What is the greatest speed discrepancy between two top / elite boxers?

[bboy80]

Calzaghe V Lacy

[Warrior Scholar]

Any of Roy Jones Jr's prime fights.

[Warrior Scholar]

Calzaghe V Lacy

I saw this as a teenager. I couldn't believe it. I thought Lacy was going to give him a good fight and he ended up looking like an infant without a bottle for the whole fight. Could not believe it.

[uppercut510]

Floyd baldomir

[Mrsantiago]

They weren't in their prime that's true.

Yeah but not to take anything away from Ali or Pacman they did what they had to do.

[Vlad_]

Indeed, Canelo was sure running fast. GGG turned him into Usain Bolt.

[Dodger07]

Dirrell-froch
Pac-diaz
Linares-Demarco
Calzaghe-lacy
Mayweather-gatti