WOODBRIDGE, Va. — Ronnie Dawson hit a run-scoring double in the sixth inning, leading the Buies Creek Astros to a 2-1 win over the Potomac Nationals in the first game of a doubleheader on Thursday.

Yohan Ramirez allowed a run, but got Bryan Mejia to fly out with a runner on first to end the game for his second save of the season.

The double by Dawson scored J.J. Matijevic to break a scoreless tie.

In the bottom of the seventh, Potomac saw its comeback attempt come up short after Jack Sundberg hit an RBI single, bringing home Telmito Agustin to get within one.

Starter Brandon Bailey (5-8) got the win while Jacob Condra-Bogan (0-1) took the loss in relief in the Carolina League game.

Game two: Potomac 2, Buies Creek 1

Pinch hitter Aldrem Corredor hit a walk-off single with one out in the eighth inning, as the Potomac Nationals beat the Buies Creek Astros 2-1 in the second game of a doubleheader on Thursday.

Telmito Agustin scored the game-winning run after he started the inning on second and advanced to third on a sacrifice bunt.

In the top of the third, Buies Creek took the lead on a wild pitch that scored Chuckie Robinson. Potomac answered in the bottom of the inning when David Masters hit a solo home run.

Reliever Jeremy McKinney (3-2) picked up the win after he struck out four over three scoreless innings. Enoli Paredes (0-1) went 2 1/3 innings, allowing one run and one hit while striking out three in the Carolina League game.