The sophomore fired his second complete game of the season on Monday when he defeated Wisconsin Lutheran 6-3. In the win he struck out eight Warriors against only two walks. His second start came at Concordia Wisconsin where he tossed eight scoreless innings before giving up a pair of runs in the ninth inning. In 17 innings of work this week, O'Brien gave up five runs, four earned on 11 hits while striking out 14 batters.