Mason Lohrei had the lowest plus/minus by a defenseman in 2024-25, at -43.

Interpreted as:

worst plus minus by a player in NHL defensemen 2025

	NAME	+/-	SEASON	TM	GP	G	A	P	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	HIT	BKS	TKA	GVA	TOI/GP
1	Mason Lohrei M. Lohrei	-43	2024-25	BOS	77	5	28	33	16	1	15	0	0	0	0	92	5.4	0	0	25	103	36	104	19:32
2	Rasmus Andersson R. Andersson	-38	2024-25	CGY	81	11	20	31	60	3	6	0	0	1	0	163	6.7	0	0	36	196	30	107	23:59
3	Jamie Drysdale J. Drysdale	-32	2024-25	PHI	70	7	13	20	22	2	5	0	0	1	0	63	11.1	0	0	18	102	20	73	19:55
4	Roman Josi R. Josi	-26	2024-25	NSH	53	9	29	38	18	2	15	0	0	1	0	150	6.0	0	0	42	95	23	75	25:02
5	Mario Ferraro M. Ferraro	-25	2024-25	SJS	78	5	12	17	53	0	0	0	1	1	0	79	6.3	0	0	150	125	37	77	21:24
6	Timothy Liljegren T. Liljegren	-25	2024-25	TOT	68	6	11	17	38	2	2	0	0	0	0	102	5.9	0	0	64	111	15	64	19:12
7	Seth Jones S. Jones	-24	2024-25	TOT	63	9	27	36	22	5	14	0	0	2	0	129	7.0	0	0	96	109	26	82	24:38
8	Erik Karlsson E. Karlsson	-24	2024-25	PIT	82	11	42	53	20	2	13	0	0	1	1	191	5.8	0	0	29	94	44	140	23:14
9	Brady Skjei B. Skjei	-24	2024-25	NSH	82	10	23	33	42	2	8	0	0	1	0	156	6.4	0	0	52	93	32	101	21:53
10	Henry Thrun H. Thrun	-23	2024-25	SJS	60	2	10	12	30	0	0	0	0	0	0	52	3.8	0	0	43	66	12	37	17:31
11	Alex Vlasic A. Vlasic	-23	2024-25	CHI	82	4	26	30	12	1	11	0	1	0	0	103	3.9	0	0	59	157	53	97	23:16
12	Brandon Montour B. Montour	-22	2024-25	SEA	81	18	23	41	70	5	6	0	0	4	1	231	7.8	0	0	84	100	25	97	22:59
13	Pierre-Olivier Joseph P. Joseph	-22	2024-25	TOT	47	0	3	3	45	0	0	0	0	0	0	42	0.0	0	0	36	36	20	53	15:16
14	Erik Gustafsson E. Gustafsson	-19	2024-25	DET	60	2	16	18	20	1	8	0	0	0	0	67	3.0	0	0	28	44	10	75	16:19
15	TJ Brodie	-18	2024-25	CHI	54	2	8	10	18	0	0	0	0	0	0	23	8.7	0	0	16	58	14	46	15:38
16	Justin Barron J. Barron	-18	2024-25	TOT	62	6	7	13	23	0	1	0	0	0	0	73	8.2	0	0	80	83	14	54	17:26
17	Travis Hamonic T. Hamonic	-16	2024-25	OTT	59	1	6	7	19	0	0	0	0	0	0	72	1.4	0	0	73	92	17	62	17:04
18	Noah Dobson N. Dobson	-16	2024-25	NYI	71	10	29	39	28	1	11	0	1	1	0	196	5.1	0	0	57	126	36	108	23:16
19	Kris Letang K. Letang	-15	2024-25	PIT	74	9	21	30	52	4	8	1	0	0	0	164	5.5	0	0	120	100	37	100	23:32
20	Alec Martinez A. Martinez	-15	2024-25	CHI	44	5	7	12	8	0	2	0	0	0	0	38	13.2	0	0	24	81	9	41	18:44
21	Ryan Graves R. Graves	-15	2024-25	PIT	61	1	3	4	29	0	0	0	0	0	0	39	2.6	0	0	75	73	18	63	14:59
22	Ben Chiarot B. Chiarot	-14	2024-25	DET	81	4	9	13	69	0	1	0	0	0	0	109	3.7	0	0	127	142	26	86	21:14
23	Egor Zamula E. Zamula	-14	2024-25	PHI	63	3	12	15	6	0	0	0	0	1	0	37	8.1	0	0	24	91	15	52	16:31
24	Jake Sanderson J. Sanderson	-14	2024-25	OTT	80	11	46	57	12	5	25	0	4	4	1	195	5.6	0	0	38	163	53	98	24:27
25	Jack Johnson J. Johnson	-13	2024-25	CBJ	41	0	6	6	2	0	0	0	0	0	0	23	0.0	0	0	21	35	8	19	12:52