How to Watch the Mayweather-McGregor Fight

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Floyd Mayweather Jr. (left) and Conor McGregor

The event costs $99.95 for HD.

The super-fight between boxing champ Floyd Mayweather Jr. and MMA megastar Conor McGregor is finally here.

The bout will air on Saturday at 9 p.m. ET and will be broadcast on Showtime pay-per-view live from the T-Mobile Arena in Las Vegas.

The contest can be ordered on TV, online and through Showtime's mobile app for $89.95 in standard definition and $99.95 for high definition.

The fight, which stands to earn over $600 million, is expected to be the most heavily wagered-on match in boxing history.