As of today, Tony Parker and Tim Duncan are 1st and 2nd in the league for points in the paint. A point guard has never led the league in points in the paint for an entire season, as far as I know.

Here is how the top 5 stack up:

  Tony
Parker
Tim
Duncan
Shawn
Marion
Carmelo
Anthony
LeBron
James
HEIGHT 6′ 2″ 6′ 11″ 6′ 7″ 6′ 8″ 6′ 8″
POINTS 496 478 466 458 456