Kawhi Leonard has joined Stephen Curry, Russell Westbrook, Kevin Durant and Blake Griffin in the top-5, jumping from 14th to fifth since last week.

James Harden also had a big gain, going from 18th to 10th.

PER Rankings (Week 5)
1. Stephen Curry: 34.4
2. Russell Westbrook: 31.8
3. Kevin Durant: 31.2
4. Blake Griffin: 28.5
5. Kawhi Leonard: 27.2
6. LeBron James: 26.7
7. Hassan Whiteside: 26.1
8. DeMarcus Cousins: 26.1
9. Paul George: 26.0
10. James Harden: 25.1
11. Anthony Davis: 25.1
12. Derrick Favors: 25.1
13. Clint Capela: 24.8
14. Andre Drummond: 24.3
15. Chris Paul: 24.1
16. Kyle Lowry: 24.0
17. Enes Kanter: 23.8
18. Paul Millsap: 23.3
19. Eric Bledsoe: 22.9
20. Kevin Love: 22.4
21. Damian Lillard: 22.1
22. Dirk Nowitzki: 22.0
23. Greg Monroe: 22.0
24. Kemba Walker: 21.8
25. Chris Bosh: 21.8

The Oklahoma City Thunder have climbed back into the top-5 in Efficiency Differential, joining the Golden State Warriors, San Antonio Spurs, Cleveland Cavaliers and Indiana Pacers.

The Thunder had a +4.5 Efficiency Differential last week, which now sits at +6.6.

Other teams making notable gains: Magic (17th to 12th), Clippers (15th to 20th), Rockets (26th to 23rd)

Teams dropping: Celtics (4th to 7th), Suns (9th to 14th), Pistons (16th to 19th), Knicks (14th to 20th)

Full Week 5 Rankings

1. Golden State: 16.0
2. San Antonio: 10.3
3. Cleveland: 6.9
4. Oklahoma City: 6.6
5. Indiana: 6.4
6. Miami: 5.0
7. Boston: 4.2
8. Toronto: 4.0
9. Charlotte: 3.8
10. Utah: 2.5
11. Atlanta: 2.0
12. Orlando: 1.9
13. Dallas: 1.0
14. Phoenix: 1.0
15. L.A. Clippers: 0.9
16. Chicago: 0.4
17. Portland: -0.2
18. Minnesota: -0.2
19. Detroit: -0.7
20. New York: -2.0
21. Memphis: -3.4
22. Sacramento: -4.2
23. Houston: -5.9
24. Washington: -6.0
25. Denver: -6.1
26. Brooklyn: -7.0
27. New Orleans: -7.5
28. Milwaukee: -8.6
29. L.A. Lakers: -9.2
30. Philadelphia: -12.3

The Golden State Warriors unsurprisingly continue to hold the top spot in Efficiency Differential as they remain undefeated.

The San Antonio Spurs and Cleveland Cavaliers remain ranked second and third respectively, while the Boston Celtics and Indiana Pacers have moved into the top-5. The Celtics were previously ranked sixth, while the Pacers moved up from 15th to fifth in just one week.

Full Week 4 Rankings

1. Golden State: 14.4
2. San Antonio: 9.3
3. Cleveland: 7.6
4. Boston: 6.0
5. Indiana 5.4
6. Miami: 5.0
7. Toronto: 4.7
8. Oklahoma City: 4.5
9. Phoenix: 3.9
10. Charlotte: 3.5
11. Utah: 2.9
12. Dallas: 1.8
13. Atlanta: 1.5
14. New York: 1.2
15. Chicago: 1.1
16. Detroit: 0.6
17. Orlando: -0.5
18. Portland: -0.7
19. Minnesota: -1.2
20. L.A. Clippers: -1.6
21. Washington: -1.7
22. Sacramento: -3.7
23. Denver: -4.5
24. Memphis: -5.7
25. New Orleans -7.0
26. Houston: -7.0
27. L.A. Lakers: -7.4
28. Brooklyn: -7.9
29. Milwaukee: -9.7
30. Philadelphia: -14.6

Stephen Curry's PER continues to climb back down to human levels with a mark of 35.3 after 11 games, while Blake Griffin remains in the second position at 30.8.

DeMarcus Cousins jumped from 16th up to 7th this week, while Chris Bosh appears on the list for the first time this season and is now ranked 15th.

PER Rankings (Week 3)
1. Stephen Curry: 35.3
2. Blake Griffin: 30.8
3. Joffrey Lauvergne: 29.7
4. Russell Westbrook: 29.0
5. Kevin Durant: 29.0
6. LeBron James: 27.8
7. DeMarcus Cousins: 27.3
8. Hassan Whiteside: 26.2
9. Eric Bledsoe: 25.4
10. Derrick Favors: 25.4
11. Anthony Davis: 25.0
12. Greg Monroe: 24.9
13. Clint Capela: 24.8
14. Dwight Howard: 24.7
15. Chris Bosh: 24.7
16. Manu Ginobili: 24.3
17. Kawhi Leonard: 24.3
18. Andre Drummond: 23.9
19. Dirk Nowitzki: 23.7
20. Paul George: 23.4
21. Al Horford: 23.3
22. Andrew Bogut: 23.1
23. Kyle Lowry: 23.1
24. Enes Kanter: 22.8
25. Damian Lillard: 22.6

The Golden State Warriors continue to hold the top spot in Efficiency Differential by a comfortable margin, though the San Antonio Spurs jumped up from +9.6 points per 100 possessions to +10.9 ahead of the now third ranked Cleveland Cavaliers.

The Oklahoma City Thunder also moved up from eighth to fifth.

Full Week 3 Rankings

1. Golden State: 16.1
2. San Antonio: 10.9
3. Cleveland: 7.5
4. Miami: 6.8
5. Oklahoma City: 6.3
6. Boston: 5.6
7. Toronto: 5.1
8. Phoenix: 4.0
9. Utah: 4.0
10. Atlanta: 2.5
11. Charlotte: 2.3
12. Chicago: 2.0
13. Dallas: 0.9
14. L.A. Clippers: 0.9
15. Indiana: 0.4
16. New York: 0.0
17. Orlando: -0.3
18. Detroit: -0.6
19. Minnesota: -1.4
20. Portland: -1.6
21. Milwaukee: -4.0
22. Sacramento: -4.1
23. Denver: -4.8
24. L.A. Lakers: -5.0
25. Washington: -5.9
26. Houston: -6.9
27. Memphis: -8.2
28. Brooklyn: -9.3
29. New Orleans: -9.3
30. Philadelphia: -14.0

Stephen Curry continues his incredible start to the season with a PER of 40.2. 

PER Rankings (Week 2)
1. Stephen Curry: 40.2
2. Blake Griffin: 33.1
3. Russell Westbrook: 30.1
4. Joffrey Lauvergne: 29.7
5. Kevin Durant: 29.3
6. Andre Drummond: 27.9
7. LeBron James: 27.1
8. Manu Ginobili: 26.3
9. Dwight Howard: 26.0
10. Hassan Whiteside: 25.8
11. Clint Capela: 25.7
12. Greg Monroe: 25.6
13. Damian Lillard: 25.4
14. Al Jefferson: 25.1
15. Jared Sullinger: 24.8
16. DeMarcus Cousins: 24.5
17. Dirk Nowitzki: 24.2
18. Derrick Favors: 24.4
19. Enes Kanter: 24.2
20. Paul George: 23.9

With two weeks of the season now complete, the Golden State Warriors continue to hold the top slot in efficiency differential at +17.9 points per 100 possessions. The Warriors are scoring 113.5 points per 100 possessions while allowing 95.5 on defense at a pace of 102.0.

The Cleveland Cavaliers rank second at +9.8, followed by the San Antonio Spurs (+9.6), Utah Jazz (+9.6) and Miami Heat (+6.6).

The Toronto Raptors fell from fourth to 10th since last week, while the Heat jumped from 10th to fifth.

Full Week 2 Rankings
1. Golden State: 17.9
2. Cleveland: 9.8
3. San Antonio: 9.6
4. Utah: 9.1
5. Miami: 6.6
6. Detroit: 5.8
7. Atlanta: 5.8
8. Oklahoma City: 5.3
9. L.A. Clippers: 4.3
10. Toronto: 4.0
11. Boston: 3.3
12. Minnesota: 2.0
13. Portland: 1.8
14. Orlando: 1.1
15. Charlotte: 0.7
16. Phoenix: -0.1
17. New York: -0.3
18. Dallas: -1.0
19. Chicago: -1.4
20. Milwaukee: -3.5
21. Indiana: -3.6
22. Washington: -5.4
23. Houston: -5.7
24. Sacramento: -6.1
25. L.A. Lakers: -6.3
26. Denver: -6.3
27. Memphis: -11.5
28. New Orleans: -11.9
29. Philadelphia: -12.3
30. Brooklyn: -13.2

Stephen Curry leads the NBA in Player Efficiency Rating after the first week of the season with a mark of 53.4. Curry is averaging 39.3 points, 7.3 assists and 5.7 rebounds per game while shooting 58.8 percent from the floor and 48.6 percent on three-pointers.

PER Rankings (Week 1)
1. Stephen Curry: 53.4
2. Blake Griffin: 44.1
3. Russell Westbrook: 34.5
4. Derrick Favors: 32.7
5. Ricky Rubio: 31.8
6. D.J. Augustin: 31.6
7. Greg Monroe: 31.3
8. Joffrey Lauvergne: 30.7
9. Dirk Nowitzki: 29.9
10. Giannis Antetokounmpo: 28.3
11. Kevin Durant: 28.1
12. Kevin Love: 27.4
13. Clint Capela: 27.0
14. Manu Ginobili: 27.0
15. Karl-Anthony Towns: 27.0
16. Dwyane Wade: 26.7
17. Jimmy Butler: 26.0
18. Eric Bledsoe: 25.8
19. Nick Young: 25.8
20. Carmelo Anthony: 25.8

- Minimum 15 minutes per game

After the first week of the 15-16 NBA regular season, the Golden State Warriors rank first in efficiency differential at +16.3, followed by the Utah Jazz at +16.0 and the Cleveland Cavaliers at +13.3.

Full Week 1 Rankings

1. Golden State: 16.3
2. Utah: 16.0
3. Cleveland: 13.3
4. Toronto: 11.9
5. Oklahoma City: 10.3
6. San Antonio: 9.7
7. L.A. Clippers: 9.1
8. Minnesota: 9.1
9. Detroit: 7.2
10. Miami: 7.1
11. New York: 6.9
12. Chicago: 4.5
13. Phoenix: 4.3
14. Dallas: 3.3
15. Sacramento: 1.9
16. Atlanta: 1.0
17. Boston: -0.3
18. Washington: -0.3
19. Orlando: -2.8
20. Portland: -3.6
21. Memphis: -3.9
22. Charlotte: -5.3
23. Denver: -7.2
24. L.A. Lakers: -9.5
25. Indiana: -12.6
26. New Orleans: -15.6
27. Milwaukee: -17.2
28. Brooklyn: -18.3
29. Houston: -20.3
30. Philadelphia: -23.7