More than 20 years after it was on the other end of one of the biggest upsets in BCS history, Miami pulled off the biggest upset of the College Football Playoff era on New Year’s Eve. The No. 10 Hurricanes beat No. 2 Ohio State 24-14 in the Cotton Bowl to advance to the semifinal round of the playoff. Miami was a 9.5-point underdog at kickoff. Before Wednesday night, the biggest upset in playoff history — in either the four-team playoff or the current 12-team format — was Ohio State’s win over Alabama as a 7.5-point underdog on Jan. 1,...