highest tbf per earned runs by a pitcher in mlb history with at least 270 tbf

John Weyhing has the most career total batters faced per earned run when facing 270+ batters, with 22.83.

	NAME	TBF/ER	TBF	ER	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	R	HR	BB	HBP	GF	IBB	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	John Weyhing J. Weyhing	22.83	274	12	9	3	4	.429	8	1.62	30	7	0	0	66.2	53	29	0	21	1	1		1	4.05	2.84	1.43	0.00	10.9	7.7	1.11	.239	3.91	50	2.68	88	7.16	2.5
2	Al Spalding A. Spalding	21.23	2,272	107	65	48	12	.800	61	1.78	41	53	8	1	539.2	559	238	6	26		4		1	0.68	0.43	1.58	0.10	1.8	1.1	1.08		3.97	74	2.38	99	9.32	9.6
3	Charlie Hodnett C. Hodnett	20.22	647	32	18	14	4	.778	18	1.88	47	15	1	0	153.0	149	66	1	23		0		10	2.76	1.35	2.04	0.06	7.3	3.6	1.12		3.88	63	3.19	117	8.76	-8.8
4	Jim Devlin J. Devlin	19.74	4,896	248	129	65	60	.520	129	1.89	263	127	9	0	1181.0	1,183	597	7	78		0		34	2.00	0.59	3.37	0.05	5.4	1.6	1.07		4.55	67	2.35	84	9.02	88.9
5	Emmanuel Clase E. Clase	19.38	1,337	69	347	20	22	.476	1	1.82	332	0	0	172	340.2	253	104	14	63	7	280	8	17	8.77	1.66	5.27	0.37	24.8	4.7	0.93	.260	2.75	44	2.36	57	6.68	67.2
6	Laurie Reis L. Reis	19.38	310	16	8	4	4	.500	8	2.00	19	8	1	0	72.0	84	42	1	10		0		3	2.38	1.25	1.90	0.13	6.1	3.2	1.31		5.25	81	2.76	104	10.50	-0.1
7	Ed Walsh E. Walsh	19.09	11,413	598	430	195	126	.607	315	1.82	1,736	250	57	35	2964.1	2,346	873	23	617	52	105		76	5.27	1.87	2.81	0.07	15.2	5.4	1.00	.259	2.65	69	2.02	79	7.12	164.3
8	Perry Werden P. Werden	18.55	575	31	16	12	1	.923	16	1.97	51	12	1	0	141.1	113	61	1	22		0		5	3.25	1.40	2.32	0.06	8.9	3.8	0.96		3.88	67	3.11	121	7.20	-10
9	Addie Joss A. Joss	18.22	8,891	488	286	160	97	.623	260	1.89	920	234	45	5	2327.0	1,888	730	19	364	58	22		28	3.56	1.41	2.53	0.07	10.3	4.1	0.97	.248	2.82	70	2.25	86	7.30	88.8
10	Mike Crudale M. Crudale	18	306	17	71	3	1	.750	1	2.09	60	0	0	0	73.1	55	19	4	32	2	20	3	4	7.36	3.93	1.88	0.49	19.6	10.5	1.19	.245	2.33	51	3.44	82	6.75	6
11	Paul Skenes P. Skenes	17.9	859	48	37	15	9	.625	37	1.93	262	1	0	0	224.0	150	53	15	52	8	0	0	3	10.53	2.09	5.04	0.60	30.5	6.1	0.90	.259	2.13	46	2.45	61	6.03	38.8
12	Ed Conley E. Conley	17.88	304	17	8	4	4	.500	8	2.15	33	8	1	0	71.0	63	47	4	22		0		7	4.18	2.79	1.50	0.51	10.9	7.2	1.20		5.96	75	4.01	123	7.99	-7
13	Jack Pfiester J. Pfiester	17.65	4,236	240	149	71	44	.617	128	2.02	503	75	17	0	1067.1	869	365	6	293	39	12		16	4.24	2.47	1.72	0.05	11.9	6.9	1.09	.254	3.08	77	2.32	86	7.33	44.3
14	John Ward J. Ward	17.65	10,164	576	293	164	103	.614	262	2.10	920	245	24	3	2469.2	2,324	1,185	26	253		32		144	3.35	0.92	3.64	0.09	9.1	2.5	1.04		4.32	82	2.43	96	8.47	9.1
15	Jim St. Vrain J. St. Vrain	17.64	388	22	12	4	6	.400	11	2.08	51	10	1	0	95.0	88	36	0	25	5	1		3	4.83	2.37	2.04	0.00	13.1	6.4	1.19	.287	3.41	78	2.54	91	8.34	2.3
16	Joe Wood J. Wood	17.41	5,640	324	225	117	57	.672	158	2.03	989	121	28	10	1434.1	1,138	497	10	421	49	56		43	6.21	2.64	2.35	0.06	17.5	7.5	1.09	.270	3.12	70	2.26	78	7.14	105.8
17	Félix Bautista F. Bautista	17.15	583	34	143	12	7	.632	0	2.06	226	0	0	60	148.1	81	40	13	65	3	95	1	10	13.71	3.94	3.48	0.79	38.8	11.1	0.98	.246	2.43	52	2.63	66	4.91	23.2
18	Mordecai Brown M. Brown	17.13	12,422	725	481	239	130	.648	332	2.06	1,375	271	55	49	3172.1	2,708	1,044	43	673	61	138		61	3.90	1.91	2.04	0.12	11.1	5.4	1.07	.259	2.96	71	2.42	83	7.68	161.9
19	Cade Smith C. Smith	17.08	410	24	104	8	3	.727	0	2.07	147	0	0	4	104.1	73	26	1	27	5	7	1	1	12.68	2.33	5.44	0.09	35.9	6.6	0.96	.313	2.24	52	1.36	34	6.30	31.3
20	Will White W. White	16.69	14,951	896	403	229	166	.580	402	2.28	1,041	394	36	0	3542.2	3,440	1,844	65	496		1		221	2.64	1.26	2.10	0.17	7.0	3.3	1.11	.254	4.68	83	2.98	108	8.74	-109.3
21	Christy Mathewson C. Mathewson	16.66	18,913	1,135	636	373	188	.665	552	2.13	2,507	435	79	30	4788.2	4,219	1,620	89	848	59	73		115	4.71	1.59	2.96	0.17	13.3	4.5	1.06	.268	3.04	75	2.26	76	7.93	363
22	Erv Lange E. Lange	16.62	781	47	36	12	11	.522	22	2.23	87	10	2	2	190.0	162	69	3	55	3	11		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
23	Carson Smith C. Smith	16.6	415	25	108	4	6	.400	0	2.21	129	0	0	14	102.0	74	27	4	34	7	31	4	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
24	Chick Brandom C. Brandom	16.6	415	25	32	3	1	.750	4	2.08	44	2	0	3	108.0	101	53	0	29	3	20		1	3.67	2.42	1.52	0.00	10.6	7.0	1.20	.298	4.42	74	2.36	87	8.42	3.8
25	Devin Williams D. Williams	16.52	1,057	64	268	29	12	.707	0	2.22	405	0	0	75	259.1	150	81	16	124	14	109	3	15	14.06	4.30	3.27	0.56	38.3	11.7	1.06	.269	2.81	53	2.44	57	5.21	51.9