Fierro (20-1-2, 16 KOs) defends his WBO NABO Lightweight title against Uruguay’s once-beaten Estela (14-1, 9 KOs) in what promises to be an explosive main event. The WBO No.5 rated Fierro is closing in on a coveted world title shot in 2023, but he must first get by the very dangerous Estela, who is coming off a career best win in November over previously undefeated Ruben Torres.

One of the most important fights of 2019 takes place on Saturday night at the Staples Center in Los Angeles. IBF Welterweight Champion Errol Spence Jr. faces WBC Welterweight Champion Shawn Porter in a potentially epic 147-pound unification bout. Spence is a massive favorite, and it's with good reaso

Undefeated Irish junior middleweight prospect Callum Walsh (15-0, 11 KOs) faces Carlos Ocampo (38-3, 26 KOs) in the main event at the Meta Apex.

In the main event of Zuffa Boxing 06, a thrilling middleweight contest awaits as American Shane Mosley Jr. takes on Ukranian veteran Serhii Bohachuk. Explosive welterweights feature in the-co-main event as Julian Rodriguez squares off against James Perella.