lowest earned run average by a pitcher before turning 25 with at least 75 games

Bill Bailey had the best ERA by a pitcher younger than 25 when pitching in 75+ games, with an ERA of 0.02.

Interpreted as:

lowest earned run average by a pitcher before turning 25 years old with at least 75 games

	NAME	ERA	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Bill Bailey B. Bailey	0.02	98	15	37	.288	56	260	39	1	0	537.1	504		295	7	249	22	33			25	4.35	4.17	1.04	0.12		10.8	1.40	.282	4.94	8.44
2	Ray Collins R. Collins	0.02	78	28	26	.519	58	226	36	6	2	512.1	456		183	4	104	5	17		2,034	9	3.97	1.83	2.17	0.07	11.1	5.1	1.09	.267	3.21	8.01
3	Walter Johnson W. Johnson	0.08	211	110	81	.576	182	1,156	158	31	6	1614.2	1,256		487	12	360	66	28			74	6.44	2.01	3.21	0.07		5.7	1.00	.261	2.71	7.00
4	Hippo Vaughn H. Vaughn	0.11	85	27	32	.458	62	278	37	6	1	512.0	493		249	4	181	24	16		2,163	22	4.89	3.18	1.54	0.07	12.9	8.4	1.32	.292	4.38	8.67
5	Ralph Works R. Works	0.11	94	24	23	.511	46	207	28	4	4	481.1	497		264	5	198	20	40		2,092	20	3.87	3.70	1.05	0.09	9.9	9.5	1.44	.296	4.94	9.29
6	Jack Rowan J. Rowan	0.17	96	30	31	.492	65	226	38	5	1	569.2	518		251	7	239	13	23		2,354	9	3.57	3.78	0.95	0.11	9.6	10.2	1.33	.273	3.97	8.18
7	Jim Scott J. Scott	0.18	125	38	44	.463	85	437	50	10	1	760.2	632		290	8	283	28	33		3,065	19	5.17	3.35	1.54	0.09	14.3	9.2	1.20	.270	3.43	7.48
8	Rube Marquard R. Marquard	0.19	88	33	25	.569	64	401	32	5	3	527.0	449		220	13	220	19	14		2,168	23	6.85	3.76	1.82	0.22	18.5	10.1	1.27	.288	3.76	7.67
9	Harry Krause H. Krause	0.40	85	36	26	.581	57	298	39	10	2	523.0	445		185	8	145	33	15			6	5.13	2.50	2.06	0.14		6.9	1.13	.270	3.18	7.66
10	Joe Wood J. Wood	0.59	193	102	51	.667	141	933	111	25	6	1257.2	992		453	9	369	51	45			40	6.68	2.64	2.53	0.06		7.3	1.08	.266	3.24	7.10
11	Doc Crandall D. Crandall	0.73	183	63	32	.663	75	364	46	4	18	906.2	887		394	35	224	25	102			6	3.61	2.22	1.63	0.35		6.0	1.23	.273	3.91	8.80
12	Ray Caldwell R. Caldwell	0.89	78	23	31	.426	55	261	34	4	2	464.1	465		236	9	158	20	18			12	5.06	3.06	1.65	0.17		8.0	1.34	.300	4.57	9.01
13	George Kahler G. Kahler	1.01	109	32	43	.427	77	285	41	5	2	626.1	629		314	3	273	33	23		2,666	14	4.10	3.92	1.04	0.04	10.7	10.2	1.44	.302	4.51	9.04
14	Jean Dubuc J. Dubuc	1.08	105	38	34	.528	65	213	52	4	6	627.1	562		306	5	279	24	37			36	3.06	4.00	0.76	0.07		10.4	1.34	.257	4.39	8.06
15	Ken Giles K. Giles	1.33	106	9	3	.750	0	142	0	0	14	108.2	76	16	24	2	34	1	33	2	432	2	11.76	2.82	4.18	0.17	32.9	7.9	1.01	.292	1.99	6.29
16	Willie Mitchell W. Mitchell	1.34	171	50	57	.467	112	603	61	8	2	1021.1	898		462	8	398	56	44			36	5.31	3.51	1.52	0.07		9.3	1.27	.278	4.07	7.91
17	Bob Harmon B. Harmon	1.46	158	60	60	.500	125	360	68	5	6	1018.2	964		529	21	496	17	25			28	3.18	4.38	0.73	0.19		11.4	1.43	.274	4.67	8.52
18	Emmanuel Clase E. Clase	1.47	169	9	12	.429	1	172	0	0	67	165.2	114	27	44	7	32	2	125	5	644	8	9.34	1.74	5.38	0.38	26.7	5.0	0.88	.248	2.39	6.19
19	Craig Kimbrel C. Kimbrel	1.55	183	12	5	.706	0	312	0	0	104	179.2	98	31	33	9	66	5	145	3	700	13	15.63	3.31	4.73	0.45	44.6	9.4	0.91	.289	1.65	4.91
20	Boardwalk Brown B. Brown	1.69	79	30	23	.566	60	139	27	6	1	447.2	419		216	8	180	19	10		1,934	15	2.79	3.62	0.77	0.16	7.2	9.3	1.34	.259	4.34	8.42
21	Earl Hamilton E. Hamilton	1.85	195	57	77	.425	140	487	83	11	5	1221.0	1,149		556	19	442	49	37		5,086	25	3.59	3.26	1.10	0.14	9.6	8.7	1.30	.276	4.10	8.47
22	Bruce Sutter B. Sutter	1.94	114	13	6	.684	0	202	0	0	41	190.2	132	41	48	9	49	1	76	15	743	9	9.53	2.31	4.12	0.42	27.2	6.6	0.95	.255	2.27	6.23
23	Dutch Leonard D. Leonard	2.03	159	67	41	.620	110	583	59	18	10	949.2	764	214	288	12	291	38	40		3,808	18	5.53	2.76	2.00	0.11	15.3	7.6	1.11	.261	2.73	7.24
24	Joakim Soria J. Soria	2.05	133	5	6	.455	0	151	0	0	66	145.0	93	33	36	8	42	7	103	4	569	5	9.37	2.61	3.60	0.50	26.5	7.4	0.93	.235	2.23	5.77
25	Jeff Tesreau J. Tesreau	2.06	77	39	20	.661	66	286	35	4	1	523.1	397	120	187	9	225	17	8		2,160	10	4.92	3.87	1.27	0.15	13.2	10.4	1.19	.239	3.22	6.83