The Toronto Arenas had their worst record in a season in 1918-19, with a record of 5-13-0.

	TEAM	REC	SEASON	PTS	GP	W	L	T	OTL	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Arenas	5-13-0	1918-19	10	18	5	13	0		.278			64	92	-28
2	Maple Leafs	20-52-8	1984-85	48	80	20	52	8		.300			253	358	-105	19.8	73.9	29.08	10.9	32.88	.864
3	Maple Leafs	21-49-10	1987-88	52	80	21	49	10		.325			273	345	-72	15.6	77.9	30.14	11.3	33.99	.873
4	Maple Leafs	20-44-16	1981-82	56	80	20	44	16		.350			298	380	-82	20.3	73.0	29.10	12.8	34.71	.863
5	Maple Leafs	23-46-11	1990-91	57	80	23	46	11		.356			241	318	-77	17.6	77.4	29.29	10.3	32.16	.876
6	Maple Leafs	25-48-7	1985-86	57	80	25	48	7		.356			311	386	-75	18.3	77.3	31.33	12.4	34.66	.861
7	St. Patricks	12-21-3	1925-26	27	36	12	21	3		.375			92	114	-22
8	Maple Leafs	21-38-11	1957-58	53	70	21	38	11		.379			192	226	-34			30.39	9.0	30.17	.893
9	Maple Leafs	26-45-9	1983-84	61	80	26	45	9		.381			303	387	-84	21.7	73.6	29.36	12.9	35.40	.863
10	Maple Leafs	28-46-6	1988-89	62	80	28	46	6		.388			259	342	-83	16.7	72.7	27.06	12.0	34.29	.875
11	Maple Leafs	15-24-5	1926-27	35	44	15	24	5		.398			79	94	-15
12	Maple Leafs	21-34-15	1956-57	57	70	21	34	15		.407			174	192	-18			30.37	8.2	28.14	.903
13	Maple Leafs	27-41-10	1972-73	64	78	27	41	10		.410			247	279	-32			33.10	9.6	33.03	.892
14	Maple Leafs	30-44-8	2014-15	68	82	30	44		8	.415	5	5	206	257	-51	15.9	80.5	29.23	8.6	33.51	.906
15	Maple Leafs	30-44-8	1996-97	68	82	30	44	8		.415			230	273	-43	15.5	82.0	29.28	9.6	34.43	.903
16	St. Patricks	10-14-0	1923-24	20	24	10	14	0		.417			59	85	-26
17	Maple Leafs	30-43-7	1991-92	67	80	30	43	7		.419			234	294	-60	17.5	80.9	30.31	9.6	31.13	.882
18	Maple Leafs	29-42-11	2015-16	69	82	29	42		11	.421	6	6	192	240	-48	15.4	81.6	30.67	7.6	30.52	.904
19	Maple Leafs	30-43-9	1997-98	69	82	30	43	9		.421			194	237	-43	11.4	86.6	27.71	8.5	28.68	.899
20	Maple Leafs	28-40-12	1982-83	68	80	28	40	12		.425			293	330	-37	22.5	75.0	28.39	12.9	31.81	.870
21	Maple Leafs	24-33-13	1955-56	61	70	24	33	13		.436			153	181	-28			30.84	7.1	28.21	.908
22	Maple Leafs	32-42-6	1986-87	70	80	32	42	6		.438			286	319	-33	17.2	78.0	30.13	11.9	32.44	.877
23	Maple Leafs	28-37-15	1980-81	71	80	28	37	15		.444			322	367	-45	25.3	77.4	34.31	11.7	33.55	.863
24	Maple Leafs	19-24-7	1945-46	45	50	19	24	7		.450			174	185	-11
25	Maple Leafs	30-38-14	2009-10	74	82	30	38		14	.451	4	4	210	263	-53	14.0	74.7	32.57	7.9	29.76	.892