Wallace was hired as the new pitching coach by the Houston Astros in 2007, but left that job in October 2007 when he was hired by the Seattle Mariners organization as a special assistant to the general manager.
Wallace was hired as the new pitching coach by the Houston Astros in 2007. Wallace left that job in October 2007. He was hired by the Seattle Mariners organization as a special assistant to the general manager.