Marlins prospect Dan Jennings says an "over-the-counter stimulant" led to 50-game suspension

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Marlins pitching prospect Dan Jennings has been suspended 50 games after testing positive for a performance-enhancing substance called Methylhexaneamine, but the 23-year-old reliever said “it was an over-the-counter stimulant.”

At the time I had no idea what I was taking had something that was banned in it, but the substance in it was just added to the list. Not an excuse, just a fact. I should have been smarter. Now I pay the price. All there is to do now is take responsibility and serve my suspension.

Assuming he’s telling the truth Jennings is certainly handling the news well, but his story is a common one for minor leaguers and I’m continually amazed how often players take a substance without first checking in with the team. Jennings is a legit prospect, ranking 13th on Baseball America’s annual ranking of the Marlins’ farm system after being a ninth-round pick in 2008.