Amir Johnson, Screen Setter par excellence
From SBNation's Mike Prada:
Meet Amir Johnson, the NBA's meanest screen setter
"Amir Johnson averages a pedestrian 10 and 7 for a lottery team, so why do his +/- numbers say that his team is significantly better when he's in the game? Because he excels in one area that traditional stats don't track.
"The Toronto Raptors have a roster full of scorers who s…