Whether he was caught off guard or not has not yet been formally confirmed, but Mayweather none-the-less let it slip that the fight is on.
There had previously been no indication that Mayweather v Maidana 2 was going to happen, even after the pair agreed to a return after their May clash which ended in a majority decision for the American.
The pound for pound king usually puts the word out of his fights via his many social media methods, although Laten Media’s @RealMissKris can now be credited with the exclusive.
Follow on Twitter @PhilDJay for tweets of upcoming news on WBN