Augusta won the opener 6-1, thanks to a five-run third inning that included a two-run homer by Garrett Buechele and a two-run triple by Harris, who hit a game-winning homer in Tuesday’s game.
Augusta starter Kyle Crick earned the win, giving up the lone run on six hits in 5⅔ of work.
Greenville took the nightcap 5-2 in dramatic fashion. Blake Swihart connected on a 3-run, walk-off homer in the seventh off Christopher Marlowe.
Harris had a RBI double for the Jackets in the sixth inning.