abregu

A return bout between Sergio Martinez and Julio Cesar Chavez Jr. would have to include Olympic-style drug testing and take place either in Las Vegas, Atlantic City or New York, according to Martinez's advisor.

Once-beaten Argentine welterweight Luis Carlos Abregu, who has scored knockouts in five straight fights since falling to Tim Bradley by unanimous decision in July of 2010, has signed a promotional deal with Top Rank.

Andre Ward called Guillermo Rigondeaux "a sharpshooter" against Nonito Donaire, adding, "this is the best I've ever seen him look." Of the criticisms of Rigondeaux's strategy, Tim Bradley said, "If you want to see blood and guts, and you want to see warrior-type of fights, then you should definitely hit MMA."

Saul "Canelo" Alvarez has been sparring with a strong lineup of fighters, including unbeaten junior middledweight Hugo Centeno, in preparation for his April 20 clash with Austin Trout.

Undefeated Russian heavyweight Magomed Abdusalamov will pursue his 18th knockout in as many wins on the April 27 undercard of a main event featuring RING middleweight champion Sergio Martinez against unbeaten British contender Martin Murray.

Trainer Emanuel "Manny" Steward, who died on Thursday at the age of 68, will be the subject of an HBO video on Saturday night at 10:15 p.m. ET/PT.

Robert Garcia and his older brother, Danny, are both respected trainers of champion fighters, but have have been divided by a rift dating back to the early pro days of Victor Ortiz.

Tim Bradley on Manny Pacquiao: "I wanted to be able to beat him convincingly without any controversy. That's all that I wanted...I wanted another opportunity to silence all of the critics, and all of the world to show that I'm one of the best fighters in the world."

Tim Bradley looks ripped and amped, said he's "ready to prove everybody wrong" on Saturday night against Manny Pacquiao at the MGM Grand Garden Arena.

Bob Arum: "Tim Bradley is so confident that it's scary. I mean, he is absolutely 100 percent convinced that he's winning the fight" against Manny Pacquiao on June 9.