A second fight between Floyd Mayweather and Manny Pacquiao is looking like it could be a reality if Bob Arum is to be believed.

The Top Rank promoter recently spoke to TMZ and said Mayweather, who attended Pacquiao's fight against Jessie Vargas on November 5, is thinking about coming back to fight one more time. Pacquiao did admit that he invited Mayweather to take in the Vargas fight.

"Floyd called us and asked for tickets," Arum says. "It's a great sign. I'd love for the fight to happen. I'd make it 75% that it happens. Based on my experience, I feel like [Floyd's] getting the itch to come back."

Arum's "experience" is referring to knowing Pacquiao would come out of retirement after Pacquiao defeated Timothy Bradley in April. Pacquiao called it a career in order to focus on his political career in his native Philippines, but it was a brief retirement. He came back and defeated Vargas to become the new WBO welterweight champion.

Mayweather has remained adamant that he is staying retired. When the two first fought in 2015, Mayweather defeated Pacquiao via unanimous decision in a fight that broke pay-per-view records for the sport. Pacquiao was also the WBO welterweight champion heading into the first fight against the undefeated Mayweather. Mayweather fought one more time in 2015 against Andre Berto before hanging up his gloves.

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