Iowa star Alvaro Folgueiras knocked down the biggest shot of the NCAA Tourney, sending home the defending champion, and number one seed Florida Gators -- and the 20-year-old is walking TMZ Sports through the insane moment!

Iowa's Alvaro Folgueiras and Florida's Alex Condon were both called for technical fouls on a held-ball play Sunday during an NCAA Tournament game.

Alvaro Folgueiras hit the shot of his life and was lucky enough to have his mother in attendance. He spoke on what it meant and her resiliency.

Unlikely hero: Alvaro Folgueiras shines in Iowa's upset over Florida

Iowa basketball's Alvaro Folgueiras is intentional about what he does after knocking down a 3-pointer. For as long as he can remember, he points up to the sky. Fol

Álvaro Folgueiras played a season at DME Academy in Florida

And win or lose against more talented teams, that’s been the way Iowa has played in 30-plus games. Win or lose, these Hawkeyes fight for 40 minutes. Until the clock strikes :00. Need a news break? Check out the all new PLAY hub with puzzles,