McGregor, the biggest draw in UFC history, has estimated $33 million for the Poirier fight.
A former UFC Lightweight Champion, known for his undefeated record and high-profile fights, earns approximately $22 million.
Alistair Overeem has a successful career in combat sports, competing in organizations like UFC, Strikeforce, and DREAM. With worth of $15.4 million
Known as "The Brazilian Hulk," boasts impressive knockout records in both kickboxing and MMA, making him a formidable fighter in the heavyweight division earns $13.5 million.
A former UFC heavyweight champion with the record for most wins in UFC heavyweight history estimates around $11.2 million.
A UFC Hall of Fame fighter, and former World Middleweight Champion has an estimate of $11.1 million.
Junior dos Santos is a Brazilian mixed martial artist with a $11 million net worth.