NBA: Mitchell soars to dunk title, Booker sets 3-point record

Utah Jazz's Donovan Mitchell gestures after dunking during the NBA All-Star basketball Slam Dunk contest, Saturday, Feb. 17, 2018, in Los Angeles. Mitchell won the event. (AP Photo/Chris Pizzello)

LOS ANGELES — The NBA dunk contest was a throwback in many ways, with a 21-year-old rookie and a 25-year-old, third-year pro fighting it out for the trophy.