Former UFC fighter Todd Duffee (9-4, 1 NC) will be returning to Japan to make his debut for Rizin at Rizin 44. It was announced earlier today at a press conference that Duffee would take on former sumo fighter Tsuyoshi Sudario (7-2). Six other fights that were announced include Kleber Koike (36-6-1, 1 NC) vs Masanori Kanehara (30-14-5) and Spike Carlyle (14-5) vs Yoshinori Horie (12-4). Rizin 44 will be on September 24 from the Saitama Super Arena.