Andrew MacDonald has the most career blocked shots per game, with 2.29 per game.

Interpreted as:

NHL shot blocks per game with a minimum of 500 games played leaders

	NAME	BKS/GP	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Andrew MacDonald A. MacDonald	2.29	586	28	133	161	-11	276	6	29	0	5	6	0	594	4.7	0	1	0.0	371	1,342	231	377	21:23
2	Jason Smith J. Smith	2.24	670	32	90	122	+43	765	1	2	3	4	6	3	749	4.3	3	7	42.9	1,521	1,503	191	566	20:25
3	Brett Clark B. Clark	2.24	587	42	139	181	-54	257	17	45	0	2	5	1	763	5.5	2	3	66.7	654	1,316	246	289	20:08
4	Kris Russell K. Russell	2.24	912	48	206	254	+2	271	11	53	0	4	8	3	1,100	4.4	0	1	0.0	877	2,044	312	520	19:07
5	Zbynek Michalek Z. Michalek	2.22	784	42	136	178	-11	322	11	24	0	6	8	2	1,027	4.1	1	1	100.0	667	1,741	250	367	21:25
6	Alec Martinez A. Martinez	2.19	862	88	201	289	+73	250	19	65	2	2	16	4	1,205	7.3	0	3	0.0	1,041	1,884	144	549	19:33
7	Jacob Trouba J. Trouba	2.18	834	76	252	328	+56	670	13	44	4	11	10	2	1,739	4.4	0	3	0.0	1,728	1,814	362	768	22:13
8	Jay McKee J. McKee	2.16	630	19	75	94	+32	468	1	1	1	8	6	0	465	4.1	0	6	0.0	911	1,361	96	296	18:31
9	Josh Gorges J. Gorges	2.13	783	17	107	124	-6	404	3	10	0	3	3	2	515	3.3	0	3	0.0	1,114	1,671	171	357	19:50
10	Anton Volchenkov A. Volchenkov	2.13	696	19	114	133	+73	438	0	4	0	13	3	0	719	2.6	0	0		1,495	1,482	179	275	18:13
11	Chris Tanev C. Tanev	2.12	874	36	173	209	+154	218	2	6	1	5	10	4	710	5.1	0	0		404	1,849	270	522	19:56
12	Dan Girardi D. Girardi	2.11	927	56	208	264	+78	314	14	34	2	12	13	1	1,235	4.5	0	2	0.0	2,082	1,954	337	543	21:33
13	Ryan McDonagh R. McDonagh	1.99	1,020	83	342	425	+287	369	9	61	5	15	15	3	1,526	5.4	2	5	40.0	1,084	2,027	518	792	22:34
14	Connor Murphy C. Murphy	1.97	755	43	117	160	-65	495	2	2	3	3	6	1	974	4.4	0	1	0.0	1,579	1,487	187	444	19:29
15	Travis Hamonic T. Hamonic	1.96	903	53	190	243	-26	779	6	20	2	7	4	0	1,555	3.4	0	3	0.0	1,382	1,773	394	701	20:48
16	Niklas Hjalmarsson N. Hjalmarsson	1.96	821	25	147	172	+106	332	0	3	1	13	3	0	723	3.5	0	0		425	1,606	312	621	20:11
17	Calvin de Haan C. de Haan	1.94	679	24	125	149	-6	249	2	6	1	0	4	0	894	2.7	0	2	0.0	1,343	1,317	240	466	18:27
18	Alex Pietrangelo A. Pietrangelo	1.93	1,087	148	489	637	+123	355	38	154	1	17	33	6	2,588	5.7	1	3	33.3	761	2,095	685	654	24:22
19	John Carlson J. Carlson	1.92	1,098	158	575	733	+103	366	47	220	2	7	32	2	2,544	6.2	1	5	20.0	930	2,111	633	1,092	23:37
20	Colton Parayko C. Parayko	1.92	733	77	223	300	+64	200	17	27	2	6	20	4	1,526	5.0	0	0		954	1,405	421	460	22:30
21	Karlis Skrastins K. Skrastins	1.91	830	32	103	135	-45	375	1	5	4	5	8	1	695	4.6	0	1	0.0	786	1,588	401	345	20:15
22	Andy Greene A. Greene	1.89	1,057	52	212	264	-23	277	15	43	2	11	11	3	1,126	4.6	0	0		813	1,999	368	514	21:02
23	Ivan Provorov I. Provorov	1.89	705	78	207	285	-23	249	11	46	1	7	11	4	1,296	6.0	0	1	0.0	794	1,331	193	724	23:47
24	Roman Josi R. Josi	1.89	970	191	538	729	+55	405	65	198	1	9	35	9	2,859	6.7	0	2	0.0	683	1,829	362	668	24:52
25	Mark Giordano M. Giordano	1.89	1,148	158	419	577	+129	918	52	141	13	12	26	8	2,346	6.7	0	0		1,245	2,164	540	731	22:03