Clemson quarterback Deshaun Watson and Shaq Smith (5) celebrate their last-second touchdown pass to beat Alabama in the national championship game.

Alabama's Bo Scarbrough runs for a touchdown in the first half of Monday's championship game in Tampa, Fla., giving his team an early lead.

Clemson quarterback Deshaun Watson throws in the first half.

Alabama's O.J. Howard catches a touchdown pass in the third quarter.

Clemson's Deshaun Watson runs for a touchdown in the first half against Alabama. It was Clemson's only score of the first half.

Clemson's Mike Williams catches a pass in front of Alabama's Marlon Humphrey in the second half.

.Clemson's Hunter Renfrow breaks away for a touchdown catch in the third quarter.

Clemson's Wayne Gallman (9) dives into the end zone for a touchdown in the fourth quarter.

Alabama's Jalen Hurts runs for a touchdown in the fourth quarter to give the Crimson Tide a late lead.

Clemson quarterback Deshaun Watson celebrates his last-second touchdown pass to Hunter Renfrow, a play that was worth a national championship to Clemson.

Clemson head coach Dabo Swinney celebrates with Ben Boulware after winning the college football national championship Monday night.