A walk-off single from Kelton Caldwell brought home the winning run for the D.C. Grays (21-18) in a 5-4 victory over the Southern Maryland Nationals (18-18) in 10 innings at Hoy Field on Monday.

It was a good day at the plate for the D.C. Grays' Caldwell. Caldwell went 1-5 and drove in one. He singled in the tenth inning.

It was a good day at the plate for the D.C. Grays' Judson Sherrill. Sherrill went 2-4 and drove in one. He tripled in the fourth inning and singled in the sixth inning.

Colin Kelly allowed one earned run, four hits and two walks while striking out seven over nine innings of work.

Chris Nee improved to 3-1 on the year by picking up the win for the D.C. Grays. Nee struck out two, walked none and gave up one hit.

John-Austin Shepard (0-1) was the game's losing pitcher. He lasted just 1 1/3 innings, walked none, struck out one, and allowed two runs.