6 teams are tied for the highest winning percentage as underdogs in a season, winning 100.0 percent of the time. The first three are the St. Louis Blues, the Detroit Red Wings and the Dallas Stars this season.

	TEAM	W%	SEASON	GP	W	L	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Blues	1.000	2025-26	1	1	0	0	2	1.000	0	0	5	2	3	33.3	100.0	35.00	14.3	29.00	.931
2	Red Wings	1.000	2025-26	2	2	0	0	4	1.000	0	0	9	5	4	25.0	100.0	25.00	18.0	31.50	.921
3	Stars	1.000	2025-26	1	1	0	0	2	1.000	1	0	4	4	0	0.0	80.0	22.00	18.2	39.00	.897
4	Kraken	1.000	2025-26	1	1	0	0	2	1.000	0	0	2	1	1	33.3	66.7	22.00	9.1	27.00	.963
5	Wild	1.000	2025-26	2	2	0	0	4	1.000	1	0	8	3	5	44.4	80.0	23.50	17.0	30.00	.950
6	Maple Leafs	1.000	2020-21	3	3	0	0	6	1.000	1	0	8	1	7	25.0	100.0	30.00	8.9	31.00	.989
7	Lightning	.750	2019-20	8	6	1	1	13	.813	1	0	26	18	8	20.0	65.5	33.63	9.7	33.38	.933
8	Capitals	.750	2019-20	16	12	4	0	24	.750	1	0	59	48	11	27.6	81.7	32.06	11.5	29.31	.898
9	Bruins	.714	2020-21	7	5	1	1	11	.786	2	0	18	16	2	31.8	83.9	33.57	7.7	30.00	.924
10	Rangers	.692	2016-17	26	18	7	1	37	.712	2	0	78	64	14	14.7	83.5	28.92	10.4	32.15	.923
11	Maple Leafs	.688	2022-23	16	11	3	2	24	.750	0	0	50	38	12	15.9	84.6	29.13	10.7	33.25	.929
12	Penguins	.667	2025-26	3	2	1	0	4	.667	0	0	8	9	-1	20.0	77.8	26.00	10.3	30.67	.902
13	Blues	.667	2015-16	27	18	6	3	39	.722	2	2	70	60	10	18.2	84.3	29.37	8.8	31.93	.930
14	Rangers	.647	2023-24	17	11	4	2	24	.706	1	2	58	40	18	18.4	85.4	29.00	11.8	32.29	.927
15	Devils	.625	2022-23	24	15	6	3	33	.688	0	2	81	65	16	13.4	83.5	32.46	10.4	29.88	.909
16	Lightning	.625	2018-19	8	5	3	0	10	.625	1	0	31	26	5	29.2	80.0	29.25	13.2	34.63	.906
17	Sharks	.625	2018-19	16	10	5	1	21	.656	0	1	66	57	9	35.8	80.0	33.06	12.5	30.50	.883
18	Oilers	.619	2022-23	21	13	7	1	27	.643	0	0	75	68	7	29.7	81.2	30.38	11.8	32.71	.901
19	Stars	.609	2019-20	23	14	5	4	32	.696	0	2	71	59	12	19.0	79.2	27.74	11.1	33.61	.924
20	Capitals	.600	2024-25	35	21	12	2	44	.629	1	0	113	104	9	21.5	80.9	26.31	12.3	27.60	.892
21	Bruins	.600	2022-23	10	6	4	0	12	.600	1	0	38	36	2	25.0	83.3	32.70	11.6	33.20	.892
22	Avalanche	.600	2020-21	5	3	2	0	6	.600	0	0	19	15	4	15.0	76.5	32.40	11.7	26.20	.885
23	Hurricanes	.600	2020-21	10	6	3	1	13	.650	0	0	24	19	5	17.6	88.9	33.30	7.2	28.30	.933
24	Predators	.600	2019-20	15	9	5	1	19	.633	0	0	48	44	4	24.6	76.4	32.67	9.8	31.93	.908
25	Sharks	.600	2015-16	25	15	9	1	31	.620	1	0	78	66	12	24.2	85.4	28.44	11.0	28.76	.908