which team allowed the least amount of goals against per game in 2021

The Vegas Golden Knights allowed the fewest goals per game by a team in 2020-21, with 2.18 per game.

	TEAM	GA/GP	SEASON	GP	W	L	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Golden Knights	2.18	2020-21	56	40	14	2	82	.732	1	2	190	122	68	19.9	85.3	32.66	10.4	27.27	.920
2	Islanders	2.23	2020-21	56	32	17	7	71	.634	4	3	152	125	27	19.0	83.2	28.98	9.4	28.39	.921
3	Avalanche	2.36	2020-21	56	39	13	4	82	.732	0	1	197	132	65	23.0	82.9	34.59	10.2	25.41	.907
4	Bruins	2.39	2020-21	56	33	16	7	73	.652	4	2	164	134	30	23.6	84.8	33.32	8.8	27.07	.912
5	Hurricanes	2.39	2020-21	56	36	12	8	80	.714	4	2	175	134	41	29.0	83.4	32.04	9.8	28.25	.915
6	Lightning	2.59	2020-21	56	36	17	3	75	.670	1	2	180	145	35	26.8	81.3	30.21	10.6	28.27	.908
7	Maple Leafs	2.64	2020-21	56	35	14	7	77	.688	1	0	186	148	38	21.5	77.4	31.27	10.6	27.82	.905
8	Stars	2.64	2020-21	56	23	19	14	60	.536	2	6	156	148	8	25.3	78.2	30.34	9.2	27.11	.903
9	Panthers	2.70	2020-21	56	37	14	5	79	.705	1	2	188	151	37	21.5	78.2	34.91	9.6	30.04	.910
10	Jets	2.71	2020-21	56	30	23	3	63	.563	0	2	170	152	18	25.5	78.4	29.66	10.2	30.59	.911
11	Oilers	2.75	2020-21	56	35	19	2	72	.643	0	0	183	154	29	28.1	81.6	29.89	10.9	30.66	.910
12	Predators	2.75	2020-21	56	31	23	2	64	.571	5	0	151	154	-3	19.6	73.1	29.98	9.0	31.30	.912
13	Rangers	2.77	2020-21	56	27	23	6	60	.536	1	2	176	155	21	23.0	80.6	28.70	11.0	29.71	.907
14	Penguins	2.77	2020-21	56	37	16	3	77	.688	3	1	193	155	38	26.7	74.3	30.07	11.5	29.98	.908
15	Wild	2.84	2020-21	56	35	16	5	75	.670	1	1	180	159	21	18.4	79.9	28.30	11.4	30.45	.907
16	Flames	2.86	2020-21	56	26	27	3	55	.491	1	1	155	160	-5	19.8	78.3	30.16	9.2	28.16	.899
17	Capitals	2.88	2020-21	56	36	15	5	77	.688	3	2	188	161	27	25.2	83.8	29.41	11.4	28.79	.900
18	Canadiens	2.95	2020-21	56	24	21	11	59	.527	1	3	158	165	-7	19.2	78.5	31.18	9.0	28.20	.896
19	Blues	2.98	2020-21	56	27	20	9	63	.563	2	3	167	167	0	25.2	75.0	28.96	10.3	29.82	.900
20	Red Wings	3.00	2020-21	56	19	27	10	48	.429	2	3	125	168	-43	11.9	77.4	27.29	8.2	31.89	.906
21	Kings	3.02	2020-21	56	21	28	7	49	.438	1	1	142	169	-27	20.6	83.0	28.34	8.9	31.18	.903
22	Coyotes	3.11	2020-21	56	24	26	6	54	.482	3	2	150	174	-24	21.9	79.7	27.46	9.8	30.46	.898
23	Ducks	3.16	2020-21	56	17	30	9	43	.384	2	2	124	177	-53	9.2	79.5	26.79	8.3	30.57	.897
24	Blackhawks	3.29	2020-21	56	24	25	7	55	.491	2	2	159	184	-25	23.3	75.4	29.20	9.7	33.71	.903
25	Blue Jackets	3.29	2020-21	56	18	26	12	48	.429	3	3	134	184	-50	16.7	76.5	29.02	8.2	32.41	.899