Cerda hit a game-tying two-run home run in the bottom of the sixth.
Reds first baseman Joey Votto played for the Dragons on an MLB injury rehab assignment, going 0 for 3 with one walk.
A crowd of 7,882 was in attendance at Day Air Ballpark.
The Dragons and River Bandits will play a doubleheader on Friday night with the first game starting at 5:35 p.m. Gates will open at 5:00. Both games on Friday will be seven-inning games.
Cerda has hit four home runs in his last four games, going 8 for 15.
Dayton reliever Stockton (3-0) was credited with the victory, tossing three scoreless innings and allowing just one hit with no hits and four strikeouts.
The Dragons improved to 23-11 on the season while remaining in first place, three games ahead of Great Lakes.