Erik Betts is credited as "Wong", but in the movie, he is announced as "Kong".
(at around 1h 7 mins) After Mongoose is killed, Hawk tells Ruben "Welcome to the finals, you're up next!". However, there are two other fights before Ruben and Hawk enter the ring.
(at around 1h 29 mins) In the end fight, Lee fights Shingo. Lee throws several punches to Shingo's head. Shingo dodges them, but you still hear a punch impact sound.