Sixteen months ago, as St. Thomas prepared to complete an unprecedented jump up in competition, one set of just-for-fun national power rankings pegged the Minnesota Catholic school as dead last among the 128 teams for its rookie season in the Football Championship Subdivision. How’s this for a successful transition? Last week, the Tommies clinched at least a share of their conference championship. They’re 21st in the latest coaches poll with a 9-1 overall record.