Kyoji Horiguchi (30-5, 19 finishes) enters Saturday’s cross-promotional Bellator MMA vs. Rizin FF (8 p.m., Showtime) event in an unusual position. The Rizin bantamweight champion is representing Bellator as a flyweight against Rizin fighter Hiromasa Ougikubo (25-6-2, seven finishes), against whom Horiguchi is 2-0. In advance of Japan’s annual New Year’s Eve event at Saitama...