WATCH: Marcus Freeman animated at sidelines, gets in heated discussion with refs at Orange Bowl

Marcus Freeman is one of the most passionate coaches in college football. He is known to hype up his players and get the best out of them on the field.

The Notre Dame head coach was at it in the fourth quarter of his side's matchup against the Penn State Nittany Lions. Freeman confronted the referees after a pass interference was called on what he felt was a clean interception off Penn State's Drew Allar.

Freeman looked frustrated by the call and made his feelings known to the referees immediately afterward.

Marcus Freeman's Notre Dame beats Penn State to advance to the CFP National Championship Game

However, that didn't stop the Fighting Irish from securing a famous win at the Hard Rock Stadium. Marcus Freeman's side pulled off a set of clutch plays in the final stretch to seal a 27-24 win over the Penn State Nittany Lions.

Penn State held the ball with a minute left in the game, and Drew Allar threw a pass aiming for a receiver. However, Notre Dame's Christian Gray read the throw and snagged a crucial interception. The interception might be Allar's final relevant play as the Nittany Lions quarterback will likely declare for the 2025 NFL draft.

Notre Dame promptly regrouped, with Riley Leonard walking down the opposition defense before Mitch Jeter made a 41-yard field goal to give his side a three-point lead. Penn State got back the ball, but it was a little too late. The Fighting Irish celebrated a famous win, securing a final berth in the inaugural expanded college football playoffs.

The Notre Dame Fighting Irish will now wait for the winner of the Ohio State versus Texas Longhorns game in the other CFP semifinal matchup. They'll fancy their chances after a win over a resolute Penn State Nittany Lions side.

The Fighting Irish won despite a two-interception game from the usually-reliable Riley Leonard. Marcus Freeman will work on that to pull off a win in his first National Championship Game as head coach.