Each event, likely to provide plenty of humorous and heated exchanges, will be open to the public.
Mayweather, who came out of retirement for this fight, is widely regarded as one of the best defensive fighters ever and the 40-year-old American prides himself on his ability to evade punishment with his movement and to make adjustments on the fly.
Boastful Irishman McGregor, the UFC's reigning lightweight champion and former featherweight champion, is known as much for his bravado as for his explosive knockout power inside an MMA octagon.
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There is expected to be plenty of interest in the fight, which will be held inside T-Mobile Arena, even though there is also scepticism about how competitive it will be given that McGregor has never boxed professionally before.
(Reporting by Frank Pingue in Toronto; Editing by Mark Potter)
