Floyd Mayweather Jr.'s changing mind is difficult to follow, but boxing fans shouldn't count on a rematch with Manny Pacquiao. After initially saying that he would fight in September before calling it quits, Mayweather flip-flopped to say he would wait for Pacquiao to heal up and then give him a rematch.

Something has set Mayweather off though, because he switched positions again, insulted Pacquiao, and said he should fight on his undercard instead.

Mayweather explained the constant changes to Showtime's Jim Gray. "Did I text [ESPN's] Stephen A. Smith and say I will fight him again?" Mayweather told Gray.

"Yeah, but I change my mind. At this particular time, no, because he's a sore loser and he's a coward. ... If you lost, accept the loss and say, 'Mayweather, you were the better fighter.' "

Mayweather was probably referring to Pacquiao's initial comments that he won the fight because he was more aggressive, and then his assertions he was far from 100 percent because of a shoulder injury.

"Excuses, excuses, excuses," Mayweather said. "I'm not going to buy into the [expletive] and I don't want the public to buy into the [expletive]. He lost. He knows he lost. I lost a lot of respect for him after all of this."

In another interview with Fight Hype, Mayweather belittled Pacquiao, once a claimant to the pound-for-pound throne, by saying he should fight on a Mayweather undercard.

"I look forward to Pacquiao fighting on the undercard," Mayweather said. "...We could fight on pay-per-view on a doubleheader. I think we both can make some good money. He can fight somebody solid, I can fight somebody solid."

The frontrunner for a Mayweather fight in September is Amir Khan, who recently said Ramadan wouldn't affect him for a bout in the fall. "I'm not ruling out fighting in September because it's possible that it could happen," Khan said.

"Mayweather only fights in mid-September and Ramadan will be a little earlier this year, which helps. It gives me enough time to get the training done. So it can happen in September."

[Yahoo]