Colleen Byam had 19 digs to pace Delhi (2-11), which received eight aces from Bonnie Davis.
Delhi hosts Oxford today. Walton visits Hancock on Friday.
Harpursville 3, Greene 0
Erin Avery had six aces and seven kills to lead undefeated Harpursville to a MAC road win, 25-9, 25-21, 25-17.
The Hornets (12-0) host Unadilla Valley on Friday, when Greene (6-7) visits Unatego.
Cooperstown 96, WCV 66
Tessa and Eden Griger won two events apiece and contributed to a victory in the 200-yard medley relay as Cooperstown cruised to a Frontier League triumph at home.
Tessa Griger won the 200 individual medley in 2:41.87 and the 500 free in 6:21.11.
Eden Griger took the 50 free (28.08) and the 100 backstroke (1:08.51).
The two also joined Elizabeth Russo and McKenna Hage for a 200 medley relay win in 2:18.04.
Russo also placed first in the 100 free (1:05.00), as did Hage in the 100 butterfly (1:20.76). Other Cooperstown winners were Lindsay Harloff (200 free, 2:19.69) and Catherine Borgstrom (diving, 184.10 points).
Russo, Lucy Ford, Borgstrom and Harloff teamed for a victory in the 200 free relay (2:08.21) as well.