For several years now, MLB commissioners have been paying close attention to the substances players ingest. Dietary supplements, drugs and artificial products are used to improve p

Vaughn told The Athletic he used HGH in an attempt to prolong his career. Injuries plagued the first baseman after he left the Red Sox for the Angels, then finished with the Mets.

Former American League MVP Mo Vaughn fessed up to claims in the Mitchell Report that he used performance-enhancing drugs, nearly 20 years after its initial release. In an interview with The Athletic’s Ken Rosenthal,