Damon Feldman offered both artists US$1 million (Dh3.67m) each in addition to another million dollars to charity if both agree to don the gloves.
According to New York Daily News, the billionaire soda-king Alki David is behind the deal and hired Feldman to sound out the warring stars.
However, Feldman explains the bout would be designed to be less vicious than the brawl involving both artists' entourages in Manhattan's W.i.P club on June 14.
"Obviously they have a grudge," Feldman said. "It's just three one-minute rounds. No one will get seriously hurt."
A Brown spokesperson told the paper the singer "never heard" of the deal.
House-hunting
Top 10 locations for inquiries from US house hunters, according to Rightmove
- Edinburgh, Scotland
- Westminster, London
- Camden, London
- Glasgow, Scotland
- Islington, London
- Kensington and Chelsea, London
- Highlands, Scotland
- Argyll and Bute, Scotland
- Fife, Scotland
- Tower Hamlets, London
Tonight's Chat on The National
Tonight's Chat is a series of online conversations on The National. The series features a diverse range of celebrities, politicians and business leaders from around the Arab world.
Tonight’s Chat host Ricardo Karam is a renowned author and broadcaster who has previously interviewed Bill Gates, Carlos Ghosn, Andre Agassi and the late Zaha Hadid, among others.
Intellectually curious and thought-provoking, Tonight’s Chat moves the conversation forward.
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Analysis
Members of Syria's Alawite minority community face threat in their heartland after one of the deadliest days in country’s recent history. Read more