Katie Taylor beat Amanda Serrano for the third time, winning a majority decision on Friday night to remain the undisputed 140-pound champion.

After 10 rounds of slow-paced action, Taylor took her third razor-thin decision over Serrano to retain the undisputed junior welterweight title.

"The final chapter of Katie Taylor vs. Amanda Serrano, the headliner of the most stacked boxing card of the year, with a collection of top pound for pound fighters on this stage like the sport has ne...