Hard-hitting middleweight Carlos Adames defends his interim belt against former 154-pound unified champion Julian “J-Rock” Williams in the main event of a tripleheader from The Armory in Minneapolis. Adames won the interim title when he knocked out Juan Macias Montiel in October. Philadelphia’s Williams successfully made his 160-pound debut in November. Plus, 154-pound contenders Erickson Lubin vs. Luis Arias and 115-pound world champion Fernando Martinez vs. Jade Bornea. Live on SHOWTIME.

IBF welterweight world Champion Errol Spence Jr. (24-0, 21 KOs) will defend his belt against four-division world champion and current WBC lightweight titlist Mikey Garcia (39-0, 30 KOs), who will move up two weight divisions to go for a world title in a fifth division in a meeting between two of boxing’s elite pound-for-pound best in the world.

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