"American Idol" Finale: Judges Crown David Archuleta Winner

Each of the dueling Davids raised his game on Tuesday's "American Idol," but only one received three glowing reviews from Simon Cowell, who called it a "knockout" performance.

That would be David Archuleta. The doe-eyed teen faced off against David Cook for the "Idol" title Tuesday night, and in Cowell's opinion, out-performed the 25-year-old rocker. Each David performed three songs in the final performance show, which rolled out announcer Michael Buffer ("Let's get ready to rumble!") to introduce the finalists in boxing robes and gloves.

Three rounds later, Cowell made his traditional prediction:

"You came out here tonight to win," Cowell said, "and what we have witnessed is a knockout." See more.