undercard

Junior middleweight prospect Jermell Charlo has been sparring with his twin brother, Jermall, in preparation for his most experienced opponent yet: lanky former contender Demetrius Hopkins.

Shawn Porter kept his record pristine and helped erase the stench of his last outing, a 10-round draw against Julio Diaz five months ago, with a dominating unanimous decision over Phil Lo Greco.

Action shots from featherweight Abner Mares' ninth-round stoppage over Daniel Ponce de Leon on the Mayweather-Guerrero undercard.

Action shots from junior featherweight Leo Santa Cruz's fifth-round knockout of Alexander Munoz on the Mayweather-Guerrero undercard.

Action shots from J'Leon Love's split-decision win over Gabriel Rosado on the Mayweather-Guerrero undercard.

Omar Figueroa stopped Abner Cotto in the first round of their chief undercard bout to the Saul Alvarez-Austin Trout junior middleweight championship on Saturday in San Antonio. Figueroa dropped his fellow unbeaten lightweight prospect twice before it was stopped.

Some might think Terence Crawford bit off too much, too early in accepting a late-replacement slot opposite hard-punching Breidis Prescott, but the undefeated Nebraskan says he felt no hesitation.

Fighters from the undercard of Saturday's Bradley-Provodnikov matchup -- including Jessie Vargas, Jesse Magdaleno, Andy Ruiz and Oscar Valdez -- held a media day workout in Los Angeles on Thursday.

Bouts from the undercard of Marquez-Pacquiao IV, featuring Yuriorkis Gamboa vs. Michael Farenas, Miguel Vazquez vs. Mercito Gesta and Javier Fortuna vs. Patrick Hyland.

Junior featherweight prospect Dodie Penalosa Jr. will take his fighting-family pedigree outside the Philippines for the first time to face Jesus Lule on Dec. 8 in Las Vegas.

Filipino boxers Michael Farenas and Dodie Boy Penalosa Jr. will appear on the undercard of Manny Pacquiao's fourth fight with Juan Manuel Marquez.

Rocky Martinez defeated Miguel Beltran Jr. by split decision in an entertaining brawl on the Sergio Martinez-Julio Cesar Chavez Jr. undercard Saturday at the Thomas & Mack Arena.

Mike Lee has been given a lot for someone with ten pro fights -- too much, some say. Now he's got a chance to prove he's worth it to a pay-per-view audience on Saturday, and no one's looking forward to it more than him.

Some recent lackluster performances may be the reason Daniel Ponce de Leon landed a title shot against Jhonny Gonzalez this Saturday, but the formidable puncher says he's feeling good and ready to cap his journey back to the big stage with a win.

Not long ago, Jose Alejo was living with his daughter and girlfriend in a car. This Saturday, the rising junior welterweight prospect will fight on the undercard of Tomasz Adamek vs. Travis Walker in Newark, N.J.

Antonio DeMarco and John Molina Jr. will do their talking in the ring when they meet on the Andre Ward-Chad Dawson card Sept. 8 in Oakland, Calif., on HBO.

Images from welterweight Shawn Porter's unanimous decision win over Alfonso Gomez and light heavyweight George Groves' sixth-round knockout of Francisco Sierra.

Once-beaten middleweight standout Fernando Guerrero scored a one-sided unanimous decision over game Jose Medina on top of the undercard to the Amir Khan-Danny Garcia junior welterweight championship in Las Vegas on Saturday.

Randall Bailey has received few favors in his recent career, but he thinks Mike Jones did him a small one by choosing 8 oz. gloves for their title clash on Saturday. Now, the hard-punching Bailey aims to capitalize.

Combatants on the Pacquiao-Bradley undercard, which includes Jorge Arce vs. Jesus Rojas, Mike Jones vs. Randall Bailey and Guillermo Rigondeaux vs. Teon Kennedy, gathered at the final press conference before Saturday's big event.