NORMAL, ILL.—The Central College women’s golf team shaved seven strokes off its first-round score but remained 15th in the 21-team Kathy Niepagen Spring Fling Sunday. Competing at the par-72 Ironwood Golf Course, Mackenzie Biggs (senior, Bloomington, Ill., Normal HS) fired a 76 to finish at 78-76—154, tying for 16th in the 36-hole tourney as she nears the end of a stellar career. Central shot 338-331—669. The host school, No. 12-ranked Illinois Wesleyan University, took the title at 288-293—581, 17 shots better than No. 11 St. Catherine University (Minn.), which had 303-295—598. No. 18 Carleton College (Minn.) slipped a notch to…