Football Kickoff Week presented by 76 — Pac-12 Networks' Mike Yam and Yogi Roth discuss how Cal's defense under third year head coach Justin Wilcox could improve after a stellar season last year. The Golden Bears, whose defensive unit led the conference in pass defense and interceptions last year, are looking to keep their perfect record against UC Davis intact in a series that dates back to 1932. Make sure to tune in on Saturday at 3:30 p.m. PT / 4:30 p.m. MT on Pac-12 Network + Pac-12 Now.