This week, after last week’s exciting fight against Sergio Martinez, Julio Cesar Chavez Jr. tested positive for marijuana. He’s managed by Top Rank.  Founder and CEO Bob Arum defended Chavez by saying everyone does it including himself.  Read more after the jump.

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Arum had a comment for ESPN:

“The commission let (Top Rank’s Carl) Moretti know (Tuesday) night that he tested positive,” Arum said. “I can’t really get excited about it. There’s no promoter in boxing who could pass the marijuana test, including myself.

“Julio is going to have to explain to the commission what happened and the commission will be guided accordingly. If there was a trace of marijuana, to me, it’s not the same as using a performance-enhancing drug. That is cheating.”

Deadspin