UFC on ESPN 49: Holm vs. Bueno Silva was a mixed martial arts event produced by the Ultimate Fighting Championship taking place on July 15, 2023, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A women's bantamweight bout between former UFC Women's Bantamweight Champion Holly Holm and Mayra Bueno Silva headlined the event. UFC Vegas 77 Main Event On ESPN/ESPN+: UFC Vegas 77 Main Event On ESPN/ESPN+: 135 lbs.: Holly Holm vs. Mayra Bueno Silva UFC Vegas 77 Main Card On ESPN/ESPN+ (10 p.m. ET): 170 lbs.: Jack Della Maddalena vs. Bassil Hafez (details here) 155 lbs.: Ottman Azaitar vs. Francisco Prado 265 lbs.: Walt Harris vs. Josh Parisian — SCRATCHED (full details here) 185 lbs.: Albert Duraev vs. Junyong Park 145 lbs.: Chelsea Chandler vs. Norma Dumont 155 lbs.: Terrance McKinney vs. Nazim Sadykhov