Sergey Kovalev's big-money fight with Canelo Alvarez is about to get the royal hater treatment ... because Anthony Yarde says he's gonna c-block the fight ... by knocking Kovalev the hell out.
Here's how this goes ... Kovalev is hoping to get a huge payday for fighting Canelo (boxing's biggest draw) but has to keep winning to make that a reality.
Sergey fights the undefeated Yarde on Saturday in Russia on ESPN+ at 12:30 PM ET and Yarde says it's HIS MISSION IN LIFE to stop Sergey's cash flow.