Bill Mikkelson has the lowest plus/minus in a season, at -82 in 1974-75.

Interpreted as:

worst plus minus by a player in a season all-time

	NAME	+/-	SEASON	TM	GP	G	A	P	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%
1	Bill Mikkelson B. Mikkelson	-82	1974-75	WSH	59	3	7	10	52	3	1	0	0	0		47	6.4
2	Greg Joly G. Joly	-69	1974-75	WSH	44	1	7	8	44	1	3	0	0	0		73	1.4
3	Jack Lynch J. Lynch	-69	1974-75	TOT	70	3	20	23	62	0	9	0	1	0		78	3.8
4	Tommy Williams T. Williams	-69	1974-75	WSH	73	22	36	58	12	7	13	2	0	1		135	16.3
5	Larry Johnston L. Johnston	-65	1975-76	KCS	72	2	10	12	112	1	5	0	0	0		77	2.6
6	Mike Marson M. Marson	-65	1974-75	WSH	76	16	12	28	59	5	3	0	0	2		91	17.6
7	Dave Babych D. Babych	-62	1980-81	WIN	69	6	38	44	90	3	17	0	2	0		209	2.9
8	Reggie Leach R. Leach	-62	1973-74	CGS	78	22	24	46	34	2	6	0	0	3		216	10.2
9	Doug Mohns D. Mohns	-62	1961-62	BOS	69	16	29	45	74	7	14	0	0	1		166	9.6
10	Dennis Owchar D. Owchar	-61	1977-78	TOT	82	10	31	41	48	2	4	0	2	0		171	5.8
11	Gord Smith G. Smith	-60	1974-75	WSH	63	3	8	11	56	2	1	0	0	0		58	5.2
12	Doug Sulliman D. Sulliman	-59	1982-83	HFD	77	22	19	41	14	8	4	0	0	0		162	13.6
13	Arnie Brown A. Brown	-58	1972-73	TOT	63	5	8	13	44	1	2	0	1	0		62	8.1
14	Pat Stapleton P. Stapleton	-58	1961-62	BOS	69	2	5	7	42	0	0	0	0	0		98	2.0
15	Nelson Pyatt N. Pyatt	-57	1975-76	WSH	77	26	23	49	14	5	7	0	0	0		151	17.2
16	Doug Roberts D. Roberts	-57	1970-71	CGS	78	4	13	17	94	1	1	0	0	0		128	3.1
17	Pat Boutette P. Boutette	-56	1983-84	PIT	73	14	26	40	142	10	8	0	2	1	0	107	13.1
18	Norm Dupont N. Dupont	-56	1980-81	WIN	80	27	26	53	8	8	7	0	0	1		215	12.6
19	Bruce Affleck B. Affleck	-56	1977-78	STL	75	4	14	18	26	0	3	0	0	1		93	4.3
20	Brad Maxwell B. Maxwell	-56	1977-78	MNS	75	18	29	47	100	12	13	0	0	0		207	8.7
21	Dennis Patterson D. Patterson	-56	1974-75	KCS	66	1	5	6	39	0	0	0	0	0		53	1.9
22	Randy Ladouceur R. Ladouceur	-55	1985-86	DET	78	5	13	18	196	0	1	0	0	1	0	92	5.4
23	Dave Christian D. Christian	-55	1980-81	WIN	80	28	43	71	22	9	18	1	1	0		185	15.1
24	Dwight Foster D. Foster	-54	1981-82	CLR	70	12	19	31	41	1	5	1	0	0		97	12.4
25	Yvon Labre Y. Labre	-54	1974-75	WSH	76	4	23	27	182	0	7	0	0	0		71	5.6