UFC president Dana White, three days after his self-imposed deadline, said he has completed negotiations with Conor McGregor on a potential mega-fight with Floyd Mayweather Jr. and will now turn his attention to locking down Mayweather.

"The McGregor side is done. I'm starting to work on the Mayweather side now,” White told TNT’s NBA broadcast team following the Cavaliers' win at Boston in Game 1 of the Eastern Conference finals Wednesday night (via ESPN.com). 

White, though, hedged on the boxing match actually being made.

"I'm not saying the fight will happen, but I've got one side done, now it's time to work on the other,” he said. “If we can come to a deal with (Mayweather's advisor Al) Haymon and Mayweather, the fight's gonna happen."

White told ESPN last weekend that he wanted to wrap up the deal with McGregor by this past Sunday. 

Mayweather, meanwhile, said earlier Wednesday that his camp is waiting to hear from White and McGregor.

“I have a team for (negotiating), but as soon as their side (the UFC) communicates with our side, then the fight will happen."