So the Yankees searched for answers about how this might be taking place, and on the evening of Aug. 18, the Yankees’ staff discovered in video review what it determined to be incontrovertible evidence -- as first detailed in the New York Times on Tuesday afternoon. An assistant trainer received a message on his watch; the trainer informed a Red Sox player in the dugout; the player relayed that information to the runner at second base, indicating which pitch signal in the sequence of signs was real; the runner at second, instantly armed with the key to breaking the Yankees’ signal-calling code, could detail the identity of the forthcoming pitch for the hitter at the plate.
The supplement Alpha-4D, sold by Shredded Labs, includes an oral form of Turinabol. None of the players who tested positive has said he used the product, but it was placed on the . Anti-Doping Agency's "high risk" supplement list in March 2014 and is the one over-the-counter product that has been identified by the agency as containing the drug. The supplement is advertised as a "pro-anabolic stack," which should be a flashing neon warning sign to any athlete who is subject to testing. Such products are often laced with banned drugs, whether those drugs are listed in the ingredients or not. Players are warned from the beginning of their careers that they should only take supplements preapproved by MLB and that they are liable for anything that shows up in their bodies.