OXFORD, Ohio -- Michael Weathers scored 18 of his 26 points after halftime, twin brother Marcus Weathers had his first career double-double and Miami (Ohio) overcame a 15-point deficit to beat Grambling State 78-76 in overtime on Wednesday night.

Michael Weathers was 8-for-14 shooting and had a career-best eight assists while Marcus Weathers had career highs of 18 points and 12 rebounds. Jake Wright and Abdoulaye Harouna scored 12 points apiece -- including six in overtime by Harouna.

Harouna made a 3-pointer and Michael Weathers hit two free throws to make it 70-65 with 3:51 left in overtime and Miami (4-3) led the rest of the way.

Avery Ugba was fouled as he made a layup with 1:22 left, but he missed the free throw and the Tigers trailed 74-73. Marcus Weathers missed two free throws but, after Nigel Ribiero's offensive foul on the other end, his dunk -- and a layup by Harouna -- made it 78-73 with 12 seconds to go.

Ribiero's 3 with 8:52 left in regulation gave Grambling State (3-5) a 62-47 lead but the RedHawks scored 18 of the next 21 points to tie it at 65.

Michael Weathers blocked a potential winning jumper with two seconds left to force OT.