The Bucs (18-8, 5-1) are off to their best conference start in 24 years and sit atop the A-Sun standings.
Trailing 4-2 with two outs and nobody on in the sixth inning, Danny Petro drew a walk and designated hitter Justin Aughey hammered an 0-1 offering over the left-center field fence for the tying runs. Tanner Moore followed with a single up the middle, and after advancing to second on a hit batsman, scored the eventual game- winning run on Troy Mendez's single to left field.
After struggling with his command early, Caleb Glafenhein (8-1) settled down and held the Ospreys scoreless over the final six innings to earn the complete-game win.
C.J. Lee collected three hits, including a solo homer to lead off the fourth, and scored three runs. Petro went 3-for-4 with two RBIs and a walk.
ETSU will host Appalachian State on Tuesday at 7 p.m.
KNOXVILLE - Cody Brown's second-inning home run helped Tennessee complete a three-game sweep by beating Georgia.
The game was tied 5-5 going into the bottom of the seventh.
But Danny Lima hit a sacrifice fly to give Tennessee (17-9, 4-2 Southeastern Conference) the lead for good over Georgia (9-14,3-3).
Brown also had three RBIs. Georgia's Gordon Beckham finished with two RBIs.
BLACKSBURG - Tim Fedroff went 3-for-5 with a home run, three runs scored and two RBIs, and Luke Putkonen allowed just one run over seven innings as North Carolina defeated Virginia Tech.
Putkonen (5-0) allowed five hits with seven strikeouts and two walks to get the win for the Tar Heels (22-4, 6-3 Atlantic Coast Conference). Rob Catapano and Andrew Carignan pitched two perfect innings in relief.
Dustin Ackley went 2-for-4 with an RBI to extend his hitting streak to 18 games. Garrett Gore went 2-for-4 and scored three runs while Reid Fronk was 2-for-4 with two RBIs and Tim Federowicz was 2-for-5 with two RBIs.
Nate Parks went 2-for-4 to lead the Hokies (15-10, 4-5).
KNOXVILLE - Monica Abbott threw a one-hit shutout and Arkansas committed five errors to help the Lady Vols complete an SEC sweep of the Lady Razorbacks.
Left fielder India Chiles led the Tennessee offensive effort, going 3-for-4 with an RBI and a run scored to raise her batting average to a team-best .451.
After becoming the Lady Vol career hits leader during Saturday's doubleheader, center fielder Lindsay Schutzler added to her total with a single and an RBI.
Abbott (26-1) struck out 14 and walked none in the complete- game effort for Tennessee (33-2, 11-2).