Drafted on June 5, 1979 by the Astros in the 1st round (8th pick) of the 1979 amateur draft, Mizerock would spend several seasons in the minors before making his major league debut in '83. He remained with Houston until released three years later.
Since retiring from playing he has managed in both levels. Last season he was with the Royals as a bullpen coach but it was announced two weeks ago that he would not be returning. Dayton Moore claims it was a "philosophical change".