Mike Tyson is an underdog against Jake Paul in their July 20 fight at AT&T Stadium in Arlington, Texas. The heavyweight fight between Paul, 27, and Tyson, who will turn 58 in June, was officially sanctioned by the Texas Department of Licensing and Regulations on Monday, and sportsbooks quickly posted odds. Paul, was listed as a -195 favorite on Thursday at ESPN BET, with Tyson a +150 underdog at the sportsbook.