The New York Yankees have an ERA of 3.44 in the postseason all-time.

	TEAM	ERA	SEASON	G	W%	W	L	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Yankees	3.09	1921	8	.375	3	5	8	38	6	2	0	70.0	71	24	29	2	22	1	0	293	0	4.89	2.83	1.73	0.26	13.0	7.5	1.33	.300	3.73	9.13
2	Yankees	3.35	1922	5	.000	0	4	5	15	2	0	0	43.0	50	16	18	1	12	0	1	179	1	3.14	2.51	1.25	0.21	8.4	6.7	1.44	.325	3.77	10.47
3	Yankees	2.83	1923	6	.667	4	2	6	18	2	0	2	54.0	47	17	17	5	12	1	0	214	0	3.00	2.00	1.50	0.83	8.4	5.6	1.09	.236	2.83	7.83
4	Yankees	2.86	1926	7	.429	3	4	7	30	3	0	0	63.0	65	20	31	4	11	1	0	263	0	4.29	1.57	2.73	0.57	11.4	4.2	1.21	.281	4.43	9.29
5	Yankees	2.00	1927	4	1.000	4	0	4	7	3	0	1	36.0	29	8	10	0	4	1	1	141	0	1.75	1.00	1.75	0.00	5.0	2.8	0.92	.225	2.50	7.25
6	Yankees	2.00	1928	4	1.000	4	0	4	29	4	0	0	36.0	27	8	10	1	11	1	0	145	0	7.25	2.75	2.64	0.25	20.0	7.6	1.06	.252	2.50	6.75
7	Yankees	3.00	1932	4	1.000	4	0	4	24	2	0	2	36.0	37	12	19	3	11	0	1	158	0	6.00	2.75	2.18	0.75	15.2	7.0	1.33	.283	4.75	9.25
8	Yankees	3.50	1936	6	.667	4	2	6	33	3	0	2	54.0	50	21	23	4	21	0	1	231	1	5.50	3.50	1.57	0.67	14.3	9.1	1.31	.266	3.83	8.33
9	Yankees	2.45	1937	5	.800	4	1	5	21	3	0	1	44.0	40	12	12	1	11	0	1	180	0	4.30	2.25	1.91	0.20	11.7	6.1	1.16	.265	2.45	8.18
10	Yankees	1.75	1938	4	1.000	4	0	4	26	3	0	1	36.0	33	7	9	2	6	0	0	143	0	6.50	1.50	4.33	0.50	18.2	4.2	1.08	.284	2.25	8.25
11	Yankees	1.22	1939	4	1.000	4	0	4	22	2	1	0	37.0	27	5	8	0	6	1	0	142	0	5.35	1.46	3.67	0.00	15.5	4.2	0.89	.239	1.95	6.57
12	Yankees	1.80	1941	5	.800	4	1	5	21	3	0	0	45.0	29	9	11	1	14	0	0	173	0	4.20	2.80	1.50	0.20	12.1	8.1	0.96	.204	2.20	5.80
13	Yankees	4.50	1942	5	.200	1	4	5	19	2	0	1	44.0	39	22	23	2	17	0	3	187	0	3.89	3.48	1.12	0.41	10.2	9.1	1.27	.248	4.70	7.98
14	Yankees	1.40	1943	5	.800	4	1	5	26	3	1	1	45.0	37	7	9	2	11	0	3	181	0	5.20	2.20	2.36	0.40	14.4	6.1	1.07	.246	1.80	7.40
15	Yankees	4.09	1947	7	.571	4	3	7	32	3	0	1	61.2	52	28	29	1	30	1	2	260	4	4.67	4.38	1.07	0.15	12.3	11.5	1.33	.260	4.23	7.59
16	Yankees	2.80	1949	5	.800	4	1	5	38	1	1	2	45.0	34	14	14	4	15	1	1	180	0	7.60	3.00	2.53	0.80	21.1	8.3	1.09	.246	2.80	6.80
17	Yankees	0.73	1950	4	1.000	4	0	4	24	2	1	1	37.0	26	3	5	0	7	1	2	142	0	5.84	1.70	3.43	0.00	16.9	4.9	0.89	.236	1.22	6.32
18	Yankees	1.87	1951	6	.667	4	2	6	22	3	0	1	53.0	46	11	18	2	25	1	0	222	0	3.74	4.25	0.88	0.34	9.9	11.3	1.34	.256	3.06	7.81
19	Yankees	2.81	1952	7	.571	4	3	7	49	2	1	2	64.0	50	20	20	6	24	1	5	264	1	6.89	3.38	2.04	0.84	18.6	9.1	1.16	.239	2.81	7.03
20	Yankees	4.50	1953	6	.667	4	2	6	30	2	0	1	52.0	64	26	27	8	15	2	2	232	1	5.19	2.60	2.00	1.38	12.9	6.5	1.52	.316	4.67	11.08
21	Yankees	4.20	1955	7	.429	3	4	7	38	2	0	1	60.0	58	28	31	9	33	2	3	266	2	5.70	4.95	1.15	1.35	14.3	12.4	1.52	.266	4.65	8.70
22	Yankees	2.48	1956	7	.571	4	3	7	47	5	2	0	61.2	42	17	25	3	32	0	4	252	0	6.86	4.67	1.47	0.44	18.7	12.7	1.20	.229	3.65	6.13
23	Yankees	2.89	1957	7	.429	3	4	7	40	2	0	0	62.1	47	20	23	8	22	3	0	256	1	5.78	3.18	1.82	1.16	15.6	8.6	1.11	.213	3.32	6.79
24	Yankees	3.39	1958	7	.571	4	3	7	56	1	1	2	63.2	60	24	25	3	27	0	2	274	3	7.92	3.82	2.07	0.42	20.4	9.9	1.37	.303	3.53	8.48
25	Yankees	3.54	1960	7	.429	3	4	7	26	2	2	1	61.0	60	24	27	4	12	3	0	252	1	3.84	1.77	2.17	0.59	10.3	4.8	1.18	.271	3.98	8.85
	Total	3.44		444	.576	255	188	444	2,942	85	15	99	3992.2	3,635	1,528	1,681	385	1,332	107	115	16,698	95	6.63	3.00	2.21	0.87	17.6	8.0	1.24	.272	3.79	8.19