The victory pushed UA’s overall record to 14-16 on the year and to 2-4 in the Pac-10. OSU dropped to 21-9 overall and to 3-3 in the conference race.
Coulon (1-2), whose previous career-best was 5 1/3 innings, scattered five hits and allowed the one run on a bunt single in the fourth inning. The sophomore southpaw finished with just two strikeouts against five walks, but induced the Beavers into 12 ground ball outs. The effort earned him in his first victory of the year.
Fellow left-hander Matt Baugh closed out the game with a scoreless final two innings of work. He struck out two and walked one.
Jon Gaston, who finished the game 2 for 4 with three runs scored and a pair of RBI, put Arizona up 1-0 after getting hit to lead off the second inning, stealing second and coming home on a RBI-single by Konrad Schmidt.
Gaston then hit his team-leading fourth home run of the year to lead off the fourth to extend UA’s advantage to 2-0, and added a run-scoring single in the fifth to answer’s OSU’s run in the bottom of the fourth.
Junior Bill Rhinehart scored two more runs in UA’s three-run fifth with double down the right field line to score David Plante and Gaston to push UA’s lead to 5-1, and the Wildcats added two more in the sixth and one in the seventh.
OSU’s Anton Maxwell was charged with the loss after giving up five runs on seven hits in 4 1/3 innings. He struck out three and walked two.