Before they were household names, these high school stars electrified crowds at the Sprite Jam Fest -- the ultimate prelude to the McDonald's All American Games.

Luka Doncic came up big in the fourth quarter, but it was a LeBron James tip-in as time ... His second throwdown of the quarter was a monster jam on Myles Turner. Speaking of Turner, he was ...

The Lakers' three-headed monster of LeBron James ... play saw Doncic throw an alley-oop to James, leading to a thunderous one-handed jam. Some compared the post-dunk celebration to an iconic ...