most plus/minus in a season by a active defenseman

Gustav Forsling has the highest plus/minus by an active defenseman in a season, at +56 in 2023-24.

	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	Gustav Forsling G. Forsling	+56	2023-24	FLA	79	10	29	39	43	1	1	0	0	1	1	160	6.3	0	0		111	102	41	48	22:09
2	Devon Toews D. Toews	+52	2021-22	COL	66	13	44	57	20	2	10	0	0	3	1	158	8.2	0	0		54	85	45	34	25:22
3	Hampus Lindholm H. Lindholm	+49	2022-23	BOS	80	10	43	53	56	1	16	0	0	2	1	158	6.3	0	0		78	100	31	65	23:11
4	Cale Makar C. Makar	+48	2021-22	COL	77	28	58	86	26	9	25	0	0	6	3	240	11.7	0	0		95	110	49	40	25:40
5	Dylan DeMelo D. DeMelo	+46	2023-24	WPG	82	3	28	31	36	0	1	0	0	0	0	83	3.6	0	0		168	139	14	60	21:44
6	Matt Grzelcyk M. Grzelcyk	+46	2022-23	BOS	75	4	22	26	28	0	0	0	0	2	0	102	3.9	0	0		51	78	13	33	17:14
7	Mattias Ekholm M. Ekholm	+44	2023-24	EDM	79	11	34	45	47	2	1	1	0	3	0	177	6.2	0	0		136	93	40	58	21:03
8	Brandon Carlo B. Carlo	+44	2022-23	BOS	75	3	13	16	38	0	0	0	2	0	0	94	3.2	0	0		128	116	28	21	18:50
9	Ryan McDonagh R. McDonagh	+43	2024-25	TBL	82	4	27	31	22	0	1	1	2	2	0	78	5.1	0	0		23	152	24	115	20:22
10	Brayden McNabb B. McNabb	+42	2024-25	VGK	82	5	15	20	32	0	0	1	1	0	0	97	5.2	0	0		131	167	21	79	20:07
11	Justin Faulk J. Faulk	+41	2021-22	STL	76	16	31	47	43	1	6	0	0	6	1	167	9.6	0	0		149	101	37	40	23:12
12	Gustav Forsling G. Forsling	+41	2021-22	FLA	71	10	27	37	18	0	0	0	0	1	1	145	6.9	0	0		45	86	51	53	21:13
13	MacKenzie Weegar M. Weegar	+40	2021-22	FLA	80	8	36	44	81	1	2	1	1	2	0	203	3.9	0	0		179	156	74	85	23:22
14	Ryan Graves R. Graves	+40	2019-20	COL	69	9	17	26	45	0	0	0	2	0	0	134	6.7	0	0		112	150	19	40	18:57
15	Devon Toews D. Toews	+39	2022-23	COL	80	7	43	50	26	1	6	0	0	0	0	165	4.2	0	0		93	138	45	39	25:06
16	Quinn Hughes Q. Hughes	+38	2023-24	VAN	82	17	75	92	38	5	33	0	0	2	1	199	8.5	0	0		29	55	43	52	24:41
17	Aaron Ekblad A. Ekblad	+38	2021-22	FLA	61	15	42	57	26	3	17	0	3	2	2	180	8.3	0	0		62	69	43	73	24:55
18	Ryan McDonagh R. McDonagh	+38	2018-19	TBL	82	9	37	46	34	0	3	0	3	1	0	128	7.0	0	0		98	161	46	66	22:05
19	Jaccob Slavin J. Slavin	+35	2021-22	CAR	79	4	38	42	10	1	6	0	2	0	0	165	2.4	0	0		50	121	74	43	23:32
20	Chris Tanev C. Tanev	+35	2021-22	CGY	82	6	22	28	22	0	0	0	0	3	0	88	6.8	0	0		52	158	29	57	20:28
21	Brett Pesce B. Pesce	+35	2018-19	CAR	73	7	22	29	24	0	0	0	2	2	0	98	7.1	1	1	100.0	53	131	54	30	20:29
22	Esa Lindell E. Lindell	+34	2024-25	DAL	80	5	21	26	14	1	0	0	0	0	0	99	5.1	0	0		50	170	30	109	22:11
23	Dylan Samberg D. Samberg	+34	2024-25	WPG	60	6	14	20	26	0	1	0	0	2	1	95	6.3	0	0		56	120	33	64	21:08
24	Evan Bouchard E. Bouchard	+34	2023-24	EDM	81	18	64	82	32	8	27	0	0	7	2	220	8.2	0	0		71	105	59	82	23:00
25	Ryan Graves R. Graves	+34	2022-23	NJD	78	8	18	26	28	0	0	0	2	2	0	141	5.7	0	0		83	152	23	47	19:57