Clemson (12-1) held onto the top spot and the playoff's top overall seed following its convincing 38-3 win over then-No.
The Crimson tide and Tigers will both be making their third playoff appearances, tying each other for the most appearances in the four-year life of the CFP.
The Ohio State University did not make the College Football Playoff. No. 3 Georgia. The Sooners beat TCU in Saturday's Big 12 Championship Game while Georgia took down Auburn in the SEC title game. Georgia put itself in position to make the playoff after a road win over Notre Dame in Week 2 and with the exception of their loss to the Tigers, the Bulldogs rolled through SEC play, winning by an average of 29 points in their seven regular season SEC victories.
Alabama (11-1) made it 4-for-4 in the playoff, the only team that has made them all. Clemson won the title last season, while Alabama won it two years ago. And with a big-name team like Ohio State - an 11-2 conference champ - being left out, you can expect calls for an expanded playoff field to only get louder. "And so we played three top-five teams, and we won two of them".
"You want to get the four best teams in the playoff", Alabama coach Nick Saban told ESPN before the pairings were announced.
This is the third straight postseason meeting between Alabama and Clemson.
Quarterback Baker Mayfield is playing like the Heisman Trophy frontrunner and Oklahoma's offense is a well-oiled machine at this point.
With how chaotic the final weeks of the season were, it raised the question of, if four is too small a number for the playoff field?
Wisconsin finished in sixth place in the College Football Playoff rankings.