Logan Paul and Floyd Mayweather will now wear 10oz gloves in their exhibition bout on Sunday after agreeing to the late rule change.
The fighters had been due to wear 12oz mitts following the release of the rules for their meeting yesterday.
But both camps then called for the change in gloves and the Florida State Athletic Commission agreed to the switch.
The gloves are now closer to those worn by Mayweather throughout his Hall of Fame professional career and may increase the likelihood of a knockout.
Both Paul and Mayweather have promised to end the fight early – and that is the only way a ‘winner’ can be declared.
Should the bout go the eight-round distance, it will not be scored and no victor will be announced.
Paul and Mayweather had been due to clash in February but the fight was delayed due to the coronavirus pandemic.
They will now meet in front of thousands of fans at the Hard Rock Stadium in Miami – and Paul admits he has still not fully grasped the fact he is fighting one of the best ever.
“This whole thing is surreal,” he said. “Everything about it. I told my manager and we kind of had an inside joke that until I get in the ring with him, I didn’t think this fight was happening.
“But I think it’s safe to say that I can believe it now. I think it’s happening. It’s fight week. I can’t imagine Floyd would back out now, but who knows? Old man fakes an injury, gets scared of the big kid. I’m excited.”
Mayweather and Paul will come face to face at the weigh-in on Saturday before touching gloves the following night.
And Paul is confident he will avoid having to pay a six-figure penalty for coming in over his 190lb weight limit.
“My weight is great and we’re about at 195,” he said. “Energy is great and I feel strong, fast, sharp. I have no complaints.
“This is the best shape I’ve ever been in. And I need to be because it’s an eight-round fight. It’s the longest fight I’ve ever fought so I have to be ready.”
Mayweather, meanwhile, claims he will earn up to $100million for fighting Paul in his first outing since he KO’d Tenshin Nasakawa in an exhibition bout in 2018.
Before that, the ring legend extended his unbeaten record to 50-0 by stopping former two-weight UFC champion Conor McGregor in the 10th round.
And Mayweather admits he is taking on Paul solely for the money.
“My nickname is ‘Money’ for a reason,” he said. “I believe in working smarter, not harder.
“So if it’s something easy like a legalised bank robbery, I’ve got to do it. I have to do it.”