LAS VEGAS (March 25, 2025) — Fight week has arrived for the continuation of one of the fiercest rivalries women’s boxing has ever seen.

Two-weight queen Mikaela Mayer (20-2, 5 KOs) will defend her WBO welterweight world title in a rematch against former champion Sandy Ryan (7-2-1, 3 KOs) this Saturday, March 29, at BleauLive Theater at Fontainebleau Las Vegas. 

In the co-feature, Brian Norman Jr. (26-0, 20 KOs) will make the inaugural defense of his WBO welterweight world championship against Puerto Rican challenger Derrieck Cuevas (27-1-1, 19 KOs).

Mayer-Ryan II and Norman-Cuevas will be broadcast live on ESPN, ESPN Deportes, and ESPN+ at 10 p.m. ET/7 p.m. PT.

Promoted by Top Rank, in association with Matchroom Boxing, tickets are on sale via https://www.fontainebleaulasvegas.com/entertainment/top-rank-boxing/.

The ESPN+-streamed undercard (7 p.m. ET/4 p.m. PT) features rising featherweight phenom Bruce “Shu Shu” Carrington (14-0, 8 KOs) as he locks horns with Jose Enrique Vivas (23-3, 12 KOs) in a 10-round WBC final eliminator.

In additional undercard action:

Emiliano Fernando Vargas vs. Giovannie Gonzalez, 8 rounds, junior welterweight
Tiger Johnson vs. Kendo Castañeda, 8 rounds, welterweight

Dedrick Crocklem vs. Dionne Ruvalcaba, 4 rounds, junior lightweight
Emmanuel Chance vs. Miguel Guzman, 4 rounds, bantamweight