UFC on ESPN 27: Sandhagen vs. Dillashaw was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 24, 2021, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. A bantamweight bout between former two-time UFC Bantamweight Champion T.J. Dillashaw and Cory Sandhagen served as the event headliner. It was Dillashaw's first fight since his two-year suspension due to testing positive for recombinant human erythropoietin (EPO), which resulted in his title vacancy.

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Cast:

Andre

Ewell

Sijara

Eubanks

Elise

Reed

Diana

Belbiţă

Hannah

Goldy

TJ

Dillashaw

Cory

Sandhagen

Raulian

Paiva

Kyler

Phillips

Darren

Elkins

Darrick

Minner

Maycee

Barber

Miranda

Maverick

Adrian

Yanez

Randy

Costa

Brendan

Allen

Punahele

Soriano

Nassourdine

Imavov

Ian

Heinisch

Mickey

Gall

Jordan

Williams

Julio

Arce

Andre

Ewell

Sijara

Eubanks

Elise

Reed

Diana

Belbiţă

Hannah

Goldy

TJ

Dillashaw

Cory

Sandhagen

Raulian

Paiva

Kyler

Phillips

Darren

Elkins