Undefeated Oregon got top billing Tuesday in the first set of rankings on the road to college football’s new 12-team playoff. A 13-member selection committee released its first top-25 list, and saw what most of the country has seen this year — that with a 9-0 record, five wins in the Big Ten by three touchdowns or more, and a key victory over Ohio State, coach Dan Lanning’s Ducks are the best in the country. Ohio State, Georgia and Miami were ranked 2, 3 and 4, respectively, in the first of six weekly polls the committee will release, culminating with the Dec. 8 rankings that will be used to s…