Jackson Oliver drove in the winning run in the bottom of the ninth inning to give Columbus State a 5-4 win in Game 2 of a Peach Belt Conference doubleheader against Flagler on Saturday at Ragsdale Field.
That gave the Cougars (20-10, 8-9) a sweep as they won the first game 9-4.
In Game 2, Flagler (23-6, 11-5) out hit CSU 18-8, but the Saints left 14 runners on base.
Oliver and Blake Edwards drove in two runs apiece. Trey Watson (1-2) recorded the last out in the top of the ninth and picked up the win.
In the opener, Carson Bowers went 4-for-4 with a double, a triple and two RBIs. Edwards, Chris Daniel and Matt Nettles had two hits apiece. Edwards, who had a double, drove in three runs. Tim Massengale drove in two.
Jake Ezell (4-1) earned the win. He allowed four runs -- three earned -- on five hits in seven innings. He walked seven and struck out nine.
The teams are scheduled to finish the series at 1 p.m. Sunday.