Fans take photos with Green Bay Packers linebacker Clay Matthews on the field during the NFL Hall of Fame preseason game against the Indianapolis Colts in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

A fan gets her shirt signed after the NFL Hall of Fame between the Indianapolis Colts and the Green Bay Packers was cancelled due to field conditions in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

A fan runs on the field after the NFL Hall of Fame game is cancelled Canton, Ohio on Sunday, Aug. 7, 2016. (Anna Papuga/NFL)

Hall of Fame Enshrinee Kevin Greene talks with members of the Green Bay Packers on the field after the NFL Hall of Fame between the Indianapolis Colts and the Green Bay Packers was cancelled due to field conditions in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

Former NFL player Brett Favre shakes hands with Green Bay Packers quarterback Aaron Rodgers (12) during an NFL preseason football game against the Indianapolis Colts at Tom Benson Hall of Fame Stadium on Sunday, Aug. 7, 2016 in Canton, Ohio. The game was cancelled due to poor playing conditions. (Aaron M. Sprecher via AP)

Green Bay Packers' Ty Montgomery (88) and former Packer Hall of Fame quarterback Brett Favre, right, get together on the field at Tom Benson Hall of Fame Stadium after the preseason NFL football game was cancelled due to unsafe playing conditions, Sunday, Aug. 7, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Former NFL player Brett Favre smiles during an NFL preseason football game between the Green Bay Packers against the Indianapolis Colts at Tom Benson Hall of Fame Stadium on Sunday, Aug. 7, 2016 in Canton, Ohio. The game was cancelled due to poor playing conditions. (Aaron M. Sprecher via AP)

Indianapolis Colts head coach Chuck Pagano talks with Hall of Fame Enshrinee Tony Dungy on the field after the NFL Hall of Fame between the Indianapolis Colts and the Green Bay Packers was cancelled due to field conditions in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

Green Bay Packers defensive coordinator Dom Capers on the field with Packers linebacker Lerentee McCray after the NFL Hall of Fame between the Indianapolis Colts and the Green Bay Packers was cancelled due to field conditions in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

As the Green Bay Packers, left, and Indianapolis Colts, right, line the field Pro Football Hall of Fame President David Baker, center, announces that the preseason NFL football game between the Green Bay Packers and the Indianapolis Colts at Tom Benson Hall of Fame Stadium was cancelled due to unsafe field conditions caused by the painted logo at midfield, Sunday, Aug. 7, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

The Green Bay Packers and the Indianapolis Colts walk onto the field at Tom Benson Hall of Fame Stadium after their scheduled preseason NFL football game was cancelled due to unsafe field conditions caused by the painted logo at midfield, Sunday, Aug. 7, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Indianapolis Colts quarterback Andrew Luck walks onto the field after the NFL Hall of Fame between the Indianapolis Colts and the Green Bay Packers was cancelled due to field conditions in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

Green Bay quarterback Aaron Rodgers walks onto the field after the NFL Hall of Fame between the Indianapolis Colts and the Green Bay Packers was cancelled due to field conditions in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

The ground crew at Tom Benson Hall of Fame Stadium check the turf after scraping the painted logo off the center of the field before an NFL preseason football game between the Green Bay Packers and the Indianapolis Colts, Sunday, Aug. 7, 2016, in Canton, Ohio. (AP Photo/Ron Schwane)

The ground crew at Tom Benson Hall of Fame Stadium scrape the painted logo off the center of the field before an NFL preseason football game between the Green Bay Packers and the Indianapolis Colts, Sunday, Aug. 7, 2016, in Canton, Ohio. (AP Photo/Ron Schwane)

Green Bay Packers quarterback Aaron Rodgers (12) looks on prior to an NFL preseason football game against the Indianapolis Colts at Tom Benson Hall of Fame Stadium on Sunday, Aug. 7, 2016 in Canton, Ohio. (Aaron M. Sprecher via AP)

Green Bay Packers linebacker Clay Matthews warms up prior to the NFL Hall of Fame preseason game against the Indianapolis Colts in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg/NFL)

A general view of the field prior to the NFL Hall of Fame preseason game against the Indianapolis Colts in Canton, Ohio on Sunday, Aug. 7, 2016. (Ben Liebenberg via AP)

Former NFL player Marvin Harrison delivers his speech during an induction ceremony at the Pro Football Hall of Fame Saturday, Aug. 6, 2016, in Canton, Ohio. (AP Photo/David Richard)

Pro Football Hall of Fame class of 2016 member Kevin Greene is introduced during an induction ceremony at the Pro Football Hall of Fame Saturday, Aug. 6, 2016, in Canton, Ohio. (AP Photo/David Richard)

Fireworks explode over the Pro Football Hall of Fame at the conclusion of the induction of the class of 2016 into the Pro Football Hall of Fame Saturday, Aug. 6, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Former Green Bay Packers quarterback Brett Favre speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Green Bay Packers quarterback Brett Favre speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Green Bay Packers quarterback Brett Favre speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Green Bay Packers quarterback Brett Favre speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Green Bay Packers quarterback Brett Favre speaks on the NFL Network set following the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Green Bay Packers Hall of Famer Brett Favre, center, speaks on the NFL Network set with Rich Eisen, Steve Mariucci, Marshall Faulk, Kurt Warner, and Michael Irvin following the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Green Bay Packers quarterback Brett Favre unveils his bust with his wife, Deanna Favre, during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Green Bay Packers quarterback Brett Favre speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Indianapolis Colts coach Tony Dungy poses for a photo with his bust during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Edward DeBartolo Jr. speaks as with San Francisco 49ers Hall of Famer Jerry Rice looks on during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Edward DeBartolo Jr. celebrates with Jerry Rice during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Edward DeBartolo Jr. speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Edward DeBartolo Jr. celebrates with San Francisco 49ers Hall of Famers Joe Montana, Jerry Rice and Steve Young during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Pittsburgh Steelers linebacker Kevin Greene waves the Terrible Towel backstage with his bust during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

A detail view of Ken Stabler's bust is seen during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former Pittsburgh Steelers linebacker Kevin Greene speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Hall of Fame Enshrinee Kevin Greene during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former NFL player Orlando Pace, right, and his son Justin Pace pose with his bust during an induction ceremony at the Pro Football Hall of Fame, Saturday, Aug. 6, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Former St. Louis Rams tackle Orlando Pace speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Pro Football Hall of Fame executive director David Baker presents ESPN's Chris Mortensen with the Dick McCann Award during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Former NFL football player Marvin Harrison, right, poses with his presenter, Indianapolis Colts owner Jim Irsay, left, and his bust during an induction ceremony at the Pro Football Hall of Fame, Saturday, Aug. 6, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Former Indianapolis Colts wide receiver Marvin Harrison speaks during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Hall of Fame enshrinees Eddie DeBartolo Jr., Tony Dungy and Brett Favre look on during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Hall of Famer Fred Biletnikoff arrives during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Hall of Famer Willie Brown arrives during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Pro Football Hall of Fame executive director David Baker arrives during the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

From left, Rich Eisen, Steve Mariucci, Marshall Faulk,Peyton Manning, Kurt Warner and Michael Irvin speak on the NFL Network set prior to the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Peyton Manning speaks on the NFL Network set prior to the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

The bust of Dan Marino is seen during the 2016 Pro Football Hall of Fame enshrinement week at the Pro Football Hall of Fame in Canton, Ohio on Aug. 5, 2016. (Ben Liebenberg/NFL)

Hall of Fame 2016 covered inductee bronze busts are seen prior to the Pro Football Hall of Fame enshrinement ceremony at the Tom Benson Hall of Fame Stadium in Canton, Ohio on Aug. 6, 2016. (Ben Liebenberg/NFL)

Brett Farve fans wait for the beginning of induction ceremony at the Pro Football Hall of Fame, Saturday, Aug. 6, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Tim McGraw performs during the 2016 Pro Football Hall of Fame concert at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Tim McGraw performs during the 2016 Pro Football Hall of Fame concert at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Pro Football Hall of Fame 2016 inductee Brett Favre talks to reporters Friday, Aug. 5, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Pro Football Hall of Fame 2016 inductee Tony Dungy, left, talks with reporters Friday, Aug. 5, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Pro Football Hall of Fame 2016 inductee Orlando Pace talks to reporters Friday, Aug. 5, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Pro Football Hall of Fame 2016 inductee Edward J. DeBartolo, Jr., talks with reporters Friday, Aug. 5, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Pro Football Hall of Fame 2016 inductee Kevin Greene talks with reporters Friday, Aug. 5, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Pro Football Hall of Fame 2016 inductee Marvin Harrison talks with reporters Friday, Aug. 5, 2016, in Canton, Ohio. (AP Photo/Gene J. Puskar)

Pro Football Hall of Fame Class of 2016 Brett Favre, Edward J. DeBartolo Jr., Orlando Pace, Kevin Greene, Marvin Harrison and Tony Dungy attend the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Hall of Famers attend the 2016 Pro Football Hall of Fame group photo at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Buffalo Bills Hall of Famers Bruce Smith, Jim Kelly, James Lofton, Andre Reed, Bill Polian, Marv Levy and Billy Shaw attend the 2016 Pro Football Hall of Fame group photo at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

NFL commissioner Roger Goodell speaks during the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Jerry Rice wearing his Pro Football Hall of Fame Ring of Excellence attends the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Pro Football Hall of Fame inductee Brett Favre gets his gold jacket at the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Pro Football Hall of Fame inductee Tony Dungy gets his gold jacket at the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Michael Irvin, Warren Moon,Steve Young and Jerry Rice attend the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Singer Paul Anka performs during the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Pro Football Hall of Fame Class of 2016 Brett Favre, Edward J. DeBartolo Jr., Orlando Pace, Kevin Greene, Marvin Harrison and Tony Dungy attend the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Brett Favre attends the 2016 Pro Football Hall of Fame Gold Jacket dinner at the Civic Center in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Bob Griese autographs a football during the 2016 Pro Football Hall of Fame enshrinement week at the Holiday Inn in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Fans attend the First Ball event at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Anna Papuga/NFL)

Fans attend the First Ball event at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Anna Papuga/NFL)

The Pro Football Hall of Fame is seen during the First Ball event in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Fans attend the First Ball event at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Anna Papuga/NFL)

A general view during the First Ball event at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

A football is passed along during the First Ball event arriving at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

Former NFL coach Jon Gruden coaches participants during the Play Football event at The Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)

NFL commissioner Roger Goodell coaches participants during the Play Football event at the Pro Football Hall of Fame in Canton, Ohio on Aug. 4, 2016. (Ben Liebenberg/NFL)