O'Brien batted .867 (13-of-15) with four doubles, two home runs, an on-base percentage of .889 and a slugging percentage of 1.533 last week to help the Warhawks to a 6-0 record. She also didn't commit an error in the field and tallied 55 putouts. In the team's first game of the week, a 3-1 win over nationally-ranked Carroll on Monday, O'Brien finished 3-for-3 with one double and two runs scored. She finished the doubleheader with two more hits and one run scored in the nightcap. In UW-Whitewater's doubleheader sweep over Chicago on Saturday, O'Brien finished 6-for-6 at the plate with three doubles, two homers, one walk, two runs scored and four runs batted in. One day later, she registered two more hits in UW-W's 8-2 victory over Wisconsin Lutheran, and drew two walks and scored a run in the second game of the twin bill, a 17-0 Warhawk win in five innings.