Analytics has Enes Kanter among top ten in PER
Enes Kanter is doing pretty well in OKC, and his defense went from bad to tolerable

Hollinger Stats - Player Efficiency Rating - Qualified Players
RK PLAYER GP MPG TS% AST TO USG ORR DRR REBR PER VA EWA
1 Stephen Curry, GS 13 35.6 .692 16.9 10.8 32.9 1.5 14.3 8.2 34.87 164.9 5.5
2 Russell Westbrook, OKC 12 35.0 .574 26.1 12.7 36.9 7.3 16.9 12.3 32.15 132.6 4.4
3 Blake Griffin, LAC 11 34.5 .601 15.4 6.4 29.1 7.2 20.2 13.8 30.52 107.6 3.6
4 Kevin Durant, OKC 8 34.8 .633 10.9 8.2 28.6 0.8 21.3 11.4 29.22 77.7 2.6
5 LeBron James, CLE 12 36.5 .576 18.4 10.3 33.0 4.0 16.7 10.6 27.87 113.5 3.8
6 Hassan Whiteside, MIA 11 28.8 .622 1.9 15.0 20.4 11.0 31.1 21.3 27.84 81.6 2.7
7 DeMarcus Cousins, SAC 8 32.3 .552 7.4 10.3 34.4 9.5 28.4 18.8 26.04 56.0 1.9
8 Derrick Favors, UTAH 11 30.3 .559 8.4 8.9 22.5 9.9 25.6 17.6 26.00 72.0 2.4
9 Kawhi Leonard, SA 10 33.4 .598 8.1 6.2 24.1 3.6 20.4 12.6 25.41 74.3 2.5
10 Enes Kanter, OKC 12 21.4 .616 6.4 10.8 22.8 17.3 25.9 21.8 25.05 55.4 1.8
Enes Kanter is doing pretty well in OKC, and his defense went from bad to tolerable

Hollinger Stats - Player Efficiency Rating - Qualified Players
RK PLAYER GP MPG TS% AST TO USG ORR DRR REBR PER VA EWA
1 Stephen Curry, GS 13 35.6 .692 16.9 10.8 32.9 1.5 14.3 8.2 34.87 164.9 5.5
2 Russell Westbrook, OKC 12 35.0 .574 26.1 12.7 36.9 7.3 16.9 12.3 32.15 132.6 4.4
3 Blake Griffin, LAC 11 34.5 .601 15.4 6.4 29.1 7.2 20.2 13.8 30.52 107.6 3.6
4 Kevin Durant, OKC 8 34.8 .633 10.9 8.2 28.6 0.8 21.3 11.4 29.22 77.7 2.6
5 LeBron James, CLE 12 36.5 .576 18.4 10.3 33.0 4.0 16.7 10.6 27.87 113.5 3.8
6 Hassan Whiteside, MIA 11 28.8 .622 1.9 15.0 20.4 11.0 31.1 21.3 27.84 81.6 2.7
7 DeMarcus Cousins, SAC 8 32.3 .552 7.4 10.3 34.4 9.5 28.4 18.8 26.04 56.0 1.9
8 Derrick Favors, UTAH 11 30.3 .559 8.4 8.9 22.5 9.9 25.6 17.6 26.00 72.0 2.4
9 Kawhi Leonard, SA 10 33.4 .598 8.1 6.2 24.1 3.6 20.4 12.6 25.41 74.3 2.5
10 Enes Kanter, OKC 12 21.4 .616 6.4 10.8 22.8 17.3 25.9 21.8 25.05 55.4 1.8