Eight days after becoming the winningest coach in Colorado history, Tad Boyle and the Buffaloes (9-5, 1-2 Pac-12) edged out a road win down the stretch against the Stanford Cardinal (5-8, 0-3 Pac-12). The Cardinal remain winless in Pac-12 play, and the team’s postseason prospects look grimmer and grimmer by the day. An offensive explosion allowed the Buffaloes to build a 17-8 lead early in the…