Green Bay Packers linebacker Clay Matthews (57) being interviewed on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Green Bay Packers linebacker Clay Matthews (57) being interviewed on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Minnesota Vikings quarterback Teddy Bridgewater (5) being interviewed on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Minnesota Vikings quarterback Teddy Bridgewater (5) being interviewed on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Cincinnati Bengals quarterback Andy Dalton (14) being interviewed by Fantasy Football analysts (L-R) Matt Smith and Dave Dameshek at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Pittsburgh Steelers running back Le'Veon Bell (26) being interviewed at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Pittsburgh Steelers running back Le'Veon Bell (26) being interviewed at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Actor Josh Gad being interviews on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Cincinnati bengals quarterback Andy Dalton (14) being interviewed on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

National TV football analyst Jay Glazer being interviewed on a radio show at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Pittsburgh Steelers running back Le'Veon Bell (26) being interviewed by Fan Pass host Shawn Murray at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Cincinnati Bengals quarterback Andy Dalton (14) being interviewed by Fantasy Football analysts (L-R) Matt Smith and Dave Dameshek at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Cincinnati Bengals quarterback Andy Dalton (14) being interviewed by Fantasy Football analysts (L-R) Matt Smith and Dave Dameshek at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Pittsburgh Steelers running back Le'Veon Bell (26) being interviewed by Fantasy Football analysts (L-R) Matt Smith and Dave Dameshek at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Singer Katy Perry has a laugh on set during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Perry Knotts/NFL)

Singer Katy Perry poses with fans during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Perry Knotts/NFL)

Singer Katy Perry poses with fans during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Perry Knotts/NFL)

Singer Katy Perry speaks during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Singer Katy Perry speaks during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Singer Katy Perry speaks during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Singer Katy Perry speaks during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Singer Katy Perry speaks during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Katy Perry throws a football at a halftime news conference for NFL Super Bowl XLIX football game Thursday, Jan. 29, 2015, in Phoenix. (AP Photo/Morry Gash)

Singer Katy Perry speaks during a press conference for the Super Bowl XLIX halftime show at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Perry Knotts/NFL)

Singer Idina Menzel speaks during a press conference for the Super Bowl XLIX national anthem at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Singer Idina Menzel speaks during a press conference for the Super Bowl XLIX national anthem at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Perry Knotts/NFL)

Singer Idina Menzel speaks during a press conference for the Super Bowl XLIX national anthem at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Chicago Bears cornerback Charles Tillman speaks on the NFL Network set at the Phoenix Convention Center on Thursday, January 29, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

A fan rappels down a climbing wall at Super Bowl Central on Wednesday, January 28, 2015 in Phoenix, AZ. (Perry Knotts/NFL)

NFL Network's Michael Irvin and Warren Sapp share a laugh on set on Wednesday, January 28, 2015 in Phoenix, AZ. (Perry Knotts/NFL)

Former NFL defensive lineman Bob Golic is interviewed on Radio Row Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Hall of Fame cornerback Mike Haynes is interviewed by NFL Network host Matt "Money" Smith and Dave Dameshek on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Former NFL fullback Lorenzo Neal is interviewed on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

UFC President Dana White is interviewed on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Washington Redskins wide receiver Andre Roberts (12) is interviewed on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Arizona Cardinals defensive end Calais Campbell (93) is interviewed by Hall of Fame running back and NFL Network host Marshall Faulk on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Former NFL safety Rodney Harrison plays a game with NFL Network host Matt " Money" Smith on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Former Pittsburgh Steelers wide receiver Hines Ward is interviewed on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Former Pittsburgh Steelers wide receiver Hines Ward shows his The Super Bowl ring while being interviewed on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Former Tampa Bay Buccaneers defensive lineman Simeon Rice signs autographs for kids on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

A general View of Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Buffalo Bills running back Fred Jackson (22) is interviewed by NFL Network host Matt "Money" Smith on Radio Row on Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Young fans climb a rock climbing wall while at Super Bowl Central in Downtown Phoenix, Arizona on Wednesday January 28, 2015 (Perry Knotts/ NFL)

A general view of downtown Phoenix in preparation for Super Bowl XLIX on Tuesday, January 27, 2015. (Perry Knotts/NFL)

A general view of downtown Phoenix in preparation for Super Bowl XLIX on Tuesday, January 27, 2015. (Perry Knotts/NFL)

A general view of downtown Phoenix in preparation for Super Bowl XLIX on Tuesday, January 27, 2015. (Perry Knotts/NFL)

A general view of downtown Phoenix in preparation for Super Bowl XLIX on Tuesday, January 27, 2015. (Perry Knotts/NFL)

Two-year-old Kai Ezell-Tapia, from Phoenix, chases a moving Super Bowl XLIX logo as it is projected on the floor at the NFL Experience Saturday, Jan. 24, 2015, in Phoenix. (AP Photo/Charlie Riedel)

William Steiner, from Glendale, Ariz., takes a picture of the Vince Lombardi Trophy at the Super Bowl XLIX NFL Experience Saturday, Jan. 24, 2015, in Phoenix. (AP Photo/Charlie Riedel)

Diego Santa Cruz, 8, from Phoenix, poses for a photo in a set of Roman numerals at the Super Bowl XLIX NFL Experience Saturday, Jan. 24, 2015, in Phoenix. (AP Photo/Charlie Riedel)

IMAGE DISTRIBUTED FOR NFL - From left, Singer/performer Jordin Sparks, NFL Tweens Juniors Apparel Brand Ambassador and actress/singer, Miranda Cosgrove, and NFL Creative Style Director for NFL Women's Apparel, Phillip Bloch signs autographs for fans at the Super Bowl XLIX NFL SHOP Grand Opening, Saturday, Jan. 24, 2015 in Phoenix. (Doug Benc/AP Images for the NFL)

A worker sweeps outside the University of Phoenix Stadium before the Pro Bowl Sunday, Jan. 25, 2015, in Glendale, Ariz. The venue will also host Super Bowl XLIX between the New England Patriots and the Seattle Seahawks on Sunday, Feb. 1, 2015. (AP Photo/Charlie Riedel)

IMAGE DISTRIBUTED FOR FEDEX - Torry Holt, Super Bowl XXXIV champion as a member of the St. Louis Rams, helps with the final delivery of the Vince Lombardi Trophy to NFL Experience Engineered by GMC on Saturday, Jan. 24, 2015 in Phoenix. As the Official Delivery Service Sponsor of the NFL, FedEx ensured the safe and on-time delivery of the iconic Vince Lombardi Trophy for Super Bowl XLIX. (Photo by Omar Vega/Invision for FedEx/AP)

A sign for the Super Bowl XLIX Media Center in the Phoenix Convention Center on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

Workers install a Super Bowl XLIX banner on the Bank of America Tower on Monday, January 26, 2015 in Phoenix. The Seattle Seahawks will face the New England Patriots in Super Bowl XLIX at University of Phoenix Stadium on Sunday, February 1st. (Perry Knotts/NFL)

A Super Bowl XLIX banner hangs inside Radio Row inside the Media Center in the Phoenix Convention Center on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

IMAGE DISTRIBUTED FOR FEDEX - Torry Holt, Super Bowl XXXIV champion as a member of the St. Louis Rams, helps with the final delivery of the Vince Lombardi Trophy to NFL Experience Engineered by GMC on Saturday, Jan. 24, 2015 in Phoenix. As the Official Delivery Service Sponsor of the NFL, FedEx ensured the safe and on-time delivery of the iconic Vince Lombardi Trophy for Super Bowl XLIX. (Photo by Omar Vega/Invision for FedEx/AP)

A train passes through downtown Phoenix on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

Workers install a Super Bowl XLIX banner on the Bank of America Tower on Monday, January 26, 2015 in Phoenix. The Seattle Seahawks will face the New England Patriots in Super Bowl XLIX at University of Phoenix Stadium on Sunday, February 1st. (Perry Knotts/NFL)

A general view of fans at Super Bowl Central in Downtown Phoenix, Arizona on Wednesday January 28, 2015 (Perry Knotts/ NFL)

An exhibit of Super Bowl rings at the Super Bowl XLIX Media Center in the Phoenix Convention Center on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

A fan poses with the Vince Lombardi Trophy at the Super Bowl XLIX Media Center in the Phoenix Convention Center on Thursday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

Fans look at Super Bowl rings at the Super Bowl XLIX Media Center in the Phoenix Convention Center on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

Fans look at Super Bowl rings at the Super Bowl XLIX Media Center in the Phoenix Convention Center on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

Fans look at the Vince Lombardi Trophy at the Super Bowl XLIX Media Center in the Phoenix Convention Center on Monday, January 26, 2015 in Phoenix. (Perry Knotts/NFL)

A general view of the Hyatt Hotel with Super Bowl XLIX displays in the downtown Phoenix on Monday, January 26, 2015. (Perry Knotts/NFL)

Former Baltimore Ravens head coach Brian Billick is interviewed on Radio Row Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Former Los Angeles Raiders and New England Patriots Hall of Fame cornerback Mike Haynes is interviewed on Radio Row Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Carolina Panthers tight end Greg Olsen is interviewed on Radio Row Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

WBC world heavyweight champion Deontay Wilder is interviewed on Radio Row Wednesday, January 28, 2015 in Phoenix, Arizona. (Perry Knotts/ NFL)

Seattle Seahawks head coach Pete Carroll during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

New England Patriots head coach Bill Belichick during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Seattle Seahawks head coach Pete Carroll during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Seattle Seahawks head coach Pete Carroll and New England Patriots head coach Bill Belichick during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

New England Patriots head coach Bill Belichick has a laugh on stage during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Seattle Seahawks head coach Pete Carroll and New England Patriots head coach Bill Belichick smile on stage during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Seattle Seahawks head coach Pete Carroll and New England Patriots head coach Bill Belichick address one another on stage during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

General view of the Super Bowl XLIX trophy with a helmet from both the Seattle Seahawks and the New England Patriots during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, Ariz. (Ben Liebenberg/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

Roger Goodell speaks during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Perry Knotts/NFL)

(L-R) Green Bay Packers President and CEO Mark Murphy, Carolina Panthers outside linebacker Thomas Davis, and San Francisco 49ers wide receiver Anquan Boldin pose for a photo during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Carolina Panthers outside linebacker Thomas Davis, left, and San Francisco 49ers wide receiver Anquan Boldin pose for a photo during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Carolina Panthers outside linebacker Thomas Davis speaks during a press conference for the Walter Payton Man of the Year award at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

San Francisco 49ers wide receiver Anquan Boldin speaks during a press conference for the Walter Payton Man of the Year award at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Former Miami Dolphins head coach Don Shula, left, poses for a photo with Somerset High School coach Bruce Larson during a press conference for the Don Shula NFL High School Coach of the Year award at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Former Miami Dolphins head coach Don Shula, left, poses for a photo with Somerset High School coach Bruce Larson during a press conference for the Don Shula NFL High School Coach of the Year award at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

Carolina Panthers outside linebacker Thomas Davis, left, and San Francisco 49ers wide receiver Anquan Boldin pose for a photo during a press conference for Super Bowl XLIX at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)

San Francisco 49ers wide receiver Anquan Boldin, center, speaks during a press conference for the Walter Payton Man of the Year award at the Phoenix Convention Center on Friday, January 30, 2015, in Phoenix, AZ. (Ben Liebenberg/NFL)