The Flames (11-12, 5-5 Horizon League) took a 54-44 lead after a 10-4 run capped by Ottey's layup with 5:54 left. Cole Gentry made back-to-back layups to cut the deficit to six for the Raiders (12-11, 6-4). Ottey answered with a dunk and Ferguson followed with a layup to push the lead back to 10.
Wright State's Bill Wampler made a pair of free throws but the Raiders missed their final four shots from the field and UIC closed the game on a 6-0 run.
Wampler and Loudon Love scored 13 points apiece and Gentry added 10 for Wright State.
The Raiders opened the game with a 14-4 run and briefly led in the second half at 32-30. They finished the game shooting 28 percent from the field and 16 percent from 3-point range.
NCAA places Miss. State on 3 years probation
Mississippi State's football and men's basketball teams will not receive postseason bans in the aftermath of an academic scandal involving a tutor.
Scouting the draft: RJ Barrett projects to be even better in the NBA
ESPN NBA draft analyst Mike Schmitz explains how RJ Barrett's circumstances might have held him back at Duke.
Memphis will hold pro day for NBA teams featuring potential lottery picks
The pro day, featuring James Wiseman and Precious Achiuwa, will have a similar format to the draft combine.