Dirk Hayhurst on Positive Banned Substance Results TAGS: author | ball four | banned substance | blog | blogger | bullpen gospels | business | coach | dirk hayhurst | disrespect | garfoose | ignorance | jim bouton | lean blitz consulting | major league baseball | manager | marcus stroman | meetings | mlb | operations | organization | out of my league | ped | performance enhancing drugs | process | six sigma | sports | standardized | tampa bay rays | toronto blue jays | twitter | work | writer Full disclosure: I am a big Dirk Hayhurst fan. Dirk is a former Major League pitcher (who is presumably trying to get back to the bigs), but is probably better …Continue reading →