Isaac Okoro had the lowest PER in 2020-21, with a 7.9 rating in his rookie season.

Interpreted as:

worst player efficiency rating with a minimum of 2000 minutes played per 82 team games by a player 2021

	NAME	PER	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Isaac Okoro I. Okoro	7.9	2020-21	CLE	67	32.4	9.6	3.1	1.9	0.9	0.4	3.5	8.3	42.0	0.9	3.2	29.0	1.7	2.3	72.6	51.4	1.0	2.1	1.3	2,173	646	206	128	62	24	86	185	-407
2	Theo Maledon T. Maledon	8.1	2020-21	OKC	65	27.4	10.1	3.2	3.5	0.9	0.2	3.5	9.4	36.8	1.6	4.8	33.5	1.6	2.1	74.8	48.9	0.4	2.9	2.2	1,778	658	211	227	56	11	141	126	-621
3	Royce O'Neale R. O'Neale	9.9	2020-21	UTA	71	31.5	7.0	6.8	2.5	0.8	0.5	2.5	5.5	44.4	1.5	3.9	38.5	0.5	0.6	84.8	59.9	1.2	5.6	1.2	2,240	496	485	181	57	32	83	182	+471
4	Dwayne Bacon D. Bacon	9.9	2020-21	ORL	72	25.7	10.9	3.1	1.3	0.6	0.1	4.1	10.1	40.2	0.8	2.9	28.5	2.0	2.4	82.4	49.0	0.4	2.7	0.6	1,853	788	224	93	45	5	46	103	-445
5	Justin Holiday J. Holiday	10.4	2020-21	IND	72	30.3	10.5	3.6	1.7	1.0	0.6	3.6	8.7	41.3	2.4	6.3	38.2	0.9	1.2	78.8	57.1	0.4	3.1	0.8	2,183	756	256	119	74	41	54	135	-45
6	Patrick Williams P. Williams	10.5	2020-21	CHI	71	27.9	9.2	4.6	1.4	0.9	0.6	3.6	7.4	48.3	0.8	1.9	39.1	1.3	1.8	72.8	56.2	0.9	3.7	1.4	1,983	655	327	99	64	46	98	126	-292
7	Kentavious Caldwell-Pope K. Caldwell-Pope	10.7	2020-21	LAL	67	28.4	9.7	2.7	1.9	0.9	0.4	3.3	7.6	43.1	1.8	4.4	41.0	1.4	1.7	86.6	58.8	0.4	2.3	1.0	1,902	653	179	127	62	26	66	114	+138
8	Duncan Robinson D. Robinson	11	2020-21	MIA	72	31.4	13.1	3.5	1.8	0.6	0.3	4.4	10.0	43.9	3.5	8.5	40.8	0.9	1.0	82.7	62.8	0.1	3.4	1.1	2,261	942	250	127	43	20	81	181	+118
9	Reggie Bullock Jr. R. Bullock Jr.	11.1	2020-21	NYK	65	30.0	10.9	3.4	1.5	0.8	0.2	3.8	8.6	44.2	2.5	6.1	41.0	0.8	0.8	90.9	60.6	0.2	3.2	0.7	1,949	709	223	99	52	11	45	146	+107
10	Robert Covington R. Covington	11.2	2020-21	POR	70	32.0	8.5	6.7	1.7	1.4	1.2	2.9	7.3	40.1	1.9	5.1	37.9	0.7	0.9	80.6	55.3	0.9	5.8	0.9	2,243	593	466	117	101	84	64	195	+203
11	Rui Hachimura R. Hachimura	11.4	2020-21	WAS	57	31.5	13.8	5.5	1.4	0.8	0.1	5.4	11.4	47.8	0.8	2.4	32.8	2.2	2.8	77.0	54.9	0.9	4.6	1.2	1,797	789	312	82	44	7	68	120	-111
12	Eric Bledsoe E. Bledsoe	11.5	2020-21	NOP	71	29.7	12.2	3.4	3.8	0.8	0.3	4.3	10.3	42.1	1.7	5.0	34.1	1.9	2.7	68.7	53.3	0.4	3.0	1.6	2,111	869	244	268	55	24	114	112	-66
13	Josh Richardson J. Richardson	11.9	2020-21	DAL	59	30.3	12.1	3.3	2.6	1.0	0.4	4.5	10.5	42.7	1.5	4.5	33.0	1.7	1.8	91.7	53.7	0.9	2.4	1.3	1,789	715	195	153	61	24	79	130	-46
14	Coby White C. White	12	2020-21	CHI	69	31.2	15.1	4.1	4.8	0.6	0.2	5.4	13.1	41.6	2.4	6.6	35.9	1.9	2.1	90.1	54.0	0.4	3.7	2.3	2,156	1,041	284	328	38	15	156	179	-107
15	Dorian Finney-Smith D. Finney-Smith	12	2020-21	DAL	60	32.0	9.8	5.4	1.7	0.9	0.4	3.7	7.8	47.2	2.0	5.0	39.4	0.5	0.7	75.6	60.9	1.6	3.8	0.8	1,920	590	326	102	52	25	48	138	+199
16	Gary Trent Jr. G. Trent Jr.	12.1	2020-21	TOT	58	31.1	15.3	2.6	1.4	1.0	0.2	5.5	13.5	40.8	2.8	7.4	38.5	1.4	1.8	78.3	53.4	0.5	2.2	0.7	1,802	888	152	80	56	10	43	92	-58
17	Dillon Brooks D. Brooks	12.1	2020-21	MEM	67	29.8	17.2	2.9	2.3	1.2	0.4	6.4	15.4	41.9	1.9	5.6	34.4	2.4	2.9	81.5	51.5	0.8	2.1	1.8	1,997	1,151	196	157	78	26	119	237	+153
18	Danny Green D. Green	12.1	2020-21	PHI	69	28.0	9.5	3.8	1.7	1.3	0.8	3.2	7.9	41.2	2.5	6.3	40.5	0.4	0.6	77.5	58.2	0.8	3.0	1.0	1,934	654	260	118	92	56	67	125	+312
19	Kevin Huerter K. Huerter	12.1	2020-21	ATL	69	30.8	11.9	3.3	3.5	1.2	0.3	4.6	10.6	43.2	2.0	5.6	36.3	0.7	0.9	78.1	54.1	0.6	2.8	1.1	2,126	822	231	241	82	18	79	165	+69
20	Saddiq Bey S. Bey	12.6	2020-21	DET	70	27.3	12.2	4.5	1.4	0.7	0.2	4.0	9.9	40.4	2.5	6.6	38.0	1.8	2.1	84.4	56.7	0.6	3.9	0.9	1,909	857	318	95	52	14	60	110	-213
21	Kyle Kuzma K. Kuzma	12.7	2020-21	LAL	68	28.7	12.9	6.1	1.9	0.5	0.6	4.9	11.1	44.3	2.0	5.6	36.1	1.0	1.4	69.1	54.6	1.6	4.5	1.7	1,954	874	417	127	35	41	113	121	-3
22	Buddy Hield B. Hield	12.8	2020-21	SAC	71	34.3	16.6	4.7	3.6	0.9	0.4	5.7	14.0	40.6	4.0	10.2	39.1	1.2	1.5	84.6	56.7	0.4	4.3	1.8	2,433	1,176	334	257	63	30	130	175	-56
23	Nicolas Batum N. Batum	12.9	2020-21	LAC	67	27.4	8.1	4.7	2.2	1.0	0.6	2.9	6.1	46.4	1.6	4.1	40.4	0.7	0.9	82.8	61.7	0.7	4.0	0.8	1,835	540	316	148	69	37	53	102	+338
24	Donte DiVincenzo D. DiVincenzo	13	2020-21	MIL	66	27.5	10.4	5.8	3.1	1.1	0.2	3.8	9.1	42.0	2.0	5.2	37.9	0.8	1.1	71.8	54.2	1.2	4.5	1.4	1,814	688	380	203	72	15	91	112	+304
25	Jeff Green J. Green	13	2020-21	BKN	68	27.0	11.0	3.9	1.6	0.5	0.4	3.8	7.8	49.2	1.5	3.7	41.2	1.8	2.4	77.6	62.4	0.5	3.4	0.8	1,835	750	263	108	36	27	54	122	+113