By Lou Aguila ( | First Posted: Aug 18, 2013 11:21 AM EDT

Floyd Mayweather vs. Canelo Alvarez (Photo : Reuters)

Saul Canelo Alvarez has reportedly been wreaking havoc in his training camp as of late, knocking out most of his partners during sparring sessions in Big Bear, California.

Alvarez, who's now at the peak of his training for his upcoming showdown with Floyd Mayweather Jr, has already floored four sparring partners in training.

"He's already sparring and knocked out four other sparring partners...everyone knows that he is very strong, and also has speed. And that will be the key to beat should be more than 1.5 million pay per view buys. I hope we get to 2 million," Golden Boy Promotions Vice President Eric Gomez told Univision on Saturday.

Canelo is considered as the biggest threat to Mayweather's immaculate record since Oscar De la Hoya pushed the pound-for-pound champ to a rugged 12-round battle in 2007. The Golden Boy lost the fight via split decision, but the card was the most lucrative ever, shattering pay-per-view and gate receipts records.

The Mayweather-Alvarez fight has already sold out all tickets and is expected to reach 2 million in pay-per-view buys.

In related news, Mayweather is reportedly done in considering Pacquiao as a possible opponent, saying he had given the Filipino champ the chance to make it happen in the past but he blew it away.

"That's probably how I was feeling at that particular time," Mayweather told MLive on Saturday. "I'm only human. Floyd Mayweather does contradict himself. I'm only human. I'm not perfect. I mean, I think we all do.

"How are things today? He's not going to get a chance to fight me. I was feeling that way weeks ago. Now, I'm feeling like I wouldn't even give him a chance. He had a chance, he blew it, so that's what it is," Mayweather added.

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