Keith Thurman defends his interim WBA World Welterweight Championship against Julio Diaz, plus Lucas Matthysse returns in a 10-round matchup against John Molina, and Omar Figueroa Jr. defends his WBC Lightweight World Championship against Jerry Belmontes.

Highlights and results from an exciting tripleheader featuring Bernard Hopkins, Shawn Porter, Paulie Malignaggi, and Peter Quillin.

Take a look behind the scenes as Shawn Porter prepares to defend his IBF welterweight title against Paulie Malignaggi.

Florida power-puncher Keith "One Time" Thurman defends his interim WBA World Welterweight Championship against former World Lightweight titleholder Julio "The Kidd" Diaz.

As The Moment approaches, follow Floyd Mayweather and Marcos Maidana behind the scenes as they prepare to square off on May 3.

Meet Marcos Maidana, the resurgent and resilient challenger to Floyd Mayweather on Saturday, May 3.

"Boxing was a way out" for living legend Bernard Hopkins. The Philly native remembers the dark moments from his past, and the self-determination which propelled him to the top of the sport.

Bernard Hopkins and Beibut Shumenov headline an exciting of night of title fights also including Shawn Porter vs. Paulie Malignaggi and Peter Quillin vs. Lukas Konecny.

At the age of 15, Peter "Kid Chocolate" Quillin started boxing as a way to handle himself on the mean streets of Grand Rapids before moving to New York City. "Nobody ever told me I was going to be a champion" remembers Quillin, as he looks back on the unlikely road which led him to the world's stage.

On April 19 Showtime brings you three world championship bouts: Bernard Hopkins vs. Beibut Shumenov, Shawn Porter vs. Paulie Malignaggi, and Peter Quillin vs. Lukas Konecny.