Former big league slugger Mo Vaughn has confirmed he used human growth hormone to recover from a nagging knee injury late in his career. The 1995 American League MVP told The Athletic in a recent interview that he had HGH injected in his knee to extend his career.

Former slugger Mo Vaughn told The Athletic that he used human growth hormone in an effort to extend his career, confirming for the first time information disclosed in 2007 in the Mitchell Report.

Mo Vaughn, a three-time All-Star first baseman and the 1995 American League Most Valuable Player Award winner, has admitted to The Athletic that he used human growth hormone in an attempt to extend his playing career.