AP College Basketball Headlines At 11:30 p.m.
No. 1 Duke loses 90-63 at No. 25 Miami
NCAA reveals 'issue of improper conduct'
La Salle stuns No. 9 Butler on late hoop
Northwestern tops No. 12 Minnesota 55-48
Drake holds off No. 17 Creighton 74-69
Big 2nd half helps Indiana rip Penn St.
No. 8 Gators start slow but beat Georgia
No. 15 New Mexico gets by Colorado State
Singler powers Oregon by Washington St.
Early and Hall lead No. 20 Wichita St.
Copyright 2013 by The Associated Press
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