In the second game, the Wildcats (4-22, 4-10) scored seven times in the fourth inning to snap a 1-all tie.
Madeline DeMilio went 2-for-3 with a double and an RBI for Cobleskill, which split a NEAC doubleheader at Morrisville State on Sunday.
Cobleskill (13-11, 7-5) rebounded from an 8-3 loss in the opener with an 8-0 rout in the second game.
The Mustangs (5-15, 5-9) erased a 3-0 deficit with five runs in the fifth inning of the first game. Morrisville scored three more runs in the sixth for the final margin.
Tomi-Lee Springer had a hit and two RBIs for the Fighting Tigers, who received a two-hitter from Erin Wadsworth in the second game. Wadsworth struck out 12 and walked three in six innings.
DeMilio homered and finished with three hits, three runs and four RBIs for the Fighting Tigers, who received two hits and two RBIs from Kelsey DeZalia.
Cobleskill plays a non-conference doubleheader at Southern Vermont College on Tuesday.
Delhi wins four
SUNY Delhi swept road doubleheaders on Saturday and Sunday, beating Adirondack by scores of 15-1 and 16-1 on Saturday, then downing Fulton-Montgomery on Sunday by counts of 24-0 and 15-0.
Against Adirondack, Walton graduate Allie Forkey struck out five in a two-hitter and Margaretville graduate Sara Batka went 2-for-4 with a triple, a home run and six RBIs.
In the second game, Erica McNulty had five strikeouts in a one-hitter, and Kayle Edge-Santos went 3-for-4 with a homer, triple and seven RBIs.
On Sunday, Forkey (3-3) threw a two-hitter in the 24-0 victory. Abbey Osborn went 3-for-4, scored three runs and had two steals.
The second game saw McNulty (4-1) get the shutout. Bre Hotaling went 2-for-4 with a home run and two RBIs, and Walton graduate Jackie Yambor went 3-for-4 with five RBIs.
Delhi (7-5) will host Columbia Greene on Tuesday.
O-State drops three