The slap heard 'round the world struck Jake Paul on the left cheek Thursday night. Mike Tyson whipped his open-palmed right hand across Paul’s face at the weigh-in before their wild and weird and puzzling event.

Paul and Tyson will fight in eight, two-minute rounds rather than the standard 10-12 rounds at three minutes each. There will also be a difference in the gloves worn. Both fighters will wear heavier 14-ounce gloves rather than the usual 10-ounce gloves.

Mike Tyson takes on Jake Paul in an eight-round heavyweight match at AT&T Stadium in Arlington, Texas, on Friday night (Netflix, 8 p.m. ET). The fight, sanctioned by the Texas Department of Licensing and Regulation,