Sunday, June 30 at Noon ET / 9 a.m. PT

From Monumento de los Niños Heroes in Mexico City, Mexico

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Mexican superstar Canelo Alvarez is expected to draw thousands of fans to the monument, which honors the Niños Heroes – young cadets who died defending Mexico City's Chapultepec Castle on September 13, 1847 during the Mexican–American War.

The Niños Héroes are commemorated by a national holiday on September 13, just one day before the September 14 blockbuster showdown between Floyd Mayweather and Canelo Alvarez from the MGM Grand Garden Arena in Las Vegas, live on SHOWTIME PPV®.