J'Leon Love

Undefeated middleweight prospect J'Leon Love and super middleweight Matthew Garretson tested positive for banned diuretics following their fights on the May 4 undercard of the Floyd Mayweather-Robert Guerrero fight.

Floyd Mayweather Jr. on his legacy: "I take my hat off to Sugar Ray Leonard and all those other fighters who paved the way for me to be where I am at today. I'm not here to match myself against them because... ."

RingTV.com editor Doug Fischer gave his thoughts on the "MAY DAY" PPV event from the MGM Grand in Las Vegas. Fischer was impressed with Floyd Mayweather and Abner Mares, both of whom exhibited elite form while defeating Robert Guerrero and Daniel Ponce de Leon.

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

J'Leon Love rose from a sixth-round knockdown to win a split decision over Gabriel Rosado. Love was one of five fighters promoted by Floyd Mayweather Jr. on Saturday's card, all of whom won.

Floyd Mayweather Jr. looks to be in prime shape for Saturday's clash with Robert Guerrero, who says he can't wait "to get down."

Leo Santa Cruz on Saturday's junior featherweight fight with Alexander Munoz: "On Saturday, we're going to make it a war. I'm going to go out there and try to finish him before the end of the 10 rounds."

J’Leon Love says he asked for his crossroads match with battle-tested young Philadelphia veteran Gabriel Rosado, who aims to make the undefeated middleweight prospect regret his decision on Saturday's "May Day" pay-per-view show.

The fighting peers of junior middleweights Austin Trout and Saul Alvarez offer their thoughts on who will win Saturday night's Showtime-televised clash of unbeatens.

Floyd Mayweather called Robert Guerrero "a solid, tough competitor" during Saturday night's interview on CBS between games during the NCAA's Final Four.

Former IBF bantamweight titleholder Leo Santa Cruz and undefeatd middleweight prospect J'Leon Love will compete in separate bouts on the undercard of the May 4 Floyd Mayweather-Robert Guerrero Showtime Pay Per View event.

Closed circuit tickets for the May 4 Showtime Pay Per View-televised clash between Floyd Mayweather and Robert Guerrero will go on sale on Wednesday at 10 a.m.

Fans will have the option of watching Floyd Mayweather's May 4 defense against Robert Guerrero on the big screen in movie theaters.

Lamont Peterson on the hard-hitting Lucas Matthysse: "I don't think he's going to pose any problems for me."

WBA welterweight beltholder Paulie Malignaggi looks forward to calling Floyd Mayweather's bout on Showtime Pay Per View, and would also welcome the opportunity to fight on his undercard. 

Floyd Mayweather on his groundbreaking new deal: "Showtime and CBS, I've got to take my hat off to them. They did a tremendous job and I am happy to be a part of this family."

The trainer of IBF welterweight beltholder Devon Alexander called the biceps injury that has forced the postponement of his Feb. 23 defense against Kell Brook "a freak incident."

An apparent biceps injury to IBF welterweight beltholder Devon Alexander has forced the postponement of his defense against Kell Brook that was slated for Feb. 23, according to Golden Boy CEO Richard Schaefer.

WBO middleweight titleholder Peter Quillin is in the mix of a division that includes RING/WBC champ Sergio Martinez, WBA and IBF counterparts Gennady Golovkin and Daniel Geale, as well as ex-beltholder Julio Cesar Chavez Jr.

Readers have questions and comments about some of the fighters who were in action this past weekend, including Lucian Bute, Fernando Guerrero and J'Leon Love, plus thoughts on overlooked Olympic gold medalists in this week's Monday mailbag. Enjoy!

Middleweight prospect Fernando Guerrero won his fourth straight fight since his lone career defeat, stopping former 154-pound title challenger JC Candelo in six rounds at the Humble Civic Center in Humble, Texas on Saturday night.

Unbeaten junior welterweight Brandon Rios is an ambassador for  the non-profit organization, Padres Contra El Cancer, or, Parents Against Cancer.

RingTV.com's resident historian Lee Groves finishes recounting his CompuBox assignment to the recent Showtime-televised card headlined by Lucas Matthysse's action-packed TKO of Olusegun Ajose in Las Vegas.

Junior welterweights Olusegun Ajose and Lucas Matthysse, middleweights J'Leon Love and Ramon Valenzuela, and junior middleweights Ishe Smith and Irving Garcia ahead of the Sept. 8 Showtime card in Las Vegas.

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.