Complex sentence: Kunimoto made the move and signed with Rizin Fighting Federation and would make his debut facing Satoru Kitaoka on December 29,2017 at in a 75kg catchweight bout.
Split into simpler sentences: Kunimoto made the move and signed with Rizin Fighting Federation. He made his against Satoru Kitaoka on December 29,2017 at in a 75kg catchweight bout.