Visit PremierBoxingChampions.com for more info. The FS1 and FOX Deportes opening bout featured a hard-fought rematch between Jeison Rosario (18-1-1, 13 KOs) and Marcos Hernandez (13-2-1, 3 KOs). In February of 2018, the two fought to a draw. In the rematch, Rosario was able to secure a technical knockout with referee Celestino Ruiz halting the action 2:45 into the ninth frame. At the time of the stoppage, Hernandez was up on judge Kyle Shiely's scorecard (77-75) with Rosario ahead on judges John Mariano's and Tim Taggart's scorecards (78-74, 77-75). "He let his guard down and he kept making the same mistakes," said Rosario. "When I saw the opportunity, I dropped him. "The first time we fought I wasn't ready," added Rosario. "I was weak. But I learned from the first fight what to do in the second one. That's how I took him out." "It was a close fight that could have went either way," said Hernandez. "He hit me with a good shot. I got up and felt O.K. I was just trying to dodge so