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Dallas, Texas – Manny Pacquiao shrugged off Floyd Mayweather Jnr's online video rant against him as an “uneducated message” on Friday as the Filipino fighter continued to tout his November bout with Antonio Margarito.

“I just heard about that, but I didn't see the video,” Pacquiao said of the short clip posted on the internet, in which Mayweather unleashes a sometimes racist and expletive-filled tirade slamming Pacquiao, a newly elected congressman in the Philippines.

In the video, Mayweather renews his accusation that Pacquiao used performance-enhancing drugs – a charge that prompted Pacquiao to sue him when Mayweather made the claim during failed negotiations to put together a bout.

“It's a really cheap low blow, but again, consider where it came from,” said Pacquiao trainer Freddie Roach. “We tried to fight him. He said no. He doesn't want to fight.”

Pundits have predicted a fight between unbeaten Mayweather and pound-for-pound king Pacquaio could be the richest in boxing history.

When the two couldn't reach a deal in January, Pacquiao fought Joshua Clottey, defeating him in March at Cowboys Stadium.

When negotiations broke down again in recent months, Pacquiao turned his attention to Margarito.

The two will fight for a vacant junior middleweight title on November 13 at Cowboys Stadium, the billion-dollar home of the Dallas Cowboys NFL team.

It's not clear when the Mayweather video was made, but it appeared online this week as Pacquiao and Margarito conducted a three-city tour promoting their bout.

After stops in Los Angeles and New York, the tour ended on Friday at Cowboys Stadium.

Pacquiao, 31, said he's only planning a couple more fights before retiring from the ring and he indicated it wouldn't matter to him if he doesn't face Mayweather.

“I'm not looking for that fight,” said Pacquiao, who boasts a record of 51-3-2 with 38 knockouts. “I'm satisfied with what I've done in boxing already.”

Still, the seven-division champion said earlier this week that he would take on Mayweather if the fight could be put together.

For now, Pacquiao is focused on Mexico's Margarito, who last fought in the United States in January 2009. He was suspended for one year because a plaster-like substance was found in his hand wraps before fighting Shane Mosley.

Margarito, who owns a record of 38-6 with 27 knockouts, was denied a license to fight in California and Nevada before Texas boxing authorities approved his application. – Sapa-AFP