Calzaghe beats Mikkel Kessler and is on the rise.
Calzaghe getting floored by a shot Roy Jones Jr, and looks to be on the decline. And then retires less than 4 months later.
There lies one man between Calzaghe's rise and his decline, and that is none other than Bernard Hopkins:-
You can see from Calzaghe's face from the picture above,
he got mentally hurt.