Amanda Serrano retained her undisputed featherweight titles with a unanimous points decision over Heather Hardy in Dallas.<\/span><\/p>\n Puerto Rican Serrano, 34, landed almost twice as many blows but praised her 41-year-old friend after judges scored the bout 99-91, 100-90, 100-90.<\/span><\/p>\n<\/div>\n “Heather is a hell of a fighter. She’s as tough as they come,” she said of the her fellow Brooklyn-based boxer.<\/span><\/p>\n Serrano’s manager, YouTuber Jake Paul, beat former UFC fighter Nate Diaz.<\/span><\/p>\n Serrano has signed with the Professional Fighters League to compete in MMA, along with Paul, and refused to call out future opponents after her victory.<\/span><\/p>\n She became undisputed featherweight boxing champion with a win over Erika Cruz in February that set up a potential rematch with Irish fighter Katie Taylor, who won their lightweight contest last year.<\/span><\/p>\n But the Puerto Rican withdrew from the rematch with injury, and Britain’s Chantelle Cameron stepped in to inflict Taylor’s first professional defeat.<\/span><\/p>\n Paul, who has more than 20 million YouTube subscribers, was on the same the bill against fellow American Diaz at the American Airlines Center.<\/span><\/p>\n In his eighth professional fight, he bounced back from his first defeat against Tommy Fury in February.<\/span><\/p>\n The 26-year-old knocked Diaz – making his pro boxing debut – to the canvas in the fifth round of their 10-round contest.<\/span><\/p>\n But he was made to work for his unanimous points victory by the 38-year-old Diaz, who left the UFC after 15 years in 2022.<\/span><\/p>\n![\"Jake](\"https:\/\/ichef.bbci.co.uk\/onesport\/cps\/624\/cpsprodpb\/112FC\/production\/_130669307_gettyimages-1595552307.jpg\")
<\/span><\/span>