Shedeur Sanders was 36-for-49 passing for 310 yards and four touchdowns as Colorado beat Colorado State 28-9 in the Rocky Mountain Showdown to retain the Centennial Cup on Saturday night in Fort Collins, Colo.Two-way star Travis Hunter had 13 receptions for 100 yards, two touchdowns and an interception on defense. LaJohntay Wester added 80 receiving yards and two touchdowns for the Buffaloes (2-1), who beat their longtime rivals for the seventh consecutive time.Brayden Fowler-Nicolosi completed 22-of-39 passes for 209 yards and two interceptions for CSU (1-2).Staked to a 14-3 first half lead, the Colorado defense forced turnovers on the Rams’ first three second-half possessions.After Colorado State’s defense forced a Colorado punt to start the third, Fowler-Nicolosi was flushed from the pocket, threw across the field and was intercepted by Preston Hodge. With a short field, the Buffaloes needed just two plays to take a 21-3 lead on Hunter’s 2-yard touchdown catch.The following 16-play CSU drive was thwarted on first and goal from the 4-yard line as LaVonta Bentley forced and recovered a fumble before the ball hit the ground. The teams traded turnovers as the Rams’ Chase Wilson recovered an Isaiah Augustave fumble.Hunter intercepted a fourth-down pass by Nicolosi and five plays later, capped a five play, 55-yard drive with a 21-yard touchdown catch and a 28-3 lead for Colorado.A 5-yard touchdown run by the Rams’ Justin Marshall in the fourth made the score 28-9. B.J. Green recovered a fumble late in the fourth — the Rams’ fourth turnover.