TORONTO, Ontario – Adonis Stevenson and Badou Jack both predicted they would win the WBC Light Heavyweight World Championship by knockout as they were joined by all-time great Floyd Mayweather during the final press conference on Thursday.

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Stevenson will make the ninth defense of his title against Jack in the biggest and most meaningful fight in the 175-pound division in 2018 from Air Canada Centre in Toronto on Saturday night.

Stevenson vs. Jack is part of a split-site SHOWTIME CHAMPIONSHIP BOXING® telecast beginning at 10:05 p.m. ET/PT with featherweight champion Gary Russell, Jr. defending his title against No. 1 ranked contender Joseph Diaz from the MGM National Harbor in Maryland. SHOWTIME CHAMPIONSHIP BOXING coverage then shifts to Canada at approximately 11 p.m. ET/PT.

Tickets for the live event, which is promoted by Groupe Yvon Michel, Lee Baxter Promotions and Mayweather Promotions, are on sale now and available at .