The Tigers, now 1-2 overall and 1-1 in league play, got a complete game out of pitcher Jonah Kelley, who scattered five hits and struck out three Wildcats. Matt Felt recorded two hits for Shelby.
Montague, 2-2 overall and 1-1 in the league, took the opener 2-1 in a pitching dual.
Dylan Stever earned the win on the mound for the Wildcats, pitching three innings of effective relief after starter Luke Marsh tossed four innings of no-hit ball with seven strikeouts.
Jake Lankfer took the loss for Shelby, despite pitching seven innings and only giving up two hits while striking out four.