Former Green Bay Packers NFL football quarterback Brett Favre at Lambeau Field prior to his induction in to the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Fans watch former Green Bay Packers quarterback Brett Favre give a speech at Lambeau Field prior to his induction to the Packers Hall of Fame and having his No. 4 jersey retired, Saturday, July 18, 2015. in Green Bay, Wis. (AP Photo/Mike Roemer)

Former Green Bay Packers quarterback Brett Favre hugs Anna Walentowski, 17, of Neenah, Wis., before the Brett Favre's Legend Game Sunday, July 19, 2015, at Camp Randall Stadium in Madison, Wis. Walentowski is a 2004 Make-A-Wish Foundation recipient. Favre was inducted into the Packers Hall Fame Saturday. (AP Photo/Andy Manis)

Former Green Bay Packers NFL football quarterback Brett Favre at Lambeau Field prior to his induction in to the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Former Green Bay Packers NFL football quarterback Brett Favre waves to fans as he walks onto Lambeau Field prior to his induction into the Packers Hall of Fame and having his No. 4 jersey retired, Saturday, July 18, 2015 in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers fans at Lambeau Field prior to Brett Favre's induction in to the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Former Green Bay Packers NFL football quarterback Brett Favre talks at a news conference prior to being inducted into the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers fans at Lambeau Field prior to Brett Favre's induction in to the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Former Green Bay Packers NFL football quarterback Brett Favre at Lambeau Field with friends and family prior to his induction in to the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Former Philadelphia Eagles quarterback Donovan McNabb passes during the first half of Brett Favre's Legends Game in a flag football game Sunday, July 19, 2015, at Camp Randall Stadium in Madison, Wis. (AP Photo/Andy Manis)

Former Green Bay Packers NFL football quarterback Brett Favre at Lambeau Field with friends and family prior to his induction in to the Packers Hall of Fame and having his No. 4 jersey retired Saturday July 18, 2015, at Lambeau Field in Green Bay, Wis. (AP Photo/Mike Roemer)

Former Green Bay Parkers quarterback Brett Farve looks to pass during the first half of Brett Favre's Legends Game in a flag football game Sunday, July 19, 2015, at Camp Randall Stadium in Madison, Wis. (AP Photo/Andy Manis)

Former Green Bay Packers quarterback Brett Favre, left, watches a highlight reel on his career as his daughters Breleigh, right, and Brittany, middle, and Brittany's husband, Alex Mallion, cheer at Lambeau Field on Saturday, July 18, 2015, in Green Bay, Wis. Favre was inducted into to the Packers Hall of Fame and had his No. 4 jersey retired. (AP Photo/Mike Roemer)