Through the 2017 season, Dubois has spent 16 seasons pitching for Beecher.  

He has a record of 77-40 and has pitched over 900 innings in his 184 games as a Muskie. He was twice selected as the CSBL's most outstanding pitcher - in 2006 and 2007. In 2010 he was the Most Valuable Player in the National Amateur Baseball Federation World Series as he won both of his starts including the championship game. He was also named to the 2011 NABF All World Series team.