Rafael Espinoza vs. Sergio Chirino: Main card, start time, main event walkouts, and more

After winning the WBO featherweight title in December 2023, Rafael Espinoza will attempt his first title defense on June 21 against Sergio Chirino. The fight will headline a seven-fight card broadcasted on ESPN+ in the United States and Sky Sports in the United Kingdom.

Promoted by Top Rank Boxing, Espinoza and Chirino will meet at the Fontainebleau Las Vegas in Nevada. The event is scheduled to begin at 8 p.m. ET/midnight GMT.

Espinoza, 30, enters the fight at 24-0 on the heels of his crowning victory over Robeisy Ramirez. After getting knocked down for the first time in his career, Espinoza rallied in the later rounds to find his knockdown in the 12th round and squeeze out a majority decision.

Chirino, 29, will ride a 13-fight win streak into his first world title fight. Since losing to Mauricio Lara in 2018, Chirino has not lost, most recently defeating Dennis Contreras in February.

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Rafael Espinoza vs. Sergio Chirino main card start time

With Rafael Espinoza and Sergio Chirino facing off in the final fight of the night, six fights will prelude the title bout on June 21.

As the closing act of the night, Espinoza and Chirino are expected to make their ring walks at roughly 11 p.m. ET / 3 a.m. GMT. The event start time and estimated walkout are subject to change.

View the full Espinoza vs. Chirino fight card as it is presented on ESPN below:

Full fight card (8 p.m. ET/midnight GMT on ESPN+ / Sky Sports)

Rafael Espinoza vs. Sergio Chirino, WBO world featherweight title

Andres Cortes vs. Abraham Nova, junior lightweight

Troy Isley vs. Javier Martinez, middleweight

Floy Diaz vs. Francisco Pedroza, bantamweight

DJ Zamora vs. Jose Antonio Meza, junior lightweight

Steven Navarro vs. Juan Pablo Meza, junior bantamweight

Albert Gonzalez vs. Conrado Martinez, featherweight