Mets pitcher Jenrry Mejia made baseball history Friday, becoming the first player to be permanently suspended by Major League Baseball after testing positive again for a performance-enhancing substance.

MLB said Mejia tested positive for boldenone, which athletes have used to increase muscle mass and once was popular for use in horse racing, and that he is also is permanently suspended from playing minor league baseball.

It marked his third positive PED test in the past year, resulting in the lifetime expulsion.