Stephanie Han beats Holly Holm, Amanda Serrano sets boxing records

Stephanie Han defeated Holly Holm by majority decision (96-94, 96-94, 95-95) in their rematch on Saturday, defending her WBA world lightweight title and improving to 13-0. In the co-main event, Amanda Serrano beat Cheyenne Hanson by second-round TKO, tying Hall of Famer Christy Martin's all-time records for female boxers with 49 victories and 32 knockouts. Holm, 44, had previously lost to Han in January by unanimous decision after a headbutt halted the bout in the seventh round.