A pair of former UFC flyweight contenders will square off in the Rizin Fighting Federation 9 headliner when Kyoji Horiguchi meets Ian McCall on May 6.
The promotion on Wednesday announced the pairing, which will be contested at 134 pounds. Rizin FF 9 takes place at the Marine Messe Fukuoka in Fukuoka, Japan. Three other bouts were announced for the card: Manel Kape vs. Kai Asakura at 130 pounds, Kanna Asakura vs. Melissa Sophia Karagianis at atomweight and Kanako Murata vs. Weili Zhang at strawweight.