The Red Dragons trailed, 71-54, after a Jordan Moody layup gave Plattsburgh (13-6, 9-3) its largest lead. Oneonta countered with a 16-6 run over the next three minutes, and Zach Mager’s layup with 1:09 left pulled O-State to 81-77.
Chris Manning scored the last five points to secure the victory for the Cardinals.
Mager finished with 21 points, including a 12-for-12 effort from the free throw line. Frankie Kelly contributed 13 points and Jack Dignan had 10 points and five steals.
John Perez led the Cardinals with 20 points.
Alexis Nunez scored 16 points, but SUNY Cobleskill lost a North Eastern Athletic Conference game Saturday on the road.
Unatego graduate Travis Woods contributed 12 points and nine rebounds for the Fighting Tigers (5-16, 3-8), who received 10 points from Will Davis.
CJ Dunston’s 19 points paced Lancaster Bible (3-18, 3-9), who took a 38-29 lead into halftime.
Hartwick dropped its two matches Sunday during the Stanford Invitational, following a 12-4 loss to eighth-ranked San Jose State University with a 9-6 setback against No. 14 Indiana University.
Katie Ermakova had two goals and a steal to lead Hartwick in the opener. Sami Capparelli had one goal, one assist and three steals for the Hawks, who got a goal from Jemma Dendy Young and eight saves from Haley Cox.
Capparelli had five goals against Indiana, Dendy Young scored once and Cox made six saves.
Hartwick (3-3), which is ranked 16th, continues its California trip Thursday, when it visits seventh-ranked San Diego State.
Sami Capparelli and Katie Ermakova had two goals apiece, but Hartwick fell, 9-7, to 17th-ranked Pacific (6-2) on Saturday.
Jemma Dendy Young, Allison Kosich and Britt Tait also scored for the Hawks, who got six saves from Haley Cox.
Hartwick opened the invitational with back-to-back victories, following a 24-8 win over Azusa Pacific with a 13-10 defeat of CSU East Bay.