Central Michigan scored three fourth-quarter touchdowns, the last a 15-yard run by Jahray Hayes with 8:24 left, to get within two, but the Broncos (2-3, 1-0 Mid-American) were able to run out the clock on a 15-play, 66-yard drive to seal the win.
Terrell was 15 of 22 for 262 yards. Daniel Braverman had six catches for 137 yards and three touchdowns. Jarvion Franklin added 127 yards on 22 carries and an 11-yard touchdown on the ground for Western Michigan.
Central Michigan (2-4, 1-1) was led by Cooper Rush, who went 23 of 32 for 321 yards and four touchdowns passes. Mark Chapman had four catches for 92 yards and a score, and Ben McCord had two touchdown receptions.