The Boston Bruins had the highest goal differential per game played by a team in 2019-20, with 0.86.

Interpreted as:

highest average margin of victory per game 2020

	TEAM	DIFF/GP	DIFF	GP	SEASON	W	L	OTL	PTS	PTS%	SOW	SOL	G	GA	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Bruins	0.86	60	70	2019-20	44	14	12	100	.714	0	7	227	167	25.2	84.3	32.10	10.1	30.04	.921
2	Lightning	0.7	49	70	2019-20	43	21	6	92	.657	2	1	243	194	23.1	81.4	31.09	11.2	30.93	.910
3	Avalanche	0.66	46	70	2019-20	42	20	8	92	.657	1	1	236	190	19.1	81.4	32.24	10.5	31.33	.913
4	Flyers	0.52	36	69	2019-20	41	21	7	89	.645	5	5	227	191	20.8	81.8	31.39	10.5	28.65	.903
5	Blues	0.46	33	71	2019-20	42	19	10	94	.662	2	3	223	190	24.3	79.3	30.69	10.2	29.58	.910
6	Penguins	0.36	25	69	2019-20	40	23	6	86	.623	3	0	221	196	19.9	82.1	31.94	10.0	29.72	.904
7	Hurricanes	0.35	24	68	2019-20	38	25	5	81	.596	5	0	217	193	22.3	84.0	33.25	9.6	29.32	.903
8	Capitals	0.35	24	69	2019-20	41	20	8	90	.652	4	3	236	212	19.4	82.6	31.97	10.7	30.20	.898
9	Maple Leafs	0.21	15	70	2019-20	36	25	9	81	.579	1	5	237	222	23.1	77.7	32.89	10.3	31.90	.901
10	Golden Knights	0.21	15	71	2019-20	39	24	8	86	.606	3	2	224	209	22.0	76.6	34.51	9.1	29.32	.900
11	Rangers	0.19	13	70	2019-20	37	28	5	79	.564	1	2	233	220	22.9	77.4	31.07	10.7	34.01	.908
12	Jets	0.17	12	71	2019-20	37	28	6	80	.563	3	2	213	201	20.5	77.6	31.30	9.6	32.61	.913
13	Canucks	0.14	10	69	2019-20	36	27	6	78	.565	4	3	224	214	24.2	80.5	31.20	10.4	33.29	.907
14	Oilers	0.11	8	71	2019-20	37	25	9	83	.585	2	2	223	215	29.5	84.4	29.58	10.6	32.03	.905
15	Coyotes	0.1	7	70	2019-20	33	29	8	74	.529	5	4	190	183	19.2	82.7	31.71	8.6	32.43	.919
16	Stars	0.06	4	69	2019-20	37	24	8	82	.594	2	3	178	174	21.1	79.7	30.62	8.4	31.55	.920
17	Panthers	0.06	4	69	2019-20	35	26	8	78	.565	3	4	228	224	21.3	78.5	32.65	10.1	32.28	.899
18	Wild	0.01	1	69	2019-20	35	27	7	77	.558	2	3	218	217	21.3	77.2	30.10	10.5	30.65	.897
19	Islanders	-0.01	-1	68	2019-20	35	23	10	80	.588	3	3	189	190	17.3	80.7	29.65	9.4	31.22	.911
20	Predators	-0.03	-2	69	2019-20	35	26	8	78	.565	3	3	212	214	17.3	76.1	33.14	9.3	31.26	.901
21	Blue Jackets	-0.04	-3	70	2019-20	33	22	15	81	.579	0	4	180	183	16.4	81.7	32.46	7.9	29.89	.913
22	Blackhawks	-0.09	-6	70	2019-20	32	30	8	72	.514	4	4	208	214	15.2	82.1	31.81	9.3	35.11	.913
23	Flames	-0.14	-10	70	2019-20	36	27	7	79	.564	6	1	204	214	21.2	82.1	31.60	9.2	32.44	.906
24	Canadiens	-0.17	-12	71	2019-20	31	31	9	71	.500	4	1	208	220	17.7	78.7	34.11	8.6	31.10	.900
25	Sabres	-0.32	-22	69	2019-20	30	31	8	68	.493	2	2	193	215	18.9	74.6	29.29	9.5	31.13	.900