Re: Fighters who overcame all styles?
I just re-watched Leonard - Duran II (speaking of mastering styles). That was a brilliant, underated performance by Leonard. I actually watched I & II back to back. I didn't see a whole lot of difference in Duran's physique, although I'm sure he didn't train with quite as much vigor. But I'm just not buying the belly ache excuse. Leonard was starting to find the range with some big shots and Duran took the easy way out rather than getting stopped. I agree that Benitez, Duran, Hagler, Hearns were as diverse wins against great fighters as you can get.
I'd have to add Monzon. Benvenuti, Briscoe, Valdez, Griffith, Napoles. Though not as great and diverse as Leonard's list, it's pretty damn good. I'm just not sure we've seen Monzon's Kryptonite at Middleweight. I'd think of a big, sturdy guy with a really good jab. Trouble is, I'm thinking Light Heavys (Foster, Spinks, Saad).