Watch Guillermo Rigondeaux vs. John Riel Casimero (2021) : Full Movie Online Free Two of the best bantamweights in the world clash as former unified champ Guillermo Rigondeaux faces John Riel Casimero for Casimero’s 118-pound belt. A longtime champion at 122 pounds, Rigondeaux moved down to capture a 118-pound belt in 2020 and now has his sights set on adding Casimero’s strap to his collection. Casimero is making the second defense of the title he won in 2019. Plus, unbeaten rising contender Antonio Russell faces the toughest test of his career in Emmanuel Rodriguez & Rau’shee Warren duels Damien Vazquez. Live on SHOWTIME.