Michael Bruce Fiers is an American professional baseball pitcher who is a free agent. He has played in Major League Baseball (MLB) for the Milwaukee Brewers, Houston Astros, Detroit Tigers and Oakland Athletics. Fiers has pitched two no-hitters, the latter being the 300th no-hitter in MLB history. Fiers is also known for being the whistleblower in the Houston Astros sign stealing scandal.

Adrian David Houser is an American professional baseball pitcher for the New York Mets of Major League Baseball (MLB). He has previously played in MLB for the Milwaukee Brewers.