SAN JOSE, Calif. — With their outside shots falling and their defense harassing Oklahoma State all afternoon, the Oregon Ducks played well above their disappointing seeding and into the next round of the NCAA tournament. Damyean Dotson scored 17 points and Arsalan Kazemi added 11 points and 17 rebounds to help 12th-seeded Oregon extend a run that began in the Pac-12 tournament by beating the fifth-seeded Cowboys 68-55 in the second round on Thursday. Dominic Artis scored 13 points and helped frustrate Oklahoma State star freshman Marcus Smart on the defensive end to give the Ducks (27-8) their first tournament …