Savannah State was ahead 62-52, its largest advantage of the game, with just under five minutes left, but UMES got within 64-61 two minutes later.
SSU made its first nine free throws before missing three straight late to let UMES back in it. But Sellers made two straight to seal it with 11.4 remaining, making it 67-63.
It was tied at 29 at halftime and the game finished with 14 lead changes.
Utah outlasts Minnesota for 73-69 victory
Timmy Allen scored 19 points and collected 10 rebounds while Both Gach added 19 points to help Utah beat Minnesota 73-69 on Friday night.
No. 8 Gonzaga cruises by Texas A&M for 79-49 victory
Admon Gilder and Ryan Woolridge each scored 16 points, and No. 8 Gonzaga routed Texas A&M 79-49 on Friday night.
Olaniyi, Foreman lift Stony Brook past Texas A&M-CC 68-63
Elijah Olaniyi scored 19 points as Stony Brook edged past Texas A&M-Corpus Christi 68-63 on Friday night. Makale Foreman added 17 points for the Seawolves, while Andrew Garcia chipped in 15.