Jose Canseco of the Long Beach Armada during the Golden Baseball League game against the Fullerton Flyers on July 14,2006 at Blair Field in Long Beach, California. (credit: Christian Petersen/Getty Images)

NEW YORK (CBS SPORTS) - Major-league headache Jose Canseco is back in the news. This time, the 47-year-old former slugger is trying to make a comeback in the Mexican League, and has reportedly been busted for a banned substance. So, he’s out of the league now. Yes, I’m shocked, too.

ESPN Deportes reported late Wednesday night that Canseco admitted to Mexican League president Plinio Escalante about using a banned substance that was testosterone. The Mexican League is a Triple-A affiliation to Major League Baseball, but none of the teams are connected to actual MLB clubs.

Of course, Canseco took to the Twitterverse to plead his innocence — or, really, it was more his “non-guilt.”

“How can I test positive when I never took any test don’t believe everything the media tells you.the truth always comes out I am not using any illegal substance,” he tweeted.

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