Watch: Jefferson slaps backboard after alley-oop jam

Richard Jefferson's birth certificate may list him as a 35-year-old, but he looks more like a man in his mid-20s when he steps onto the basketball court.

"The King of Snapchat" showed off his high-flying ability in Wednesday night's Game 5 Eastern Conference finals matchup, finishing off a LeBron James alley-oop and slamming his hand on the backboard.