Why Alabama made change at QB

Tua Tagovailoa and his family met on a set of steps near the tunnel leading to Alabama's locker room.

As Tagovailoa celebrated with his parents, his brother watched as a large group of reporters rushed over to get video of the family's celebration.

He just smiled and nodded.

That moment likely wouldn't have been possible without this special freshman quarterback, who -- after 13 1/2 games as Jalen Hurts' backup -- stepped in and led Alabama to a national championship Monday night.

"To be able to come in the national championship game like that as a true freshman, and to be poised and to make plays like that, it says a lot about him," former Alabama tight end O.J. Howard said. "His performance…