“Who Will Win“
A fight would take place but these differences and similarities will decide who wins. The Amigo Brothers were both great boxers but, they had different strategies.
Here are their similarities. Antonio and Felix were the best lightweight boxers in their area. Which led them to have to fight in the golden cup against each other. Both 17 and in the golden cup boxing league this is what would make them win.

Now here's why they're different. Antonio was taller,weighed 133 lbs, had darker skin, and was long armed allowing him to get strong hits without having to get close. He mostly through jabs or piston like punches pounding one after another. Most of his hits were in great spots when they hit. Felix was short and stronger and