who has the highest average time on ice in playoff games among defensemen in nhl history

Chris Pronger has the most career time on ice per game by a defenseman in the playoffs, at 29:04 per game.

	NAME	TOI/GP	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA
1	Chris Pronger C. Pronger	29:04	131	22	76	98	+44	234	12	38	0	3	3	0	299	7.4	0	0		254	330	72	129
2	Ray Bourque R. Bourque	28:57	34	5	14	19	+13	20	3	8	0	0	1	0	77	6.5	1	1	100.0	72	59	45	36
3	Sergei Zubov S. Zubov	28:32	67	10	37	47	-2	26	6	20	1	1	0	0	146	6.8	0	0		53	63	61	151
4	Brian Leetch B. Leetch	28:29	13	0	8	8	+1	6	0	4	0	0	0	0	23	0.0	0	0		16	30	10	25
5	Al MacInnis A. MacInnis	28:21	35	3	19	22	+4	36	3	8	0	3	0	0	140	2.1	0	1	0.0	52	51	14	33
6	Seth Jones S. Jones	28:01	60	9	24	33	0	24	3	12	0	1	2	0	114	7.9	0	0		136	121	40	76
7	Nicklas Lidstrom N. Lidstrom	28:00	149	30	76	106	+34	44	19	46	2	3	7	0	358	8.4	0	0		99	193	85	107
8	Robert Svehla R. Svehla	27:54	11	0	4	4	-5	6	0	1	0	0	0	0	18	0.0	0	0		43	32	1	9
9	Drew Doughty D. Doughty	27:49	101	19	42	61	-19	90	7	21	0	1	1	0	198	9.6	0	1	0.0	203	192	21	130
10	Duncan Keith D. Keith	27:07	151	19	72	91	+20	70	2	27	0	2	5	1	323	5.9	0	0		120	264	86	181
11	Bryan McCabe B. McCabe	27:05	56	10	18	28	+6	84	6	6	0	2	1	0	129	7.8	0	0		191	113	18	85
12	Zach Werenski Z. Werenski	26:58	29	4	9	13	+2	15	3	2	0	0	2	0	73	5.5	0	0		48	55	14	33
13	Eric Desjardins E. Desjardins	26:47	40	6	16	22	-5	10	1	7	0	1	1	0	73	8.2	0	1	0.0	18	83	23	53
14	Scott Niedermayer S. Niedermayer	26:35	134	16	52	68	+18	107	6	23	3	0	6	2	256	6.3	1	2	50.0	180	187	152	168
15	Erik Karlsson E. Karlsson	26:33	67	8	45	53	+4	34	3	17	0	0	3	1	192	4.2	0	0		81	106	55	70
16	Miro Heiskanen M. Heiskanen	26:21	93	17	48	65	-2	24	7	21	0	0	1	0	203	8.4	0	0		123	158	55	130
17	Jake Sanderson J. Sanderson	26:19	6	1	2	3	-1	2	0	2	0	0	1	1	9	11.1	0	0		6	12	1	8
18	Rob Blake R. Blake	26:15	93	18	33	51	+4	72	6	16	0	0	1	0	319	5.6	0	1	0.0	270	228	75	66
19	Adam Foote A. Foote	25:58	93	4	23	27	-1	137	1	8	0	1	1	0	89	4.5	0	0		252	182	53	52
20	Alex Pietrangelo A. Pietrangelo	25:51	149	15	65	80	+26	95	1	18	0	0	2	0	388	3.9	0	0		155	367	126	118
21	Igor Kravchuk I. Kravchuk	25:49	6	1	1	2	-5	0	0	1	0	0	0	0	19	5.3	0	0		18	9	5	12
22	Roman Josi R. Josi	25:48	91	12	33	45	-27	48	4	9	0	0	1	0	292	4.1	0	0		113	209	18	88
23	Kim Johnsson K. Johnsson	25:45	43	2	10	12	-8	38	0	5	0	0	1	0	88	2.3	0	0		40	73	14	44
24	Derian Hatcher D. Hatcher	25:42	77	3	11	14	-5	143	0	2	0	1	0	0	93	3.2	0	0		290	136	39	99
25	Ivan Provorov I. Provorov	25:39	22	3	8	11	-4	4	0	2	0	0	1	1	31	9.7	0	0		44	30	2	25