Round 5 World of MMA Champions UFC Series 2 Action Figure Sean "Muscle Shark" Sherk It's time to get it on! One of the most popular growing sports! He packs quite a punch, kick, and won't tap out! Go head on and try to take down these superstars of the MMA. Better yet, take home this super-detailed and entertaining action figure! This Series 2 of World of MMA Champions Sean 'The Muscle Shark' Sherk action figure stands 6-inches tall, has 8 points of articulation, and feature highly accurate fight-gear attire, facial features, and his signature pose . Bring some nonstop MMA action at your house! Former UFC Lightwweight Champion Sean Sherk is shown in his blue fighting trunks.