User blog comment:TheToughGuy/My Question To You All: No. 12/@comment-4059927-20121124042906/@comment-4059927-20121125040640

Maybe it was due to the fact that the Rex in Jurassic Park 3 was younger then the ones in the other two. It's bite force hadn't matured perhaps. But if the T-Rex from Jurassic park 1 was the one fighting the Spinosaurus then obviously that one would have an easy victory.