Alright, I've thought this through long and hard and done my research:
MANU
He's one of my favorites to ever play. He does what it takes to win. As importantly, though, he's still an out-and-out baller if his minutes are under control. He's a very underrated defender, an elite distributor from the wing (he's basically been SA's PG off the bench), a bomber, as good on the ball as off, and a scorer from everywhere on the floor (including the stripe). Still. He led the Spurs in +/- last year (of real players, which does not include Jeffers), and his rate of production has shifted far more than it's waned or wavered. He's the face of the 6th man role, and that's what he's doing for me.