When did Margarito lose his prime?

[-Johannes-]

He lost hunger after Cotto. He felt like a king and fucked around December break, Mosley shattered him and Pacquiao completely broke him.

[120]

pre-fight preperations in the mosley fight.

[TheTruth!]

Margarito was a one-dimensional fighter who's "secret" won him fights by knockout. Once his "secret" was revealed, he was exposed as nothing more than Arum's media creation. "The most feared man in Boxing"