Clarke connected on 7-of-15 from the field overall and Kellen Dunham provided 12 points for the Bulldogs (10-2).
Khyle Marshall supplied nine points and 11 rebounds as Butler racked up its seventh straight triumph.
The best the Commodores (5-6) could do was a 10-point performance from Kyle Fuller.
Ray Liotta sues skin care company over use of likeness
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