Rasmus Dahlin had the lowest plus/minus in 2020-21, at -36.

Interpreted as:

worst +/- by a player 2021

	NAME	+/-	SEASON	TM	GP	G	A	P	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Rasmus Dahlin R. Dahlin	-36	2020-21	BUF	56	5	18	23	26	1	10	0	0	0	0	115	4.3	0	0		80	45	13	36	21:36
2	Eric Staal E. Staal	-30	2020-21	TOT	53	5	8	13	10	1	2	0	0	1	1	82	6.1	268	547	49.0	23	15	17	24	14:43
3	Nolan Patrick N. Patrick	-30	2020-21	PHI	52	4	5	9	20	2	1	0	0	0	0	49	8.2	226	430	52.6	45	18	11	17	13:17
4	Patrik Laine P. Laine	-28	2020-21	TOT	46	12	12	24	25	4	3	0	0	1	1	82	14.6	6	25	24.0	36	15	9	40	17:27
5	Sam Reinhart S. Reinhart	-28	2020-21	BUF	54	25	15	40	10	10	6	0	0	5	0	130	19.2	126	276	45.7	15	27	17	22	19:32
6	David Savard D. Savard	-27	2020-21	TOT	54	1	5	6	24	0	0	0	1	1	0	69	1.4	0	0		132	109	7	24	19:51
7	Quinn Hughes Q. Hughes	-24	2020-21	VAN	56	3	38	41	22	0	19	0	0	0	0	98	3.1	0	0		18	43	34	60	22:48
8	Victor Olofsson V. Olofsson	-23	2020-21	BUF	56	13	19	32	6	7	8	0	0	0	0	129	10.1	1	2	50.0	17	12	23	25	17:24
9	Travis Sanheim T. Sanheim	-22	2020-21	PHI	55	3	12	15	23	0	0	0	0	1	1	100	3.0	0	0		48	73	17	40	21:53
10	Colin Miller C. Miller	-20	2020-21	BUF	48	4	8	12	27	1	3	0	0	0	0	64	6.3	0	0		91	51	14	25	18:00
11	Max Domi M. Domi	-18	2020-21	CBJ	54	9	15	24	75	2	1	0	0	2	1	99	9.1	192	396	48.5	15	10	18	41	15:13
12	Seth Jones S. Jones	-18	2020-21	CBJ	56	5	23	28	26	2	6	0	0	1	1	141	3.5	0	0		102	101	20	43	25:14
13	Erik Karlsson E. Karlsson	-18	2020-21	SJS	52	8	14	22	18	3	5	0	1	1	0	110	7.3	0	0		20	69	39	47	23:36
14	Rasmus Ristolainen R. Ristolainen	-18	2020-21	BUF	49	4	14	18	36	1	6	0	0	0	0	73	5.5	0	0		193	68	12	11	22:17
15	Dylan Gambrell D. Gambrell	-18	2020-21	SJS	49	5	7	12	13	0	0	1	0	1	0	48	10.4	279	637	43.8	77	54	9	13	16:02
16	Filip Hronek F. Hronek	-18	2020-21	DET	56	2	24	26	16	0	11	0	0	0	0	114	1.8	0	0		67	46	7	31	23:23
17	Adrian Kempe A. Kempe	-18	2020-21	LAK	56	14	15	29	28	4	10	1	0	2	1	127	11.0	27	68	39.7	47	21	15	20	16:56
18	Tim Stutzle T. Stutzle	-18	2020-21	OTT	53	12	17	29	14	4	5	0	0	2	0	111	10.8	8	27	29.6	50	15	20	44	15:44
19	Oliver Ekman-Larsson O. Ekman-Larsson	-17	2020-21	ARI	46	3	21	24	32	2	12	0	0	0	0	83	3.6	0	0		72	26	12	25	20:58
20	Phil Kessel P. Kessel	-17	2020-21	ARI	56	20	23	43	12	4	9	0	0	3	1	115	17.4	1	4	25.0	8	9	19	20	17:05
21	Jakob Silfverberg J. Silfverberg	-17	2020-21	ANA	47	8	8	16	18	2	1	1	0	0	0	91	8.8	9	22	40.9	19	26	25	16	16:57
22	Blake Wheeler B. Wheeler	-17	2020-21	WPG	50	15	31	46	50	4	11	0	0	2	0	113	13.3	3	8	37.5	63	30	25	16	18:20
23	Drake Batherson D. Batherson	-17	2020-21	OTT	56	17	17	34	8	5	10	0	0	3	0	111	15.3	5	13	38.5	102	29	15	25	16:28
24	Brady Tkachuk B. Tkachuk	-17	2020-21	OTT	56	17	19	36	69	5	5	0	0	3	1	220	7.7	118	249	47.4	248	23	33	37	18:14
25	Cam Atkinson C. Atkinson	-16	2020-21	CBJ	56	15	19	34	4	1	8	4	0	2	0	158	9.5	7	30	23.3	22	30	22	45	18:56