Forget all the stark changes that Scottie Barnes will have to deal with in his rookie season with the Raptors — like the overall size, speed and skill of his opponents, the grind of 82 games, the constant travel, the adaptation to living as a grown-up instead of enjoying university life.
It will be a subtle difference he has to learn to live with, something fans watching on TV and in person are not likely to notice but will have much to do with how he does in his first NBA season.
How many fingers he has on the ball when he lets fly a jump shot.