who has the most points in 1 season for a defenceman

Bobby Orr has collected the most points by a defenseman in a season, with 139 points in 1970-71.

	NAME	P	SEASON	TM	GP	G	A	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Bobby Orr B. Orr	139	1970-71	BOS	78	37	102	+124	91	5	44	3	10	5		392	9.4
2	Paul Coffey P. Coffey	138	1985-86	EDM	79	48	90	+61	120	9	25	9	5	2	0	308	15.6
3	Bobby Orr B. Orr	135	1974-75	BOS	80	46	89	+80	101	16	36	2	2	4		384	12.0
4	Paul Coffey P. Coffey	126	1983-84	EDM	80	40	86	+52	104	14	27	1	8	4	1	259	15.4
5	Bobby Orr B. Orr	122	1973-74	BOS	74	32	90	+84	82	11	24	0	4	4		384	8.3
6	Paul Coffey P. Coffey	121	1984-85	EDM	80	37	84	+57	97	12	27	2	4	6	0	285	13.0
7	Bobby Orr B. Orr	120	1969-70	BOS	76	33	87	+54	125	11	40	4	1	3		413	8.0
8	Bobby Orr B. Orr	117	1971-72	BOS	76	37	80	+83	106	11	24	4	5	4		353	10.5
9	Paul Coffey P. Coffey	113	1988-89	PIT	75	30	83	-10	195	11	53	0	0	2	0	342	8.8
10	Al MacInnis A. MacInnis	103	1990-91	CGY	78	28	75	+42	90	17	46	0	3	1	0	305	9.2
11	Paul Coffey P. Coffey	103	1989-90	PIT	80	29	74	-25	95	10	38	0	1	3	0	324	9.0
12	Brian Leetch B. Leetch	102	1991-92	NYR	80	22	80	+25	26	10	36	1	0	3	1	245	9.0
13	Erik Karlsson E. Karlsson	101	2022-23	SJS	82	25	76	-26	36	5	22	0	0	4	2	209	12.0	0	1	0.0	33	90	81	101	25:37
14	Denis Potvin D. Potvin	101	1978-79	NYI	73	31	70	+71	58	12	30	3	1	2		237	13.1
15	Bobby Orr B. Orr	101	1972-73	BOS	63	29	72	+55	99	7	28	1	4	3		282	10.3
16	Denis Potvin D. Potvin	98	1975-76	NYI	78	31	67	+12	100	18	36	0	2	4		256	12.1
17	Phil Housley P. Housley	97	1992-93	WIN	80	18	79	-14	52	6	50	0	0	2	0	249	7.2
18	Roman Josi R. Josi	96	2021-22	NSH	80	23	73	+13	46	11	26	0	0	2	0	281	8.2	0	0		66	133	48	71	25:33
19	Ray Bourque R. Bourque	96	1983-84	BOS	78	31	65	+51	57	12	27	1	1	5	0	343	9.0
20	Paul Coffey P. Coffey	96	1982-83	EDM	80	29	67	+52	87	9	27	1	2	2		260	11.2
21	Ray Bourque R. Bourque	95	1986-87	BOS	78	23	72	+44	36	6	27	1	2	3	0	334	6.9
22	Ray Bourque R. Bourque	94	1990-91	BOS	76	21	73	+33	75	7	38	0	0	3	0	323	6.5
23	Denis Potvin D. Potvin	94	1977-78	NYI	80	30	64	+57	81	9	33	0	2	6		287	10.5
24	Paul Coffey P. Coffey	93	1990-91	PIT	76	24	69	-18	128	8	34	0	0	3	0	240	10.0
25	Quinn Hughes Q. Hughes	92	2023-24	VAN	82	17	75	+38	38	5	33	0	0	2	1	199	8.5	0	0		29	55	43	52	24:41