highest batting average in a season where they threw below 3 era with more than 30 strikeouts and 30 at bats

Earl Yingling has the highest batting average with more than 30 strikeouts with an ERA better than 3.00 with 30+ at-bats in a season, with an average of .383 in 1913.

Interpreted as:

highest batting average by a player in a season where they threw below 3 era with more than 30 strikeouts and 30 or more at bats

	NAME	AVG	ERA	SO	AB	SEASON	TM	G	W	L	W%	GS	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	Earl Yingling E. Yingling	.383	2.58	40	60	1913	BKN	26	8	8	.500	13	8	2	0	146.2	158	42	56	2	10	2	11		587	4	2.45	0.61	4.00	0.12	6.8	1.7	1.15	.293	3.44	79	2.43	76	9.70	12.5
2	Nels Potter N. Potter	.378	2.86	64	37	1948	TOT	28	8	5	.615	9	3	0	3	113.1	105	36	42	6	17	2	14		456	1	5.08	1.35	3.76	0.48	14.0	3.7	1.08	.270	3.34	72	2.72	68	8.34	15.9
3	Jacob deGrom J. deGrom	.364	1.08	146	33	2021	NYM	15	7	2	.778	15	1	1	0	92.0	40	11	14	6	11	1	0	0	324	0	14.28	1.08	13.27	0.59	45.1	3.4	0.55	.213	1.37	27	1.23	29	3.91	30.6
4	Catfish Hunter C. Hunter	.350	2.96	181	103	1971	OAK	37	21	11	.656	37	16	4	0	273.2	225	90	103	27	80	4	0	7	1,109	2	5.95	2.63	2.26	0.89	16.3	7.2	1.11	.242	3.39	91	3.33	100	7.40	-0.4
5	Doc Crandall D. Crandall	.342	2.56	73	73	1910	NYG	42	17	4	.810	18	13	2	5	207.2	194	59	86	10	43	4	21		835	1	3.16	1.86	1.70	0.43	8.7	5.1	1.14	.261	3.73	85	2.92	99	8.41	0.6
6	Bill Phillips B. Phillips	.342	2.51	85	114	1902	CIN	33	16	16	.500	33	30	0	0	269.0	267	75	121	3	55	9	0		1,096	6	2.84	1.84	1.55	0.10	7.8	5.0	1.20	.280	4.05	83	2.89	91	8.93	11.1
7	Guy Hecker G. Hecker	.341	2.87	133	343	1886	LOU	49	26	23	.531	48	45	2	0	420.2	390	134	273	6	118	10	1		1,815	21	2.85	2.52	1.13	0.13	7.3	6.5	1.21	.248	5.84	83	3.57	104	8.34	-6.7
8	Charlie Ferguson C. Ferguson	.337	3.00	125	264	1887	PHN	37	22	10	.688	33	31	2	1	297.1	297	99	154	13	47	11	4		1,227	5	3.78	1.42	2.66	0.39	10.2	3.8	1.16	.275	4.66	73	3.59	83	8.99	25
9	Jesse Tannehill J. Tannehill	.336	2.88	50	110	1900	PIT	29	20	6	.769	27	23	2	0	234.0	247	75	108	3	43	17	2		973	0	1.92	1.65	1.16	0.12	5.1	4.4	1.24	.284	4.15	79	3.34	91	9.50	8
10	Bob Caruthers B. Caruthers	.334	2.32	166	317	1886	SLA	44	30	14	.682	43	42	2	0	387.1	323	100	164	3	86	7	1		1,581	15	3.86	2.00	1.93	0.07	10.5	5.4	1.06	.243	3.81	66	3.07	87	7.51	22.2
11	Rick Rhoden R. Rhoden	.333	2.72	136	84	1984	PIT	33	14	9	.609	33	6	3	0	238.1	216	72	81	13	62	1	0	0	961	10	5.14	2.34	2.19	0.49	14.2	6.5	1.17	.271	3.06	74	3.12	87	8.16	12.6
12	Johnny Hetki J. Hetki	.333	2.99	41	33	1946	CIN	32	6	6	.500	11	4	0	1	126.1	121	42	44	3	31	1	15		522	1	2.92	2.21	1.32	0.21	7.9	5.9	1.20	.265	3.13	90	2.80	83	8.62	8
13	Jack Sharrott J. Sharrott	.333	2.60	41	30	1891	NYG	10	5	5	.500	9	6	0	0	69.1	47	20	32	2	35	4	1		293	5	5.32	4.54	1.17	0.26	14.0	11.9	1.18	.213	4.15	79	3.41	100	6.10	-0.5
14	Jimmy Callahan J. Callahan	.331	2.42	70	118	1901	CWS	27	15	8	.652	22	20	1	0	215.1	195	58	94	4	50	9	5		875	7	2.93	2.09	1.40	0.17	8.0	5.7	1.14	.257	3.93	70	3.34	96	8.15	1.7
15	Fritz Ostermueller F. Ostermueller	.328	2.84	57	64	1946	PIT	27	13	10	.565	25	16	2	0	193.1	193	61	70	5	56	3	2		810	1	2.65	2.61	1.02	0.23	7.0	6.9	1.29	.273	3.26	80	3.05	84	8.98	12.2
16	Zack Greinke Z. Greinke	.328	2.63	148	58	2013	LAD	28	15	4	.789	28	1	1	0	177.2	152	52	54	13	46	7	0	1	717	5	7.50	2.33	3.22	0.66	20.6	6.4	1.11	.276	2.74	73	3.22	87	7.70	9.9
17	Babe Ruth B. Ruth	.325	2.01	128	123	1917	BSA	41	24	13	.649	38	35	6	2	326.1	244	73	93	2	108	11	3		1,277	5	3.53	2.98	1.19	0.06	10.0	8.5	1.08	.235	2.56	80	2.65	100	6.73	-2
18	Bucky Walters B. Walters	.325	2.29	137	120	1939	CIN	39	27	11	.711	36	31	2	0	319.0	250	81	98	15	109	6	2		1,283	8	3.87	3.08	1.26	0.42	10.7	8.5	1.13	.231	2.76	60	3.81	96	7.05	4.8
19	Al Orth A. Orth	.324	2.61	78	105	1907	NYH	36	14	21	.400	33	21	2	0	248.2	244	72	134	2	53	6	3		1,001	2	2.82	1.92	1.47	0.07	7.8	5.3	1.19	.281	4.85	97	2.37	94	8.83	5.7
20	Urban Shocker U. Shocker	.324	1.81	33	34	1918	SLA	14	6	5	.545	9	7	0	2	94.2	69	19	26	0	40	1	5		377	2	3.14	3.80	0.83	0.00	8.8	10.6	1.15	.228	2.47	65	2.83	99	6.56	0.4
21	Billy Taylor B. Taylor	.323	2.10	284	297	1884	TOT	63	43	16	.729	59	59	3	4	523.0	454	122	215	5	84	12	4		2,195	32	4.89	1.45	3.38	0.09	12.9	3.8	1.03	.248	3.70	66	2.86	98	7.81	5.1
22	Scott Stratton S. Stratton	.323	2.36	207	189	1890	LOU	50	34	14	.708	49	44	4	0	431.0	398	113	186	3	61	13	1		1,749	7	4.32	1.27	3.39	0.06	11.8	3.5	1.06	.270	3.88	64	2.56	73	8.31	41.7
23	Jim Whitney J. Whitney	.323	2.64	180	251	1882	BOS	49	24	21	.533	48	46	3	0	420.0	404	123	229	3	41		1		1,743	29	3.86	0.88	4.39	0.06	10.3	2.4	1.06		4.91	94	2.29	85	8.66	16.5
24	Allen Russell A. Russell	.323	2.24	55	31	1917	NYY	25	7	8	.467	10	6	0	2	104.1	89	26	42	2	39	7	10		423	2	4.74	3.36	1.41	0.17	13.0	9.2	1.23	.272	3.62	83	2.78	99	7.68	0.5
25	Claude Hendrix C. Hendrix	.322	2.59	176	121	1912	PIT	39	24	9	.727	32	25	4	1	288.2	256	83	110	6	105	9	6		1,183	7	5.49	3.27	1.68	0.19	14.9	8.9	1.25	.282	3.43	78	3.09	90	7.98	10.5