Grant scored 19 points overall, matching Jack Cooley, who also grabbed 12 rebounds as the Fighting Irish (3-1) claimed the third-place game of the Coaches vs. Cancer Classic at Barclays Center.
Eric Atkins contributed 16 points for Notre Dame, which shot 52 percent from the floor.
The Cougars (2-2) were led by Tyler Haws with 21 points.
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