Bester sprinted 59 yards for a touchdown and had a 1-yard plunge for another score while Gabbert connected with Andrew Homer for a 35-yard score and Jalen Walker for a 60-yarder during a 27-point second quarter that left the RedHawks up 37-3 at halftime.
Mike Brown gave Miami a quick lead with a 79-yard interception return within the first two minutes of the game.
The victory (6-4, 5-1) was the fourth in a row for the RedHawks and strengthened their grip on first place in the Mid-American Conference East Division lead with two games remaining.
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