Ray Bourque played the most seasons by a defenseman with 50+ points, with 20 seasons.

Interpreted as:

most 50 or more point seasons by NHL defenceman

	NAME	SEAS	P	GP	G	A	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Ray Bourque R. Bourque	20	1,488	1,484	385	1,103	+522	1,041	155	547	16	26	55	5	5,735	6.7	0	1	0.0	277	203	143	135	26:38
2	Nicklas Lidstrom N. Lidstrom	15	954	1,204	217	737	+366	410	110	391	9	21	29	3	3,093	7.0	0	0		351	724	351	506	27:20
3	Paul Coffey P. Coffey	15	1,378	1,080	363	1,015	+298	1,506	124	472	19	30	37	1	3,789	9.6
4	Al MacInnis A. MacInnis	14	1,018	1,039	266	752	+323	1,180	130	465	8	18	28	2	3,870	6.9	2	2	100.0	48	99	46	97	26:45
5	Phil Housley P. Housley	14	994	1,078	281	713	-33	660	105	389	5	3	38	4	2,860	9.8	0	1	0.0	23	50	48	90	23:29
6	Larry Murphy L. Murphy	14	935	1,117	221	714	+184	789	87	333	9	15	26	1	2,598	8.5
7	Denis Potvin D. Potvin	13	969	971	290	679	+449	1,242	115	306	10	20	43	0	2,805	10.3
8	Brian Leetch B. Leetch	12	849	942	206	643	+47	451	93	352	7	13	30	5	2,864	7.2	0	0		285	429	212	287	27:12
9	Larry Robinson L. Robinson	10	651	731	146	505	+522	426	51	172	3	3	21	0	1,436	10.2
10	Brad Park B. Park	10	650	716	157	493	+260	975	65	206	4	6	24	0	1,977	7.9
11	Sergei Gonchar S. Gonchar	9	535	675	140	395	+27	575	65	235	1	6	19	3	1,717	8.2	2	2	100.0	553	695	253	584	24:53
12	Doug Wilson D. Wilson	9	599	658	171	428	+82	559	54	210	5	5	17	2	2,228	7.7
13	Reed Larson R. Larson	9	576	707	191	385	-132	1,109	68	152	6	8	14	0	2,427	7.9
14	Roman Josi R. Josi	8	530	617	138	392	+97	303	50	138	1	7	27	6	2,004	6.9	0	2	0.0	460	1,196	251	440	25:21
15	Erik Karlsson E. Karlsson	8	590	639	138	452	-31	314	29	175	0	3	27	10	1,894	7.3	0	3	0.0	557	940	500	758	26:30
16	Sergei Zubov S. Zubov	8	494	613	89	405	+136	219	54	221	3	6	13	2	1,294	6.9	1	1	100.0	127	235	170	384	26:12
17	Jeff Brown J. Brown	8	491	601	132	359	-70	428	70	212	5	7	16	0	1,792	7.4
18	Gary Suter G. Suter	8	570	606	135	435	+109	862	60	258	4	9	16	0	1,778	7.6
19	Chris Chelios C. Chelios	8	523	623	110	413	+157	1,515	49	214	7	24	22	0	1,759	6.3
20	Scott Stevens S. Stevens	8	513	622	112	401	+140	1,434	52	155	3	6	19	1	1,397	8.0
21	Mark Howe M. Howe	8	512	591	147	365	+300	266	33	129	24	17	17	0	1,541	9.5
22	Brent Burns B. Burns	7	476	574	129	347	+6	324	42	133	2	8	22	9	2,008	6.4	2	4	50.0	582	888	438	747	24:55
23	Victor Hedman V. Hedman	7	460	527	102	358	+135	341	25	164	0	9	23	5	1,276	8.0	1	3	33.3	608	769	279	384	24:15
24	Kris Letang K. Letang	7	397	526	80	317	+73	461	19	122	2	7	14	5	1,457	5.5	1	3	33.3	970	825	347	489	25:25
25	Rob Blake R. Blake	7	400	541	126	274	+39	724	67	126	1	10	24	2	1,895	6.6	0	2	0.0	678	701	293	359	26:59