Playoff Semifinals. Cotton Bowl Dec. 29, Orange Bowl Dec. National Championship. Santa Clara, CA Monday, Jan. 7. Playoff Semifinals. Peach. At this time, the selection committee will announce Playoff Semifinal matchups, New Year's bowl pairings, and the final Top 25 exclusively via College Football. The College Football Playoff National Championship was a bowl game that was used to . Clemson scored just three plays into the final quarter as Watson threw a touchdown pass to Mike Williams; this cut the lead down to 24–.