data-mm-id=”_mu2n6znsz”>Watching Marcus Smart play basketball is a difficult experience to describe. The joy of watching him go horizontal in an effort to recover a loose ball can be almost immediately offset by an off-balance bricked transition three– and it often is. Frustration bubbles over as he tries to flop for a foul that not even a blind grandmother would give him, then completely disappears as he gets back up and sprints down the floor for a chase-down block. Early in his career, that chaos was completely unchecked. But he's learned to control that chaos to affect basketball games in a net positive manner. Besides his All-NBA defense, Smart has turned into one of those guys who makes "winning plays." If the Boston Celtics need a turnover on a crucial possession…