Pound-for-pound king Floyd Mayweather Jr. is gunning for a knockout win over Marcos Maidana in their WBA and WBC welterweight championship rematch at MGM Grand Garden on September 14 in Las Vegas, Nevada.

Mayweather, who hasn't scored a TKO win since dropping Victor Ortiz in their highly-controversial fight in 2011, stressed he's looking for a KO win over Maidana despite the fact that he's not really known as big puncher.

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"I'm going for the knockout...there's always danger, even when the guy is not a big puncher...I'm coming to make a statement," Mayweather said in an interview with Fight Hype

The Grand Rapids native added that he's not going to make any adjustment in his second match with Maidana, adding he's up for another stern test with the Argentine brawler.

"I don't have to make no adjustments; he do. I won. He has to make adjustments; I don't...I try not to take no shots...I don't want to be known as a guy that can take a good shot," said Mayweather, who boasts a record of 46-0 with 26 Kos.

When asked on how he prepared for his upcoming fight, Mayweather revealed that his team pitted him against several sparring partners that used the same rugged technique employed by Maidana in his fights.

"We used some guys that have the same style [as Maidana] in this training camp. We used some guys that threw a lot of looping, wild shots, you know, very, very strong, rugged guys. We had different looks."

With few days left before the showdown, Mayweather revealed that he sought help from Maidana's former conditioning trainer, Alex Ariza, for the fight - which is something the Argentine is not paying too much attention.

"No, it doesn't bother me. He's a physical trainer. He's gotta find work. He was left without work with me, so he found work. It doesn't bother me," said Maidana, who worked with Ariza in the fight against Adrien Broner last December and the first fight with Mayweather last May.

For more Floyd Mayweather vs. Marcos Maidana update, read more at China Topix

TagsFloyd Mayweather Jr, Marcos Maidana, Boxing News, Mayhem