Tommy Bond has the best career ERA for the Boston Red Caps, with an ERA of 2.21.

Interpreted as:

best with a minimum of 750 IP pitchers on the braves ever

	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	Tommy Bond T. Bond	2.21	2127.1	247	149	87	.631	241	627	225	29	0	2,243	523	991	22	140		9		8,708	71	2.65	0.59	4.48	0.09	7.2	1.6	1.12		4.19	90	2.41	98	9.49	7
2	Jim Whitney J. Whitney	2.49	2263.2	266	133	121	.524	254	1,157	242	18	2	2,219	627	1,197	42	230		11		9,375	162	4.60	0.91	5.03	0.17	12.3	2.5	1.08		4.76	88	2.48	85	8.82	104.3
3	Art Nehf A. Nehf	2.52	885.2	126	52	41	.559	96	325	69	12	0	792	248	320	13	196	22	17		3,564	16	3.30	1.99	1.66	0.13	9.1	5.5	1.12	.259	3.25	95	2.51	96	8.05	6.8
4	Dick Rudolph D. Rudolph	2.62	2035.0	275	121	108	.528	239	777	171	27	6	1,948	593	765	35	400	27	33		8,216	39	3.44	1.77	1.94	0.15	9.5	4.9	1.15	.274	3.38	93	2.51	88	8.62	74.4
5	Greg Maddux G. Maddux	2.63	2526.2	363	194	88	.688	363	1,828	61	21	0	2,273	739	845	152	383	65	0	84	10,081	25	6.51	1.36	4.77	0.54	18.1	3.8	1.05	.277	3.01	61	2.95	68	8.10	388.7
6	Pat Ragan P. Ragan	2.74	775.2	125	39	49	.443	90	307	47	9	1	717	236	291	15	198	12	23		3,165	6	3.56	2.30	1.55	0.17	9.7	6.3	1.18	.267	3.38	104	2.59	100	8.32	-1.4
7	John Clarkson J. Clarkson	2.82	2092.2	242	149	82	.645	237	834	226	20	4	1,957	656	1,022	69	676	63	5		8,932	89	3.59	2.91	1.23	0.30	9.3	7.6	1.26	.259	4.40	79	3.44	92	8.42	89.2
8	Vic Willis V. Willis	2.82	2575.0	320	151	147	.507	302	1,161	268	26	5	2,386	808	1,148	51	854	133	17		10,644	73	4.06	2.98	1.36	0.18	10.9	8.0	1.26	.276	4.01	86	3.22	95	8.34	53
9	Charlie Buffinton C. Buffinton	2.83	1547.1	184	104	70	.598	180	911	166	19	1	1,533	487	813	35	292		5		6,527	80	5.30	1.70	3.12	0.20	14.0	4.5	1.18		4.73	96	2.81	90	8.92	48
10	Vive Lindaman V. Lindaman	2.92	904.0	131	36	60	.375	100	286	83	7	2	876	293	418	22	296	37	27		3,670	21	2.85	2.95	0.97	0.22	7.8	8.1	1.30	.282	4.16	114	3.01	112	8.72	-29.9
11	Kid Nichols K. Nichols	3.00	4549.0	557	329	183	.643	502	1,680	476	44	16	4,451	1,515	2,273	151	1,163	118	53		18,977	156	3.32	2.30	1.44	0.30	8.9	6.1	1.23	.271	4.50	71	3.59	84	8.81	360.1
12	Warren Spahn W. Spahn	3.05	5046.0	714	356	229	.609	635	2,493	374	63	28	4,620	1,710	1,912	408	1,378	39	64	58	20,701	79	4.45	2.46	1.81	0.73	12.0	6.7	1.19	.257	3.41	83	3.41	93	8.24	142.4
13	Lefty Tyler L. Tyler	3.06	1687.2	247	92	92	.500	199	827	134	22	6	1,500	574	762	42	678	59	38		7,018	51	4.41	3.62	1.22	0.22	11.8	9.7	1.29	.269	4.06	99	3.16	102	8.00	-10
14	Jesse Barnes J. Barnes	3.07	1182.2	192	58	86	.403	137	323	87	14	4	1,207	403	520	37	256	13	43		4,894	11	2.46	1.95	1.26	0.28	6.6	5.2	1.24	.274	3.96	93	3.26	98	9.19	-0.7
15	Max Fried M. Fried	3.07	884.1	168	73	36	.670	151	863	6	4	0	783	302	332	76	246	35	10	6	3,614	39	8.78	2.50	3.51	0.77	23.9	6.8	1.16	.295	3.38	72	3.28	79	7.97	85.8
16	Togie Pittinger T. Pittinger	3.08	1471.2	180	75	84	.472	162	616	141	16	1	1,477	503	725	31	545	63	16		6,205	35	3.77	3.33	1.13	0.19	9.9	8.8	1.37	.292	4.43	98	3.37	106	9.03	-28
17	Irv Young I. Young	3.15	1066.2	142	50	78	.391	126	425	107	15	1	1,067	373	483	20	231	29	12		4,247	18	3.59	1.95	1.84	0.17	10.0	5.4	1.22	.296	4.08	117	2.54	91	9.00	30.2
18	Phil Niekro P. Niekro	3.20	4622.1	740	268	230	.538	595	2,912	226	43	29	4,224	1,645	1,922	392	1,458	108	81	83	19,238	200	5.67	2.84	2.00	0.76	15.1	7.6	1.23	.267	3.74	84	3.45	92	8.22	154.8
19	Ken Johnson K. Johnson	3.22	769.2	130	45	34	.570	104	390	26	3	3	746	275	317	72	155	19	13	32	3,141	8	4.56	1.81	2.52	0.84	12.4	4.9	1.17	.269	3.71	94	3.39	103	8.72	-7
20	John Smoltz J. Smoltz	3.26	3395.0	708	210	147	.588	466	3,011	53	16	154	2,979	1,229	1,336	277	992	54	204	82	13,927	145	7.98	2.63	3.04	0.73	21.6	7.1	1.17	.282	3.54	79	3.22	78	7.90	353.5
21	Bob Buhl B. Buhl	3.27	1599.2	282	109	72	.602	220	791	83	16	5	1,442	582	673	130	782	19	26	31	6,864	35	4.45	4.40	1.01	0.73	11.5	11.4	1.39	.255	3.79	90	4.05	112	8.11	-88.4
22	Jim Tobin J. Tobin	3.34	1368.0	188	72	83	.465	161	334	125	10	3	1,346	508	599	80	402	16	20		5,771	18	2.20	2.64	0.83	0.53	5.8	7.0	1.28	.256	3.94	95	3.72	105	8.86	-27.3
23	Gene Garber G. Garber	3.34	856.0	557	53	73	.421	0	540	0	0	141	859	318	382	66	233	17	388	83	3,621	17	5.68	2.45	2.32	0.69	14.9	6.4	1.28	.287	4.02	86	3.33	86	9.03	51.1
24	Al Mattern A. Mattern	3.37	844.1	138	36	58	.383	94	254	53	9	4	878	316	435	22	299	10	38		3,493	17	2.71	3.19	0.85	0.23	7.3	8.6	1.39	.294	4.64	107	3.21	101	9.36	1.2
25	Rick Camp R. Camp	3.37	942.1	414	56	49	.533	65	407	5	0	57	970	353	420	72	336	21	170	58	4,049	29	3.89	3.21	1.21	0.69	10.1	8.3	1.39	.279	4.01	88	3.97	104	9.26	-11.7