TULSA (AP) — Minnesota had yet to win a game this season outside of Williams Arena in Minneapolis, so their so-called neutral-site game on Saturday against Oklahoma State in Tulsa was a big test. Gabe Kalscheur scored 24 of his career-high 34 points in the first half to help lead Minnesota to an 86-66 victory, about 70 miles from Oklahoma State’s campus. Gophers coach Richard Pitino believes…