College Football Playoff: Bama vs OU; Clemson vs Notre Dame
AP
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Alabama head coach Nick Saban, right, stands with Oklahoma head coach Lincoln Riley at an NCAA college football news conference in Fort Lauderdale, Fla., Friday, Dec. 28, 2018. Alabama plays Oklahoma in the Orange Bowl on Saturday, Dec. 29. (Photo: AP)

Oklahoma and Notre Dame are standing in the way of Alabama-Clemson Part IV.

The College Football Playoff semifinals are Saturday, with the top-ranked Crimson Tide facing No. 4 Oklahoma at the Orange Bowl in South Florida and No. 2 Clemson playing No. 3 Notre Dame at the Cotton Bowl in North Texas.

The Tigers (13-0) and Fighting Irish (12-0) meet in the first game of the semifinal doubleheader. The Irish are making their first CFP appearance.

The nightcap will feature Heisman Trophy winner Kyler Murray of Oklahoma (12-1) against Heisman runner-up Tua Tagovailoa of Alabama (13-0) in a matchup of star quarterbacks.

The winners advance to the national championship game on Jan. 7 in Santa Clara, California. Alabama and Clemson have faced off in the last three playoffs, including splitting two title games