No. 21 Arizona men's basketball opened its season with a commanding win, defeating Northern Arizona 91-52 at home in Tucson Wednesday night. Zeke Nnaji led the Wildcats with 20 points, four rebounds and an assist, while Isaiah Lewis led the Lumberjacks with 13 points and six rebounds. As a whole, Arizona shot 54% from the field on the night (33-61) and NAU shot 31% (17-54). The Wildcats return to action Sunday against Illinois at 7:00 p.m. PT/ 8:00 p.m. MT on Pac-12 Networks.