SHOWTIME Sports will present the official live stream of the Mayweather vs. McGregor international press tour across digital platforms as boxing legend Floyd Mayweather and UFC superstar Conor McGregor embark on a four-city, three country press tour to announce their Aug. 26 blockbuster event.

In anticipation of the unprecedented showdown between Floyd Mayweather and Conor McGregor, the global stars are embarking on a four-city international press tour that spans three countries in four days, and brings all the spectacle of this massive event directly to the fans who demanded it.

As a special presentation at the tour’s first event on Tuesday in Los Angeles, GRAMMY-nominated, multi-platinum XIX / Interscope recording artist Aloe Blacc will perform his new single “King Is Born” live at STAPLES Center. Blacc is known for his hit singles “I Need a Dollar,” “Wake Me Up,” “The Man” and “Love Is The Answer,” all of which reflect his quest for social justice. Blacc is currently working on the follow up to his GRAMMY-nominated album “Lift Your Spirit.”

The live fully produced HD programs will be available via Facebook @ShowtimeBoxing, theYouTube @ShoSports channel, UFC.com and UFC FIGHT PASS. CBSSports.com and the CBS Sports app for mobile and connected TV devices will simulcast all four events live with CBS Sports Network providing live coverage of Tuesday’s event from Los Angeles. The @CBSSports Facebook page will also simulcast coverage. Mayweather and McGregor face off in Los Angeles, Toronto, New York and London to officially announce their one-of-a-kind matchup taking place on Saturday, Aug. 26 live on SHOWTIME PPV® from T-Mobile Arena in Las Vegas.

SHOWTIME Sports announcer Mauro Ranallo will host coverage from Los Angeles with analysis from two-division world champion and SHOWTIME Boxing analyst Paulie Malignaggi, former UFC fighter and current MMA analyst Brendan Schaub and MMA industry veteran Ariel Helwani. Helwani will take over hosting duties in live coverage from Toronto and New York alongside Malignaggi and Schaub. Details on coverage from the London event will be announced shortly.