McCullough is a 5-foot-6 junior from Harrisburg, Pa.
MSU-Northern dropped Frontier Conference games to the University of Providence 66-59 and No. 9 Carroll College 68-49.
McCullough averaged 23 points, five rebounds, 1.5 assists and one steal per game. She was 15 of 36 from field, 6 of 12, 3-point and 10 of 14 from free throw line.
Also nominated and listed in alphabetical order, Mackenzie Dethman of Rocky Mountain College, Maddy Dixon of the University of Providence, Brynley Fitzgerald of Montana Western, Kamden Hilborn of Carroll College and Tavia Rooney of Montana Tech.