seasons by a pitcher with at least 50 innings pitched and an era below 1

Tim Keefe played 1 season with 50.0+ innings pitched with an ERA better than 1.00.

	NAME	SEAS	IP	ERA	G	W	L	W%	GS	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Tim Keefe T. Keefe	1	105.0	0.86	12	6	6	.500	12	39	12	0	0	68	10	27	0	16		0		397	1	3.34	1.37	2.44	0.00	9.8	4.0	0.80		2.31	35	2.25	91	5.83	3.6
2	Nick Maddox N. Maddox	1	54.0	0.83	6	5	1	.833	6	38	6	1	0	32	5	8	0	13	4	0		197	1	6.33	2.17	2.92	0.00	19.3	6.6	0.83	.225	1.33	34	1.72	65	5.33	5.5
3	Dutch Leonard D. Leonard	1	224.2	0.96	36	19	5	.792	25	176	17	7	3	139	24	34	3	60	8	8		842	2	7.05	2.40	2.93	0.12	20.9	7.1	0.89	.229	1.36	36	1.95	70	5.57	20.4
4	Ferdie Schupp F. Schupp	1	140.1	0.90	30	9	3	.750	11	86	8	4	1	79	14	22	1	37	5	17		525	2	5.52	2.37	2.32	0.06	16.4	7.0	0.83	.197	1.41	36	2.08	84	5.07	6.1
5	Earl Hamilton E. Hamilton	1	54.0	0.83	6	6	0	1.000	6	20	6	1	0	47	5	7	0	13	0	0		210	1	3.33	2.17	1.54	0.00	9.5	6.2	1.11	.266	1.17	30	2.21	80	7.83	3.3
6	Bill Henry B. Henry	1	52.0	0.87	37	2	2	.500	0	28	0	0	6	31	5	9	2	12	3	20	4	202	1	4.85	2.08	2.33	0.35	13.9	5.9	0.83	.185	1.56	24	2.89	82	5.37	3.6
7	Rob Murphy R. Murphy	1	50.1	0.72	34	6	0	1.000	0	36	0	0	1	26	4	4	0	21	0	12	2	195	5	6.44	3.75	1.71	0.00	18.5	10.8	0.93	.188	0.72	19	2.58	67	4.65	7
8	Dennis Eckersley D. Eckersley	1	73.1	0.61	63	4	2	.667	0	73	0	0	48	41	5	9	2	4	0	61	1	262	0	8.96	0.49	18.25	0.25	27.9	1.5	0.61	.213	1.10	17	1.33	35	5.03	20.6
9	Chris Hammond C. Hammond	1	76.0	0.95	63	7	2	.778	0	63	0	0	0	53	8	15	1	31	1	6	9	311	1	7.46	3.67	2.03	0.12	20.3	10.0	1.11	.242	1.78	23	2.73	65	6.28	12.3
10	Jonathan Papelbon J. Papelbon	1	68.1	0.92	59	4	2	.667	0	75	0	0	35	40	7	8	3	13	1	49	2	257	2	9.88	1.71	5.77	0.40	29.2	5.1	0.78	.224	1.05	20	2.13	48	5.27	17.7
11	Dennys Reyes D. Reyes	1	50.2	0.89	66	5	0	1.000	0	49	0	0	0	35	5	8	3	15	0	8	2	194	4	8.70	2.66	3.27	0.53	25.3	7.7	0.99	.252	1.42	20	2.86	65	6.22	8.7
12	Eric O'Flaherty E. O'Flaherty	1	73.2	0.98	78	2	4	.333	0	67	0	0	0	59	8	9	2	21	3	5	8	301	1	8.19	2.57	3.19	0.24	22.3	7.0	1.09	.274	1.10	26	2.53	67	7.21	10.3
13	Fernando Rodney F. Rodney	1	74.2	0.60	76	2	2	.500	0	76	0	0	48	43	5	9	2	15	3	65	1	282	4	9.16	1.81	5.07	0.24	27.0	5.3	0.78	.220	1.08	16	2.12	52	5.18	16.2
14	Wade Davis W. Davis	1	67.1	0.94	69	8	1	.889	0	78	0	0	17	33	7	8	3	20	0	24	1	251	1	10.43	2.67	3.90	0.40	31.1	8.0	0.79	.200	1.07	23	2.28	58	4.41	12.7
15	Zack Britton Z. Britton	1	67.0	0.54	69	2	1	.667	0	74	0	0	47	38	4	7	1	18	0	63	3	254	10	9.94	2.42	4.11	0.13	29.1	7.1	0.84	.230	0.94	13	1.93	44	5.10	17.7
16	Blake Treinen B. Treinen	1	80.1	0.78	68	9	2	.818	0	100	0	0	38	46	7	12	2	21	1	58	3	315	6	11.20	2.35	4.76	0.22	31.7	6.7	0.83	.230	1.34	19	1.81	44	5.15	21
17	Aaron Loup A. Loup	1	56.2	0.95	65	6	0	1.000	2	57	0	0	0	37	6	9	1	16	4	6	0	218	0	9.05	2.54	3.56	0.16	26.1	7.3	0.94	.257	1.43	24	2.44	58	5.88	11.2
18	Emmanuel Clase E. Clase	1	74.1	0.61	74	4	2	.667	0	66	0	0	47	39	5	10	2	10	2	66	1	270	2	7.99	1.21	6.60	0.24	24.4	3.7	0.66	.195	1.21	15	2.22	55	4.72	15.2