Bobby Orr had the highest plus/minus in 1970-71, at +124.

	NAME	+/-	SEASON	TM	GP	G	A	P	PIM	PPG	PPA	SHG	SHA	GWG	S	S%
1	Bobby Orr B. Orr	+124	1970-71	BOS	78	37	102	139	91	5	44	3	10	5	392	9.4
2	Dallas Smith D. Smith	+98	1970-71	BOS	73	7	38	45	68	0	1	2	4	1	159	4.4
3	Phil Esposito P. Esposito	+69	1970-71	BOS	78	76	76	152	71	24	27	1	1	16	550	13.8
4	Ken Hodge K. Hodge	+69	1970-71	BOS	78	43	62	105	113	5	7	0	0	7	232	18.5
5	Wayne Cashman W. Cashman	+59	1970-71	BOS	77	21	58	79	100	4	6	0	0	3	175	12.0
6	Ed Westfall E. Westfall	+57	1970-71	BOS	78	25	34	59	48	0	0	7	9	5	149	16.8
7	Bill White B. White	+51	1970-71	CHI	67	4	21	25	64	0	1	0	1	1	127	3.1
8	Pat Stapleton P. Stapleton	+48	1970-71	CHI	76	7	44	51	30	4	15	0	1	0	131	5.3
9	Don Awrey D. Awrey	+41	1970-71	BOS	74	4	21	25	143	0	1	0	0	1	108	3.7
10	Derek Sanderson D. Sanderson	+39	1970-71	BOS	71	29	34	63	130	1	0	6	6	0	217	13.4
11	Ted Green T. Green	+38	1970-71	BOS	78	5	37	42	60	0	0	0	3	0	103	4.9
12	Johnny Bucyk J. Bucyk	+37	1970-71	BOS	78	51	65	116	8	22	26	0	0	5	225	22.7
13	Wayne Carleton W. Carleton	+37	1970-71	BOS	69	22	24	46	44	0	1	0	0	5	164	13.4
14	Bobby Hull B. Hull	+35	1970-71	CHI	78	44	52	96	32	11	21	0	2	11	378	11.6
15	Terry Harper T. Harper	+34	1970-71	MTL	78	1	21	22	116	0	0	0	1	0	61	1.6
16	Keith Magnuson K. Magnuson	+32	1970-71	CHI	76	3	20	23	289	0	0	0	0	1	66	4.5
17	Jim Neilson J. Neilson	+31	1970-71	NYR	77	8	24	32	69	2	8	0	0	3	200	4.0
18	Rod Seiling R. Seiling	+31	1970-71	NYR	68	5	22	27	34	0	5	0	0	3	136	3.7
19	Fred Stanfield F. Stanfield	+31	1970-71	BOS	75	24	52	76	12	9	23	0	0	3	267	9.0
20	Rick Smith R. Smith	+30	1970-71	BOS	67	4	19	23	44	0	0	0	2	1	78	5.1
21	Chico Maki C. Maki	+29	1970-71	CHI	72	22	26	48	18	2	7	2	0	3	110	20.0
22	Tim Horton T. Horton	+27	1970-71	NYR	78	2	18	20	57	1	7	0	1	1	124	1.6
23	Dennis Hull D. Hull	+27	1970-71	CHI	78	40	26	66	16	10	10	0	0	7	229	17.5
24	Cliff Koroll C. Koroll	+27	1970-71	CHI	72	16	34	50	85	4	9	0	0	3	124	12.9
25	Guy Lapointe G. Lapointe	+27	1970-71	MTL	78	15	29	44	107	5	9	0	0	1	228	6.6