McCarthy and Ferrari combined to shoot 15 of 19 from the field and Ferrari made four 3-pointers. San Francisco finished shooting 30 of 55 (54.5 percent) and committed just six turnovers.
The Dons (17-3, 5-1 West Coast Conference) built a 25-10 lead and were never challenged. They shot 17 of 28 (60.7) from the field in the first half and led 42-21 at halftime as Portland missed all six of its 3-point shot attempts.
Portland (7-14, 0-6) now has lost seven straight and nine of its last 10. Marcus Shaver Jr. led the Pilots with 13 points and Jacob Tryon scored 11.
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