Luka Doncic ranks No. 1 in the NBA in PER after the fifth week of the season at 33.1, ahead of Giannis  Antetokounmpo and James Harden. Doncic has a TS% of .632, AST% of 48.9 and TRB% of 15.5.

NBA PER Week 5
1. Luka Doncic: 33.1
2. Giannis Antetokounmpo: 31.8
3. James Harden: 30.1
4. Karl-Anthony Towns: 29.3
5. Mitchell Robinson: 28.4
6. Joel Embiid: 27.2
7. Anthony Davis: 27.1
8. LeBron James: 27.0
9. Kyrie Irving: 26.2
10. Paul George: 25.2
11. Damian Lillard: 25.1
12. Ivica Zubac: 25.0
13. Kawhi Leonard: 24.7
14. Montrezl Harrell: 24.5
15. Jimmy Butler: 24.4
16. Brandon Ingram: 23.3
17. Derrick Rose: 23.2
18. Hassan Whiteside: 23.2
19. Christian Wood: 23.1
20. Trae Young: 22.8
21. Bradley Beal: 22.7
22. Malcolm Brogdon: 22.5
23. Brandon Clarke: 22.4
24. Andre Drummond: 22.4
25. Chris Boucher: 22.3

Mitchell Robinson is now second in the NBA in PER after the fourth week of the season between Giannis Antetokounmpo and Karl-Anthony Towns. Robinson is in his second NBA season with the New York Knicks and was the 36th overall pick.

NBA PER (Week 4)
1. Giannis Antetokounmpo: 33.4
2. Mitchell Robinson: 32.4
3. Karl-Anthony Towns: 31.0
4. James Harden: 30.9
5. Luka Doncic: 29.8
6. LeBron James: 29.0
7. Ivica Zubac: 27.7
8. Damian Lillard: 27.3
9. Joel Embiid: 27.0
10. Kawhi Leonard: 26.6
11. Kyrie Irving : 26.2
12. Anthony Davis: 25.5
13. Hassan Whiteside: 24.3
14. Jimmy Butler: 24.3
15. Trae Young: 24.2
16. Brandon Ingram: 24.1
17. Derrick Rose: 23.8
18. Andre Drummond: 23.7
19. Bradley Beal: 23.4
20. Donovan Mitchell: 23.3
21. Kemba Walker: 23.0
22. Aron Baynes: 22.8
23. Robert Williams: 22.7
24. Malcolm Brogdon: 22.6
25. Montrezl Harrell: 22.6

Giannis Antetokounmpo has ascended to the top spot in Player Efficiency Rating after the third week of the NBA season, followed by Kawhi Leonard and Mitchell Robinson. Antetokounmpo finished the 18-19 season leading the NBA in PER on his way to his first MVP award.

NBA PER (Week 3)
1. Giannis Antetokounmpo: 33.3
2. Kawhi Leonard: 31.8
3. Mitchell Robinson: 31.1
4. Damian Lillard: 30.6
5. Ivica Zuabac: 30.0
6. James Harden: 29.3
7. Kyrie Irving: 29.1
8. Karl-Anthony Towns: 28.5
9. Luka Doncic: 28.3
10. Montrezl Harrell: 27.9
11. Anthony Davis: 27.8
12. Joel Embiid: 27.6
13. Derrick Rose: 27.3
14. LeBron James: 27.3
15. Jimmy Butler: 25.8
16. Andre Drummond: 25.8
17. Aron Baynes: 25.3
18. Trae Young: 25.1
19. Robert Williams: 25.0
20. Brandon Ingram: 24.1
21. Hassan Whiteside: 23.8
22. Tristan Thompson: 23.7
23. D'Angelo Russell: 23.3
24. Donovan Mitchell: 23.2
25. Malcolm Brogdon: 23.2

Karl-Anthony Towns leads the NBA in PER after the second week of the season, followed by Kawhi Leonard and Joel Embiid.

NBA PER (Week 2)
1. Karl-Anthony Towns: 36.7
2. Kawhi Leonard: 34.4
3. Joel Embiid: 33.7
4. Giannis Antetokounmpo: 31.4
5. Mitchell Robinson: 30.4
6. Kyrie Irving: 29.7
7. Anthony Davis: 29.6
8. Damian Lillard: 28.6
9. LeBron James: 28.3
10. Trae Young: 28.2
11. Luka Doncic: 27.9
12. Andre Drummond: 27.7
13. Derrick Rose: 27.5
14. Montrezl Harrell: 27.3
15. Donovan Mitchell: 27.2
16. Malcolm Brogdon: 27.0
17. Ivica Zubac: 26.9
18. Deandre Ayton: 26.3
19. Dejounte Murray: 26.1
20. Aron Baynes: 25.6
21. James Harden: 25.3
22. Nerlens Noel: 24.5
23. Brandon Ingram: 24.2
24. Jimmy Butler: 24.0
25. Willie Cauley-Stein: 23.8