Shane Dyer gave up no earned runs over six innings in the Biscuits' 6-1 win over the Chattanooga Lookouts on Tuesday.
Henry Wrigley and Emeel Salem had two RBIs each for Montgomery, while Hak-Ju Lee doubled, walked twice and scored.
Dyer (4-2), who walked three and struck out three, combined with Frank De Los Santos and Alex Koronis on a five-hitter. De Los Santos threw two perfect innings.
Dyer recorded his second straight quality start and is 3-1 with a 1.29 ERA in his last four starts.