The Retrievers (4-26) rallied from 11 points down with less than eight minutes remaining and sent the game to overtime but could not defeat the Bearcats (2-28) for the third time this season.
The Bearcats led 55-44 with 7:58 remaining, but the Retrievers outscored Binghamton 14-3 down the stretch. Trailing 58-57 inside the final minute, Plummer was fouled after collecting a steal on the defensive end, but he converted only the first of two free throws to tie the score.
In overtime, Neller gave UMBC a 63-62 lead with a 3-pointer with 3:32 remaining, but put-backs by Ben Dickinson and Jabrille Williams on the next two possessions put the Bearcats ahead to stay.
Bowie State 72, Livingstone 68: The Bulldogs (22-5) earned their first Central Intercollegiate Athletic Association tournament victory since 2008 by defeating the Blue Bears (11-17) at Time Warner Cable Arena in Charlotte, N.C. Byron Westmorland (Mervo) hit two free throws with 1:22 left to give Bowie a 65-55 lead. Mark Thomas (22 points) made two 3-pointers to pull the Blue Bears within 68-66 with 27 seconds left, but All-CIAA guard Darren Clark (18 points, six assists, seven rebounds) was 4-for-4 from the free-throw line to shut the door.
Westmorland led Bowie with 20 points.
St. Mary's 69, Bethany 57: Junior guard Devin Spencer (Towson Catholic) scored a career-high 28 points to lead the host Seahawks (20-7) over the Bison (25-4) in the first round of the Division III championship tournament.
Coppin State 58, Bethune-Cookman 55: The Eagles (18-11, 13-3 MEAC) overcame a seven-point second-half deficit in their season-finale win over the Wildcats (10-18, 7-9 MEAC).
Navy 66, Colgate 54: A game-closing 11-4 run allowed the host Midshipmen (16-13) to secure a victory over the Raiders (8-22).
UMES 47, Savannah State 42: The visiting Hornets (10-19, 3-13 MEAC) tied the game nine times but could not keep the lead in the loss against the Hawks (11-17, 8-8).
Florida A&M 88, Morgan State 57: Jasmine Grice scored a game-high 20 points off the bench to lead five Rattlers (21-7, 14-2 MEAC) in double figures over the visiting Bears (6-23, 3-13 MEAC).