Spino vs trex was interesting aswell as spino wins 2/3 rounds against trex. Trex vs spino in this game both can be winner by just 1 thing. Biting each other’s vulnerable position. Theropods dinosaurs vulnerable point is the side of the body, neck or the side of the head. A bite at the side of the body, neck or side head of a theropod could make it harder for both trex or spino to fight or impossible to fight back. If a spinosaurus bites the trex vulnerable position such as the neck, the side or the side head. The spino could win, but if a trex does the same such as biting the spinosaurus vulnerable point by what we mention a trex will win. The battle will depend on who can bite each other’s vulnerable point more or longer on both dinosaurs.