2, 2014, in East Rutherford, N.J. The Seahawks won 43-8. (AP Photo/Chris O'Meara) (AP)

Seattle Seahawks head coach Pete Carroll celebrates after the NFL Super Bowl XLVIII football game against the Denver Broncos Sunday, Feb. 2, 2014, in East Rutherford, N.J. The Seahawks won 43-8. (AP Photo/Ted S. Warren) (AP)

Seattle Seahawks' Malcolm Smith holds the Vince Lombardi Trophy after the NFL Super Bowl XLVIII football game against the Denver Broncos Sunday, Feb. 2, 2014, in East Rutherford, N.J. The Seahawks won 43-8. (AP Photo/Matt Slocum) (AP)