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He also said he is not nervous about the upcoming bout, an event boxing fans have been demanding for years.
"I'm excited for the fight. I have peace of mind. I'm confident."
While Pacquiao should see at least $80 million from the fight, Mayweather is expected to make $200 million.
They aren't the only ones raking in money. Pay-per-view purchases could generate $300 million, a CNBC analysis found. Tickets for the bought at the MGM Grand in Las Vegas may haul in $70 million, according to The New York Times. Then there are international broadcasts, which could take in $35 million. Licensing fees for closed-circuit broadcasts could fetch $13 million, sponsorship revenue may reach $12 million and $1 million in merchandise could be sold.
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Pacquiao said he plans to give some of his windfall to a foundation in the Philippines to help citizens there. He also bought land in the Philippines to build housing for those in need.
"I already bought the land but the problem is I need money so good thing it's a blessing this fight. I will earn big money and I can build a house for them," he said.