Showcase MMA 18: Rumble on the River 4 took place in Little River, South Carolina at the Crab Catchers venue on April 17, 2021. This electrifying event featured five intense fights that kept fans on the edge of their seats. Experience the adrenaline of live mixed martial arts competition right by the beautiful coast of South Carolina. Don't miss the incredible talent and thrilling atmosphere that Showcase MMA brings to the community.