The Ottawa Senators had the most blocked shots per game by a team in 2018-19, with 16.84 per game.

nhl team most blocked shots per game 2018-19

TEAM	BKS/GP	SEASON	GP	W	L	OTL	PTS	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
Ottawa Senators	16.84	2018-19	82	29	47	6	64	.390	242	301	20.4	79.2	29.62	35.74
Colorado Avalanche	16.15	2018-19	82	38	30	14	90	.549	258	244	22.0	78.7	32.63	31.94
Arizona Coyotes	15.83	2018-19	82	39	35	8	86	.524	209	220	16.3	85.0	30.74	30.82
New York Islanders	15.79	2018-19	82	48	27	7	103	.628	223	191	14.5	79.9	28.78	30.90
Dallas Stars	15.74	2018-19	82	43	32	7	93	.567	209	200	21.0	82.8	30.72	31.60
Philadelphia Flyers	15.57	2018-19	82	37	37	8	82	.500	241	280	17.1	78.5	31.50	32.50
Washington Capitals	15.05	2018-19	82	48	26	8	104	.634	274	248	20.8	78.9	30.39	31.51
Vancouver Canucks	15.04	2018-19	82	35	36	11	81	.494	219	248	17.1	81.1	29.67	31.67
Pittsburgh Penguins	14.99	2018-19	82	44	26	12	100	.610	271	238	24.6	79.7	33.30	33.28
Minnesota Wild	14.89	2018-19	82	37	36	9	83	.506	210	233	20.3	81.7	31.30	29.50
New York Rangers	14.79	2018-19	82	32	36	14	78	.476	221	267	19.4	78.2	29.18	33.83
Anaheim Ducks	14.59	2018-19	82	35	37	10	80	.488	196	248	17.0	79.7	27.70	33.23
Winnipeg Jets	14.48	2018-19	82	47	30	5	99	.604	270	243	24.8	79.2	31.18	33.43
Edmonton Oilers	14.32	2018-19	82	35	38	9	79	.482	229	271	21.2	74.8	29.17	31.70
Montreal Canadiens	14.27	2018-19	82	44	30	8	96	.585	246	236	13.2	80.9	34.10	31.07
Los Angeles Kings	14.27	2018-19	82	31	42	9	71	.433	199	259	15.8	76.5	28.76	31.44
New Jersey Devils	14.12	2018-19	82	31	41	10	72	.439	219	271	17.7	84.3	30.34	31.61
St. Louis Blues	13.88	2018-19	82	45	28	9	99	.604	244	220	21.1	81.5	31.76	28.60
Florida Panthers	13.88	2018-19	82	36	32	14	86	.524	264	273	26.8	81.3	32.99	30.68
Tampa Bay Lightning	13.72	2018-19	82	62	16	4	128	.780	319	221	28.2	85.0	31.95	32.11
Vegas Golden Knights	13.63	2018-19	82	43	32	7	93	.567	246	228	16.8	80.9	34.32	29.26
Chicago Blackhawks	13.60	2018-19	82	36	34	12	84	.512	267	291	20.2	72.7	32.55	34.78
Toronto Maple Leafs	13.57	2018-19	82	46	28	8	100	.610	286	249	21.8	79.9	33.37	33.13
Detroit Red Wings	13.45	2018-19	82	32	40	10	74	.451	224	272	18.1	77.1	29.20	33.67
Nashville Predators	13.16	2018-19	82	47	29	6	100	.610	236	212	12.9	82.1	32.66	29.99