Zuffa Boxing 08 – De Los Santos vs. Valenzuela at The Cosmopolitan of Las Vegas – Las Vegas, NV

See Zuffa Boxing 08 – De Los Santos vs. Valenzuela Live in Las Vegas on Sunday, June 28, 2026, Doors Open at 3:00 PM

All Ages Event Doors 2:00pm / Prelims 3:00pm / Main Card: 6:00pm No refunds or exchanges. Non-professional cameras allowed, no detachable lenses. Audio/video recorders, tablets/ipads, and selfie sticks are not allowed. Guests accept all customary risks associated with live events. No outside Food and Beverage allowed into the venue. Due to security requirements, backpacks, wallet chains, spiked accessories, and bags/purses larger than 8.5″ x 11″ will not be allowed in the venue. Guest and bags/purchases are subject to inspection.

ADA seating is available for purchase through Ticketmaster. For additional assistance, upon arrival please visit the Guest Services Podium at the venue entrance.

Doors 2:00pm / Prelims 3:00pm / Main Card: 6:00pm

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