Justin Lynch threw a five-hit shutout to power Shelton High to a 1-0 victory over visiting Sheehan High of Wallingford on Tuesday.
Mike Cowell's solo home run was the difference, as the Gaels improved to 2-7. Sheehan dropped to 7-4.
Lynch improved to 1-2 on the mound.
Shelton hosts Masuk High of Monroe (7-3) on Saturday night at 7 p.m.