lowest career era by pitcher with a minimum of 100 ip since 1909

Since 1909, Emmanuel Clase has the best ERA when pitching at least 100 innings, with an ERA of 1.88.

	NAME	ERA	IP	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	Emmanuel Clase E. Clase	1.88	360.0	366	21	25	.457	1	349	0	0	182	267	75	111	15	70	9	297	10	1,417	19	8.73	1.75	4.99	0.38	24.6	4.9	0.94	.259	2.78	45	2.43	58	6.68	68.8
2	Addie Joss A. Joss	1.88	350.0	46	19	18	.514	40	116	33	5	0	294	73	106	2	49	6	5		1,324	3	2.98	1.26	2.37	0.05	8.8	3.7	0.98	.254	2.73	75	2.13	87	7.56	12.6
3	Ed Walsh E. Walsh	1.90	1552.1	227	100	74	.575	168	962	132	29	22	1,236	327	461	16	355	22	54		6,002	29	5.58	2.06	2.71	0.09	16.0	5.9	1.02	.263	2.67	66	2.19	78	7.17	100.2
4	Paul Skenes P. Skenes	1.96	320.2	55	21	13	.618	55	386	1	0	0	230	70	76	21	74	12	0	0	1,247	4	10.83	2.08	5.22	0.59	31.0	5.9	0.95	.277	2.13	46	2.39	58	6.46	61
5	Félix Bautista F. Bautista	2.01	161.1	156	13	7	.650	0	248	0	0	67	84	36	42	14	72	3	104	1	632	10	13.83	4.02	3.44	0.78	39.2	11.4	0.97	.237	2.34	51	2.61	65	4.69	25.9
6	Joe Wood J. Wood	2.03	1411.2	219	116	56	.674	156	978	120	27	10	1,124	318	485	10	405	48	53		5,536	43	6.24	2.58	2.41	0.06	17.7	7.3	1.08	.272	3.09	69	2.24	77	7.17	108.5
7	Ed Killian E. Killian	2.11	247.1	36	15	12	.556	28	74	19	4	1	225	58	83	3	76	12	5		1,004	5	2.69	2.77	0.97	0.11	7.4	7.6	1.22	.265	3.02	81	2.88	112	8.19	-7.3
8	Orval Overall O. Overall	2.12	497.2	72	36	22	.621	62	327	40	14	4	383	117	143	4	160	10	8		1,966	16	5.91	2.89	2.04	0.07	16.6	8.1	1.09	.259	2.59	74	2.11	75	6.93	37.1
9	Mellie Wolfgang M. Wolfgang	2.18	326.0	77	15	14	.517	27	111	15	3	0	268	79	115	3	95	4	37		1,269	3	3.06	2.62	1.17	0.08	8.7	7.5	1.11	.251	3.17	79	2.72	97	7.40	3
10	Eddie Plank E. Plank	2.19	2095.0	323	159	83	.657	248	1,036	171	36	22	1,813	510	685	17	535	58	61		8,186	35	4.45	2.30	1.94	0.07	12.7	6.5	1.12	.275	2.94	78	2.44	87	7.79	82
11	Walter Johnson W. Johnson	2.20	5547.2	752	398	256	.609	624	3,278	497	102	33	4,619	1,354	1,792	96	1,290	192	119		21,988	137	5.32	2.09	2.54	0.16	14.9	5.9	1.07	.264	2.91	67	2.47	76	7.49	449.4
12	Cy Morgan C. Morgan	2.20	929.2	131	54	45	.545	115	430	69	10	2	715	227	336	3	384	67	9		3,689	34	4.16	3.72	1.12	0.03	11.7	10.4	1.18	.254	3.25	79	3.03	114	6.92	-41
13	Carson Smith C. Smith	2.21	102.0	108	4	6	.400	0	129	0	0	14	74	25	27	4	34	7	31	4	415	6	11.38	3.00	3.79	0.35	31.1	8.2	1.06	.290	2.38	55	2.32	58	6.53	19.3
14	Mariano Rivera M. Rivera	2.21	1283.2	1,115	82	60	.577	10	1,173	0	0	652	998	315	340	71	286	46	952	41	5,103	13	8.22	2.01	4.10	0.50	23.0	5.6	1.00	.263	2.38	49	2.76	61	7.00	246.7
15	Christy Mathewson C. Mathewson	2.22	2089.1	284	162	82	.664	240	857	179	26	16	1,976	516	725	54	240	9	38		8,224	29	3.69	1.03	3.57	0.23	10.4	2.9	1.06	.272	3.12	76	2.38	79	8.51	145.7
16	Erv Lange E. Lange	2.23	190.0	36	12	11	.522	22	87	10	2	2	162	47	69	3	55	3	11		781	1	4.12	2.61	1.58	0.14	11.1	7.0	1.14	.251	3.27	74	2.64	96	7.67	1.2
17	Bill James B. James	2.28	541.2	84	37	21	.638	60	253	44	5	3	469	137	196	14	199	22	20		2,217	17	4.20	3.31	1.27	0.23	11.4	9.0	1.23	.263	3.26	75	3.09	99	7.79	4.8
18	Babe Ruth B. Ruth	2.28	1221.1	163	94	46	.671	147	488	107	17	4	974	309	400	10	441	29	12		4,896	25	3.60	3.25	1.11	0.07	10.0	9.0	1.16	.245	2.95	82	2.81	100	7.18	-6.6
19	Jim Scott J. Scott	2.30	1892.0	317	107	114	.484	226	945	123	26	9	1,624	483	686	21	609	53	63		7,487	32	4.50	2.90	1.55	0.10	12.6	8.1	1.18	.274	3.26	85	2.63	96	7.73	21.2
20	Billy Wagner B. Wagner	2.31	903.0	853	47	40	.540	0	1,196	0	0	422	601	232	262	82	300	33	703	26	3,600	43	11.92	2.99	3.99	0.82	33.2	8.3	1.00	.261	2.61	54	2.72	63	5.99	159
21	Abner Uribe A. Uribe	2.32	120.1	121	6	4	.600	0	143	0	0	11	82	31	37	5	59	7	28	3	491	14	10.70	4.41	2.42	0.37	29.1	12.0	1.17	.278	2.77	55	2.97	71	6.13	16.7
22	Reb Russell R. Russell	2.33	1291.2	242	80	59	.576	148	495	81	24	13	1,128	335	453	7	267	18	60		5,021	21	3.45	1.86	1.85	0.05	9.9	5.3	1.08	.265	3.16	84	2.35	83	7.86	68.6
23	Takashi Saito T. Saito	2.34	338.0	338	21	15	.583	0	400	0	0	84	250	88	99	25	108	14	189	13	1,363	9	10.65	2.88	3.70	0.67	29.3	7.9	1.06	.276	2.64	55	2.80	66	6.66	55.7
24	George Sisler G. Sisler	2.35	111.0	24	5	6	.455	12	63	9	1	3	91	29	36	0	52	6	8		453	2	5.11	4.22	1.21	0.00	13.9	11.5	1.29	.274	2.92	83	2.84	98	7.38	0.7
25	Chief Bender C. Bender	2.36	1718.0	272	128	64	.667	190	937	132	24	27	1,532	450	587	21	395	48	72		6,745	46	4.91	2.07	2.37	0.11	13.9	5.9	1.12	.283	3.08	83	2.31	82	8.03	89.9