The College Football Playoff pairings were set Sunday, and for the first time since 2015, four Power 5 conference championships earned berths to the Dec. 28 games.
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The CFP selection committee said top-ranked LSU will face No. 4 Oklahoma in Atlanta in the Chick-fil-A Peach Bowl at 4 p.m. EST, while No. 2 Ohio State will compete against No. 3 Clemson in the PlayStation Fiesta Bowl in Glendale, Ariz., at 8 p.m. EST, ESPN reported.
The semifinal games will be televised on ESPN. The two winners will meet Jan. 13 at the Mercedes-Benz Superdome in New Orleans to determine the national champion.
LSU, Ohio State and Clemson are all 13-0. Oklahoma is 12-1.
LSU regained the No. 1 ranking with a convincing 37-10 victory against Georgia in the Southeastern Conference championship game Saturday. According to ESPN, the win was LSU's fifth against an Associated Press top-10 team this season, tying a record for the most in a single season since the AP Poll was established in 1936.
"Our goal was to go to the SEC championship and win it; that was one of our goals," LSU coach Ed Orgeron told ESPN on Sunday. "... But we're not done yet. That wasn't our final destination. I'm very proud of our offense, I'm very proud of our defense and all our coaches, but we still have some work to do."
Ohio State extended its winning streak to 19 games by rallying past Wisconsin, 34-21, in the Big Ten championship game Saturday. Clemson cruised past Virginia 62-17 in the Atlantic Coast Conference championship game.
Oklahoma needed overtime to defeat Baylor, 30-23, in the Big 12 championship game, KOKI-TV reported.