lowest era by a cubs pitcher with 100+ starts in career

Mordecai Brown has the best career ERA for the Cubs when starting 100+ games, with an ERA of 1.80.

	NAME	ERA	GS	G	W	L	W%	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	ERA-	FIP	FIP-	H/9	PRAA
1	Mordecai Brown M. Brown	1.80	241	346	188	86	.686	1,043	206	48	39	2329.0	1,879	465	679	19	445	44	98		8,967	41	4.03	1.72	2.34	0.07	11.6	5.0	1.00	.251	2.62	64	2.21	78	7.26	159.6
2	Jack Pfiester J. Pfiester	1.85	123	143	70	40	.636	482	72	17	0	1028.1	815	211	326	6	274	37	12		4,046	15	4.22	2.40	1.76	0.05	11.9	6.8	1.06	.249	2.85	72	2.29	85	7.13	44.5
3	Orval Overall O. Overall	1.94	133	163	86	43	.667	729	95	28	12	1135.0	865	245	322	11	358	27	24		4,478	37	5.78	2.84	2.04	0.09	16.3	8.0	1.08	.255	2.55	74	2.10	78	6.86	74.3
4	Jake Weimer J. Weimer	2.14	100	105	58	34	.630	412	84	10	1	839.1	682	200	291	6	281	30	5		3,427	14	4.42	3.01	1.47	0.06	12.0	8.2	1.15	.251	3.12	73	2.78	94	7.31	12.9
5	Ed Reulbach E. Reulbach	2.24	216	281	136	65	.677	799	149	31	9	1864.2	1,459	464	606	21	650	85	54		7,405	29	3.86	3.14	1.23	0.10	10.8	8.8	1.13	.246	2.92	79	2.87	99	7.04	0
6	Larry Corcoran L. Corcoran	2.26	262	270	175	85	.673	1,086	252	22	2	2338.1	2,084	588	1,181	65	462		8		9,740	111	4.18	1.78	2.35	0.25	11.1	4.7	1.09		4.55	77	2.94	96	8.02	51.8
7	Hippo Vaughn H. Vaughn	2.33	270	305	151	105	.590	1,138	177	35	4	2216.1	1,971	575	789	35	621	63	31		9,097	41	4.62	2.52	1.83	0.14	12.5	6.8	1.17	.267	3.20	79	2.56	86	8.00	96.3
8	Terry Larkin T. Larkin	2.34	114	114	60	49	.550	305	113	5	0	1019.1	1,025	265	565	9	61		0		4,281	57	2.69	0.54	5.00	0.08	7.1	1.4	1.07		4.99	95	2.33	94	9.05	24.6
9	John Clarkson J. Clarkson	2.39	197	199	137	57	.706	960	186	15	0	1730.2	1,523	460	850	69	300	8	2		7,062	63	4.99	1.56	3.20	0.36	13.6	4.2	1.05	.254	4.42	67	3.03	82	7.92	155.6
10	Carl Lundgren C. Lundgren	2.42	149	179	91	55	.623	535	125	19	6	1322.0	1,129	355	496	16	476	35	28		5,320	26	3.64	3.24	1.12	0.11	10.1	8.9	1.21	.261	3.38	90	2.94	106	7.69	-23.7
11	Jack Taylor J. Taylor	2.65	197	216	109	90	.548	430	189	14	3	1810.0	1,772	532	857	23	370	63	19		7,355	26	2.14	1.84	1.16	0.11	5.8	5.0	1.18	.270	4.26	83	3.15	98	8.81	8.7
12	Larry Cheney L. Cheney	2.74	132	174	76	51	.598	512	80	14	16	1061.0	900	323	444	22	407	29	37		4,418	71	4.34	3.45	1.26	0.19	11.6	9.2	1.23	.255	3.77	90	3.13	100	7.63	1.2
13	Fred Goldsmith F. Goldsmith	2.78	174	177	107	63	.629	391	164	16	1	1516.2	1,595	468	834	38	168		2		6,382	54	2.32	1.00	2.33	0.23	6.1	2.6	1.16		4.95	92	3.04	100	9.46	13.1
14	Lon Warneke L. Warneke	2.84	190	262	109	72	.602	706	122	17	12	1624.2	1,549	512	613	71	413	17	48		6,708	33	3.91	2.29	1.71	0.39	10.5	6.2	1.21	.269	3.40	75	3.46	90	8.58	68.5
15	Grover Alexander G. Alexander	2.84	224	242	128	83	.607	614	158	24	10	1884.1	1,919	595	717	70	268	10	15		7,647	13	2.93	1.28	2.29	0.33	8.0	3.5	1.16	.277	3.42	75	3.17	84	9.17	120.9
16	Claude Hendrix C. Hendrix	2.84	120	168	57	61	.483	425	76	9	3	1076.0	1,048	340	442	18	289	27	34		4,485	32	3.55	2.42	1.47	0.15	9.5	6.4	1.24	.276	3.70	99	2.71	94	8.77	21.8
17	Claude Passeau C. Passeau	2.96	234	292	124	94	.569	754	143	22	15	1914.2	1,919	629	751	73	474	21	44		8,063	17	3.54	2.23	1.59	0.34	9.4	5.9	1.25	.274	3.53	83	3.09	86	9.02	111
18	Jimmy Lavender J. Lavender	3.03	128	196	57	68	.456	495	58	10	11	1078.0	978	363	486	33	403	53	41		4,522	25	4.13	3.36	1.23	0.28	10.9	8.9	1.28	.267	4.06	102	3.28	108	8.17	-29.3
19	Hank Wyse H. Wyse	3.03	133	198	69	54	.561	321	63	11	8	1063.0	1,105	358	432	50	268	15	38		4,452	9	2.72	2.27	1.20	0.42	7.2	6.0	1.29	.278	3.66	85	3.29	93	9.36	25.5
20	Jake Arrieta J. Arrieta	3.14	148	148	73	42	.635	867	6	5	0	889.1	699	310	349	82	283	32	0	11	3,608	47	8.77	2.86	3.06	0.83	24.0	7.8	1.10	.263	3.53	78	3.44	85	7.07	55.6
21	Bill Hands B. Hands	3.18	213	276	92	86	.517	900	64	14	9	1564.0	1,485	552	636	132	389	27	36	50	6,464	32	5.18	2.24	2.31	0.76	13.9	6.0	1.20	.270	3.66	84	3.24	89	8.55	71.7
22	Fergie Jenkins F. Jenkins	3.20	347	401	167	132	.559	2,038	154	29	6	2673.2	2,402	952	1,061	271	600	52	25	77	10,898	37	6.86	2.02	3.40	0.91	18.7	5.5	1.12	.268	3.57	84	3.06	83	8.09	182
23	Larry Jackson L. Jackson	3.26	116	119	52	52	.500	437	44	11	0	838.0	803	304	355	59	173	12	1	19	3,448	12	4.69	1.86	2.53	0.63	12.7	5.0	1.16	.269	3.81	90	3.07	88	8.62	39.7
24	Jimmy Callahan J. Callahan	3.29	119	121	66	47	.584	279	116	8	0	1043.2	1,162	381	598	18	276	64	2		4,484	28	2.41	2.38	1.01	0.16	6.2	6.2	1.38	.297	5.16	87	3.60	95	10.02	19
25	Milt Pappas M. Pappas	3.33	112	115	51	41	.554	307	31	11	0	763.0	793	282	316	77	167	17	2	27	3,177	13	3.62	1.97	1.84	0.91	9.7	5.3	1.26	.274	3.73	85	3.72	97	9.35	12