Justyna Haba

RIZIN 14 live from the Saitama Super Arena in Saitama, Japan. The biggest event in the promotion’s history features 14 fights in the final MMA event of the year. In the night’s headliner, boxing great Floyd Mayweather Jr. competes in the country of Japan for the first time in a three-round boxing exhibition with Japanese prodigy Tenshin Nasukawa, who is undefeated as a professional combat-sports athlete. The co-headliner features two of the best bantamweights in the world. Bellator bantamweight champion Darrion Caldwell challenges Kyoji Horiguchi for the inaugural RIZIN bantamweight title.

RIZIN 15 live from the Yokohama Arena in Yokohama, Japan. The promotion returns to Yokohama for the first time in two years with many of the biggest stars in the promotion. The inaugural Rizin light heavyweight title will be on the line when 2015 RIZIN Heavyweight GP winner King Mo meets the man he defeated to win the grand prix, Jiří Procházka. In the night’s co-headliner, RIZIN bantamweight champion Kyoji Horiguchi takes on former UFC flyweight Ben Nguyen. Since leaving the UFC with a 7-1 record, Horiguchi has won eight straight fights, including stoppages over Bellator champ Darrion Caldwell, former consensus No. 1 flyweight Ian McCall, and former King of Pancrase Shintaro Ishiwatari.