By any measure — spreadsheet, some nerd’s algorithm or Fat Joey’s Calzone and Sportsbook — the No. 5 Oregon Ducks‘ College Football Playoff opener looks like a formality dressed up as a national event. The Ducks open Saturday against No. 12 James Madison at Autzen Stadium as 21-point favorites — projected as a primetime belt-to-buns hardly worth pundits’ coveted analysis. …