Donovan Mitchell slammed ... in the race for the No. 1 seed in the East. Mitchell, who stands at 6-foot-3, tried to set the tone early with his emphatic dunk over Boston's 7-2 center, Kristaps ...

Mitchell's slam will be hard to top. This article was originally published on www.si.com as Donovan Mitchell Enters Dunk of the Year Talks With Poster Over Kristaps Porzingis.

CLEVELAND, Ohio — Throughout the season, Donovan Mitchell had heard ... Mitchell, a former NBA Slam Dunk champion, put a jolt into the arena with a thunderous poster slam over Celtics center ...