No. 1 Auburn (20-1) beat LSU 87-74; beat No. 23 Mississippi 92-82. No. 2 Duke (19-2) beat NC State 74-64; beat North Carolina 87-70. No. 3 Iowa St. (17-4) lost to Arizona 86-75, OT; lost to Kansas St.
Duke (East), Auburn (South) and Iowa State (West) and Alabama (Midwest ... Michael DeCourcy covers college basketball for FOX Sports with an emphasis on NCAA Tournament bracket projections.