The Spartans (10-3) now have won seven of their last eight games.
UNC Greensboro led 34-25 at intermission and emerged from the break to take control with a 14-0 run. Allegri made a 3-pointer, a layup and jump shot in succession to give the Spartans control for good. Tyler Sharpe's 3-pointer with just under 16 minutes remaining were the Norse's first points of the second half.
James Dickey finished with 13 rebounds and four blocked shots. UNC Greensboro's bench outscored NKU's 30-7.
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