He jumped right over Heat guard Caleb Martin and threw down a nasty poster dunk. At that point, Tatum had 18 points, 10 rebounds, and five assists for the game, but it was Derrick White who ...

In the Boston Celtics' final preseason outing against the Toronto Raptors, Tatum had the timeline buzzing in the first quarter, rising up over Bruno Fernando to throw down a vicious poster dunk.