Right-handed pitcher Dupuis played with the GCL Nationals last season, saving three games and posting a 3-1 record with 21 strikeouts and five walks in 20.2 innings pitched. He holds the Assumption College career record for saves (28) and posted an 11-7 record, 2.50 ERA and 106 strikeouts in 122.1 innings pitched during his college career. In 2010, he went 3-2 with a team-record 11 saves and a 3.77 ERA for Assumption.