Mayweather — Vs. Pacquiao

: Talks first fell apart over drug testing protocols. Mayweather demanded Olympic-style random blood and urine testing via USADA, which Pacquiao's camp initially resisted, leading to a defamation lawsuit.

: The deadlock finally broke in January 2015 after a chance meeting between the two fighters at a Miami Heat basketball game. The 2015 "Fight of the Century" mayweather vs. pacquiao

The saga of Floyd Mayweather Jr. vs. Manny Pacquiao, dubbed the "Fight of the Century," was a decade-long drama of failed negotiations, record-breaking revenue, and a 2015 match that many fans felt arrived several years too late. The Long Road to the Ring (2009–2015) : Talks first fell apart over drug testing protocols

The fight finally took place on , at the MGM Grand Garden Arena in Las Vegas. The 2015 "Fight of the Century" The saga

For over five years, the fight was considered the "greatest clash that never happened" due to repeated negotiation collapses.

: Floyd Mayweather won via unanimous decision with scores of 118–110, 116–112, and 116–112.

: Years were spent haggling over "purse splits." Pacquiao at one point agreed to a 50/50 split, but Mayweather later insisted on a "lion's share," offering a flat $40 million fee while keeping the rest of the revenue.