Take a look at this glorious animal. It has grace. Power. Majesty. This is no lumbering hulk of a dinosaur, but a swift and graceful predator deserving our undying loyalty and respect.
It is a well-studied dinosaur, with many nearly-complete specimens housed in museums across America. We know an awful lot about Allosaurus, which makes it a prime candidate for progression into the next round.
Standing up to 5 meters tall and up to 9.7 meters long, Allosaurus was no small, weak predator. It accounts for up to ¾ of theropod specimens from the Morrison Formation where its fossils are found, and was the top predator of its day.
Its feeding habits were precise, due to its light head, neck, and unusual muscle placement. (See this article for further details.) Its physiology was versatile, allowing it to better compete with all other predators of its day.
Powerful arms gave it a distinct edge in the hunting department, as Allosaurus was not limited to the use of teeth and feet to kill its prey…like some other dinosaurs we could mention.
(Image from Walking With Dinosaurs)
TL;DR Allosaurus was a dinosaur of rare beauty, magnificence, and might. It is superior in every possible way to T. rex.