conte

Entering Saturday night's fight with Jorge Arce, Nonito Donaire said his Filipino fans are "in pain," many imploring him to "Do it for Manny," and "Lift our country back up again" in the wake of Manny Pacquiao's sixth-round knockout loss to Juan Manuel Marquez. 

Does Juan Manuel Marquez rank with Julio Cesar Chavez Sr. among Mexico's all-time greats?

Andre Berto said the positive drug test "didn't have anything to do with any type of drug enhancement, or any type of testosterone or EPO or none of that type of stuff."

Nonito Donaire on his year-round random drug testing commitment: "I try to write down anything and everything that I might be in contact with. Even with the food that I'm eating and where I'm at, or where I've been."

Showtime commentator and former light heavyweight titleholder Antonio Tarver has been suspended and fined $2,500 after a positive drug test for the anabolic steroid drostanolone.

WBO junior featherweight titleholder Nonito Donaire will pioneer a move for year-round, random drug testing of blood and urine to be conducted by the Voluntary Anti-Doping Association.

Nonito Donaire: "I wouldn't even mind finding somebody who tests positive and prove that my ability is better in a natural way -- regardless if he's on it -- and that I can still beat him."

Five-time, three-division world titleholder Shane Mosley has retired at the age of 40 with a final pro mark of 46-8-1, with 39 knockouts, according to a close friend and camp coordinator.

Eleven boxing insiders give their thoughts on Lamont Peterson's and Andre Berto's recent failed drug tests, which resulted in the cancellation of two high-profile rematches, and the sport's challenge of properly screening for performance enhancing substances.

Robert Garcia says he considers Victor Conte "a great person," adding, "if you're asking me, I would say that he's the last person that's going to try to do something illegal."

Lamont Peterson tested positive for synthetic testosterone. 

Floyd Mayweather Jr. was outspoken, pensive and animated during a session with reporters on Tuesday, with the majority of his attention targeting Manny Pacquiao.

Angel Hernandez says that his training methods were validated in Juan Manuel Marquez's November performance against Manny Pacquiao.

Victor Ortiz and Andre Berto will have their blood and urine randomly drug tested by the Voluntary Anti-Doping Association in advance of their rematch on Feb. 11.

Manager Cameron Dunkin will address Brandon Rios' weight-cutting issues with Victor Conte, who also works with Rios' stablemate Nonito Donaire.

Bob Arum: "The steroid problem is fading into the past."

Leonard Ellerbe claims Angel Hernandez's presence in Juan Manuel Marquez's camp validates Floyd Mayweather Jr.'s  random drug testing demands, while Victor Conte is "suspicious" of Hernandez's "activities."

Nonito Donaire weighed less than his junior bantamweight champion opponent at the weigh in, registering a surprisingly slight 116.25 pounds.

An overtrained Andre Berto lost his title to Victor Ortiz, but an energized "Beast" is looking to dethrone IBF titleholder Jan Zaveck on Sept. 3.