Between the 1974-75 and 1980-81 seasons, Yvon Labre had the most games by a Capitals defenseman, with 334 games.

most regular-season games played as a capital at defenceman (1974-75 to 1980-81)

	NAME	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	S	S%
1	Yvon Labre Y. Labre	334	12	84	96	-89	756	0	14	2	0	0	355	3.4
2	Rick Green R. Green	312	28	102	130	-125	288	9	41	1	0	3	523	5.4
3	Gord Smith G. Smith	286	9	30	39	-136	276	4	3	0	2	1	208	4.3
4	Gord Lane G. Lane	235	10	43	53	-64	614	1	0	0	2	0	214	4.7
5	Jack Lynch J. Lynch	233	18	57	75	-133	202	6	21	0	1	1	386	4.7
6	Robert Picard R. Picard	230	42	114	156	-41	308	15	51	0	1	7	625	6.7
7	Bryan Watson B. Watson	155	4	26	30	-25	294	0	0	1	0	0	125	3.2
8	Peter Scamurra P. Scamurra	132	8	25	33	-57	59	2	1	1	0	0	110	7.3
9	Leif Svensson L. Svensson	121	6	40	46	-12	49	0	11	0	1	0	113	5.3
10	Al Hangsleben A. Hangsleben	113	15	26	41	-4	243	2	5	0	0	1	177	8.5
11	Pierre Bouchard P. Bouchard	105	8	16	24	-26	44	0	0	0	0	0	95	8.4
12	Greg Joly G. Joly	98	9	24	33	-116	72	4	10	1	0	1	154	5.8
13	Pat Ribble P. Ribble	86	4	20	24	-12	133	3	4	0	0	1	133	3.0
14	Paul MacKinnon P. MacKinnon	77	1	11	12	+4	44	0	0	0	0	0	75	1.3
15	Doug Mohns D. Mohns	75	2	19	21	-54	54	1	7	0	1	0	82	2.4
16	Bob Paradise B. Paradise	70	0	13	13	-44	62	0	0	0	0	0	41	0.0
17	Howard Walker H. Walker	64	2	11	13	+8	100	2	1	0	0	0	68	2.9
18	Jean Lemieux J. Lemieux	64	13	25	38	-43	4	10	15	0	0	1	108	12.0
19	Willie Brossart W. Brossart	61	1	8	9	-62	54	0	0	0	0	0	48	2.1
20	Bill Mikkelson B. Mikkelson	60	3	7	10	-82	54	3	1	0	0	0	47	6.4
21	Darren Veitch D. Veitch	59	4	21	25	-12	46	1	15	0	0	1	89	4.5
22	Larry Bolonchuk L. Bolonchuk	59	3	9	12	-32	91	0	0	0	0	0	48	6.3
23	James McTaggart J. McTaggart	52	1	6	7	-4	185	0	0	0	0	0	40	2.5
24	Rick Smith R. Smith	40	5	4	9	+7	36	2	2	0	0	2	35	14.3
25	Murray Anderson M. Anderson	40	0	1	1	-40	68	0	0	0	0	0	23	0.0