J.C. Romero of the Philadelphia Philles and Sergio Mitre of the New York Yankees have both tested positive for androstenedione, an anabolic steroid under the Major League Baseball (MLB) drug policy. The Major League Players Association (MLPA), Romero and Mitre all claim the positive steroid test resulted from the respective ingestion of the dietary supplements [...]
http://www.steroid.com/blog/2009/01/10/baseball-players-test-positive-for-androstenedione/
http://www.steroid.com/blog/2009/01/10/baseball-players-test-positive-for-androstenedione/