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Five things we learned from Saturday's Manny Pacquiao-Juan Manuel Marquez IV card in Las Vegas.

Victor Conte, the founder of BALCO who spent time in prison for distributing steroids, is certain that Melky Cabrera is far from alone in using performance-enhancing drugs.

Outfielder Marlon Byrd, who admitted to working with the man whose center triggered a federal investigation of steroids use and distribution among athletes, has tested positive for performance-enhancing drugs.

Former welterweight titleholder Andre Berto has tested positive for a banned substance, and his June 23 rematch with fellow former titlist Victor Ortiz has been canceled, according to Golden Boy Promotions CEO Richard Schaefer.

The U.S. Anti-Doping Agency took issue with assertions made by Victor Conte in a May 9 NYFightBlog post ("Peterson-Khan II off; Victor Conte told us so"). Conte was introduced to the sports world when his BALCO empire was busted in 2004. He was in...

Tuesday was a nice day for Victor Conte. For starters, he wasn't in jail. Not being flippant; the former BALCO bad boy, among athletes the most notable face of steroids and chemical transgressions in pursuit of performance and loot, spent four months...

The light sentence in the Barry Bonds case raises questions about the value of the government investigation, the work of the prosecutors and the effect of the outcome on Bonds' legacy.

Nonito Donaire climbed to the uppermost reaches of the pound-for-pound ladder on the merits of his skill and sweat. So why get in bed with the bad boy of BALCO himself, Victor Conte?

Just supposin' Barry Bonds and the Hall of Fame ever get together, it'd be one heck of an acceptance speech, wouldn't it? Here's one version.

MESA, Ariz. -- Chicago Cubs center fielder Marlon Byrd admitted Sunday that he does feel some pressure working with Victor Conte, and Byrd believes some are waiting for him to test positive for performance enhancing drugs. Read the entire story....

Marlon Byrd, who is baseball's hottest hitter in the spring, has one specific goal for 2011. "I have one major goal, and that's to hit 40 doubles," he said. "If I do that, then I believe my numbers will be there. Last year, I was one short. No mat...

Chicago Cubs center fielder Marlon Byrd admitted Sunday that he does feel some pressure from Major League Baseball after commissioner Bud Selig asked him and his agent to consider not working with Victor Conte.

It has long been assumed that Barry Bonds' standoffish personality would ultimately be his undoing in his upcoming perjury trial. But, as Tim Keown writes in the March 21 issue of ESPN The Magazine, the exact opposite is true.

Story | Conversation | March 13, 2011

MESA, Ariz. -- Chicago Cubs manager Mike Quade is not interested in talking about Marlon Byrd's relationship with former BALCO founder Victor Conte. "Marlon is a huge part of this club," Quade said. "I expect him to take care of his own business, ...

Marlon Byrd is a big believer in Victor Conte even if he might be the only one in Major League Baseball who still claims that loyalty, at least publicly. Read the entire story....

Marlon Byrd is a big believer in Victor Conte even if he might be the only one in Major League Baseball who still claims that loyalty, at least publicly.