Boxers who you think would NOT have been so great if not for their size

[iwng100]

1. Tony Margarito as a welterweight
2. Brandon Rios as a lightweight and junior welterweight
3. Adrian Broner as a superfeather and lightweight
4. Saul Alvarez as a junior middleweight

I agree.
You can add on the list :
5. Julio Cesar Chavez Jr. as a Middleweight
6. Nonito Donaire as a flyweight and bantamweight