Charleston starter Cesar Vargas starred on the mound, propelling the RiverDogs to a series sweep of the Hickory Crawdads with a 5-1 victory Tuesday night in South Atlantic League baseball at L.P. Frans Stadium.

The win, Charleston’s sixth in a row, improves the RiverDogs’ record to 18-11 in the second half and 57-40 overall, just 1½ games behind Lexington.

The Crawdads (16-15, 55-46) dropped their sixth straight.

Vargas (4-3) gave the RiverDogs seven strong innings. The lone run Vargas allowed didn’t come across until his final inning of work.

John Brebbia and James Pazos closed the door on the Crawdads in the final two innings.

Charleston got its first run in the third on an RBI single by Cito Culver to score Danny Oh. Eight of the nine RiverDogs starters had at least one hit.

The RiverDogs scored on wild pitches in the fourth and sixth innings. Charleston’s final two runs came across in the eighth on back-to-back RBI singles by Jake Cave and Wes Wilson.

Coming up

Charleston is off Wednesday before starting an eight-game homestand. Thursday marks the first of four games against the Greensboro Grasshoppers. Charleston will send left-hander Evan Rutckyj (8-6, 4.72 ERA) to the mound as Greensboro counters with right-hander Daniel Oliver (2-3, 5.05 ERA).