Giannis Antetokounmpo Got An Early Start on the Dunk Contest with Windmill Slam vs. Portland

Giannis Antetokounmpo warmed up for the NBA Dunk Contest in two weeks with this powerful open-court windmill slam vs. the Blazers Saturday night. Antetokounmpo is second-favorite behind Zach LaVine to win the contest, which takes place Feb. 14 in Brooklyn.