Mayweather Vs. Pacquiao -

Despite being criticized as underwhelming by fans who expected a brawl, the event was a commercial titan:

Relive the technical showdown and highlights from the historic May 2015 clash: 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. Despite being criticized as underwhelming by fans who

: 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" which Pacquiao's camp initially resisted