With the score tied 55-all, Adewunmi was fouled with three seconds remaining and sank both of his free throws for the winning margin. Incarnate Word's Augustine Ene missed a 3-pointer with a second to go.
Keaston Willis had 14 points off the bench for the Cardinals (1-3). Vincent Miszkiewicz added 12 points, 12 rebounds and four blocks.
Southern Illinois-Edwardsville (2-2) faces South Dakota on the road on Monday. Incarnate Word takes on Bethune-Cookman at home on Friday.
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