Watch: Bulls' Jimmy Butler blocks Jerryd Bayless' shot from behind
Earlier in the game, Butler blocked a shot from Ersan Ilyasova.
Butler, who was named to his first All-Star-Game this season, played 38 minutes for the Bulls and had 11 points, nine rebounds and four assists.
The Bulls beat the Bucks 87-71 in Chicago.
- Sarah Barshop