most tbf/er in a season by a pitcher with 300 ip

Bob Gibson has the most total batters faced per earned run with 300.0+ innings pitched in a season, with 30.55 in 1968.

Interpreted as:

most tbf/er in a season by a pitcher with 300 or more ip

	NAME	TBF/ER	IP	TBF	ER	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Bob Gibson B. Gibson	30.55	304.2	1,161	38	1968	STL	34	22	9	.710	34	1.12	268	28	13	0	198	49	11	62	7	0	6	4	7.92	1.83	4.32	0.32	23.1	5.3	0.85	.230	1.45	38	1.77	63	5.85	34.8
2	George Bradley G. Bradley	29.09	573.0	2,269	78	1876	STL	64	45	19	.703	64	1.23	103	63	16	0	470	229	3	38		0		34	1.62	0.60	2.71	0.05	4.5	1.7	0.89		3.60	58	2.14	101	7.38	-20.7
3	Walter Johnson W. Johnson	28.89	346.0	1,271	44	1913	WSH	48	36	7	.837	36	1.14	243	29	11	2	232	56	9	38	9	10		2	6.32	0.99	6.39	0.23	19.1	3.0	0.78	.229	1.46	39	1.90	63	6.03	42.3
4	Addie Joss A. Joss	28.79	325.0	1,209	42	1908	CLE	42	24	11	.686	35	1.16	130	29	9	2	232	77	2	30	2	6		6	3.60	0.83	4.33	0.06	10.8	2.5	0.81	.220	2.13	49	1.68	76	6.42	19.3
5	Grover Alexander G. Alexander	28.14	376.1	1,435	51	1915	PHN	49	31	10	.756	42	1.22	241	36	12	3	253	86	3	64	10	7		2	5.76	1.53	3.77	0.07	16.8	4.5	0.84	.224	2.06	43	1.82	63	6.05	44.1
6	Walter Johnson W. Johnson	27.41	326.0	1,261	46	1918	WSH	39	23	13	.639	29	1.27	162	29	8	3	241	71	2	70	8	10		8	4.47	1.93	2.31	0.06	12.8	5.6	0.95	.235	1.96	47	2.04	74	6.65	25.9
7	Christy Mathewson C. Mathewson	26.96	338.2	1,294	48	1905	NYG	43	31	9	.775	37	1.28	206	32	8	3	252	85	4	64	1	6		6	5.47	1.70	3.22	0.11	15.9	4.9	0.93	.243	2.26	42	2.03	69	6.70	34.9
8	Jack Taylor J. Taylor	26.63	333.2	1,278	48	1902	CHO	37	23	11	.676	34	1.29	88	34	8	1	273	86	2	45	12	3		10	2.37	1.21	1.96	0.05	6.9	3.5	0.95	.240	2.32	49	2.73	98	7.36	0.6
9	Jack Coombs J. Coombs	26.53	353.0	1,353	51	1910	PHA	45	31	9	.775	38	1.30	224	35	13	1	248	74	0	115	7	6		10	5.71	2.93	1.95	0.00	16.6	8.5	1.03	.246	1.89	53	2.09	83	6.32	15.8
10	Ed Walsh E. Walsh	26.13	369.2	1,359	52	1910	CWS	45	18	20	.474	36	1.27	258	33	7	5	242	87	5	61	4	7		6	6.28	1.49	4.23	0.12	19.0	4.5	0.82	.230	2.12	52	1.63	66	5.89	34.8
11	Old Hoss Radbourn O. Hoss Radbourn	25.69	678.2	2,672	104	1884	PRO	75	59	12	.831	73	1.38	441	73	11	2	528	216	18	98		2		34	5.85	1.30	4.50	0.24	16.5	3.7	0.92		2.86	48	2.75	84	7.00	31.9
12	Mordecai Brown M. Brown	25.6	342.2	1,280	50	1909	CHC	50	27	9	.750	34	1.31	172	32	8	7	246	78	1	53	7	15		9	4.52	1.39	3.25	0.03	13.4	4.1	0.87	.234	2.05	51	1.78	68	6.46	32.4
13	Walter Johnson W. Johnson	24.79	369.0	1,413	57	1912	WSH	50	33	12	.733	37	1.39	303	34	7	2	259	89	2	76	16	13		11	7.39	1.85	3.99	0.05	21.4	5.4	0.91	.253	2.17	42	2.03	63	6.32	49.6
14	Walter Johnson W. Johnson	24.41	370.0	1,367	56	1910	WSH	45	25	17	.595	42	1.36	313	38	8	1	262	92	1	76	13	3		21	7.61	1.85	4.12	0.02	22.9	5.6	0.91	.271	2.24	56	1.39	56	6.37	45.2
15	John Ward J. Ward	24.38	334.0	1,365	56	1878	PRO	37	22	13	.629	37	1.51	116	37	6	0	308	151	3	34		0		26	3.13	0.92	3.41	0.08	8.5	2.5	1.02		4.07	68	2.26	101	8.30	-4.4
16	Will White W. White	24.09	480.0	1,975	82	1882	CIN	54	40	12	.769	54	1.54	122	52	8	0	411	164	3	71		0		19	2.29	1.33	1.72	0.06	6.2	3.6	1.00		3.08	57	2.78	99	7.71	1.7
17	Ed Walsh E. Walsh	24.04	464.0	1,755	73	1908	CWS	66	40	15	.727	49	1.42	269	42	11	6	343	111	2	56	9	16		10	5.22	1.09	4.80	0.04	15.3	3.2	0.86	.240	2.15	63	1.42	67	6.65	34.2
18	Jim Devlin J. Devlin	23.78	622.0	2,568	108	1876	LOU	68	30	35	.462	68	1.56	122	66	5	0	566	309	3	37		0		14	1.77	0.54	3.30	0.04	4.8	1.4	0.97		4.47	62	2.08	82	8.19	50.7
19	Christy Mathewson C. Mathewson	23.69	390.2	1,469	62	1908	NYG	56	37	11	.771	44	1.43	259	34	11	5	281	85	5	42	3	9		2	5.97	0.97	6.17	0.12	17.6	2.9	0.83	.238	1.96	61	1.29	52	6.47	52.4
20	Rube Waddell R. Waddell	23.28	328.2	1,257	54	1905	PHA	46	27	10	.730	34	1.48	287	27	7	0	231	86	5	90	10	11		10	7.86	2.46	3.19	0.14	22.8	7.2	0.98	.261	2.35	55	1.89	69	6.33	31.2
21	Mordecai Brown M. Brown	22.61	312.1	1,153	51	1908	CHC	44	29	9	.763	31	1.47	123	27	9	5	214	64	1	49	5	12		6	3.54	1.41	2.51	0.03	10.7	4.2	0.84	.218	1.84	63	1.87	75	6.17	21.5
22	Tim Keefe T. Keefe	22.53	400.0	1,577	70	1885	NYG	46	32	13	.711	46	1.58	227	45	7	0	300	154	6	102		0		35	5.11	2.30	2.23	0.14	14.4	6.5	1.00		3.47	56	2.71	90	6.75	11.9
23	George McQuillan G. McQuillan	22.41	359.2	1,367	61	1908	PHN	48	23	17	.575	42	1.53	114	32	7	2	263	88	1	91	6	6		5	2.85	2.28	1.25	0.03	8.3	6.7	0.98	.227	2.20	66	2.31	95	6.58	4.5
24	Grover Alexander G. Alexander	22.39	389.0	1,500	67	1916	PHN	48	33	12	.733	45	1.55	167	38	16	3	323	90	6	50	10	3		3	3.86	1.16	3.34	0.14	11.1	3.3	0.96	.250	2.08	58	2.12	79	7.47	25.4
25	Walter Johnson W. Johnson	22.07	336.2	1,280	58	1915	WSH	47	27	13	.675	39	1.55	203	35	7	4	258	83	1	56	19	8		7	5.43	1.50	3.63	0.03	15.9	4.4	0.93	.257	2.22	53	1.91	65	6.90	38.3