AUGUSTA — The Augusta GreenJackets stayed alive with a run in the 11th inning after Greg Bird’s go-ahead homer in the top of the frame, then won in the 12th on Mitch Delfino’s walkoff homer to defeat the Charleston RiverDogs, 3-2, on Saturday night at Lake Olmstead Stadium in the opening game of a doubleheader.

Augusta won the nightcap, 3-2.

In the opener, Charleston (22-20 second half, 61-49 overall) trailed 1-0 going into the seventh before former College of Charleston standout Daniel Aldrich knotted the score with an RBI single.

The game stayed tied at 1 until the 11th when Bird drilled his 16th homer of the season, a solo shot that gave the RiverDogs the lead.

But Augusta (23-18, 61-49) managed to tie it off Derek Varnadore (L, 0-5) in the 11th, then win with one out in the 12th when Delfino homered.

Ericson Leonora went 3 for 5 for the RiverDogs, while Aldrich was 2 for 3 with two walk. Cito Culver was 2 for 6.

Charleston starter Luis Severino allowed one run on five hits over four innings, striking out three and walking two. Former South Carolina star Tyler Webb and Ben Paullus tossed three scoreless innings apiece.

The RiverDogs and GreenJackets play again Sunday at 2:05 p.m.