The Day of Reckoning, is the billing of an upcoming professional boxing event. While the fight card consists of eight fights, two heavyweight fights serve as co-main events. The first, Anthony Joshua vs Otto Wallin will be contested between English former WBA (Super), IBF, WBO, and IBO heavyweight champion Anthony Joshua and Swedish WBA inter-continental heavyweight champion Otto Wallin. The second, Deontay Wilder vs Joseph Parker, will be contested between American former WBC heavyweight champion Deontay Wilder and New Zealand IBF and WBO inter-continental heavyweight champion Joseph Parker.