Top 20 Dunkers in NBA History By James Caricato / Dec 3, Mon 1373 Link facebook twitter email 20. J.R. Smith He might not know how to keep score, but his dunking ability is A1. From windmills, to between the legs, 360s, and reverses, J.R. Smith has given the NBA fans a collection of dunks that is hard to beat. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Join the Discussion