Pitchers had their highest batting average in a season in 1894, with an average of .257.

Interpreted as:

highest pitcher batting average in a regular season

	POSITION	AVG	SEASON	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Pitcher	.257	1894	2,050	6,366	977	1,637	226	118	54	881	466	36	766	103		6,995	2,261	398	127				.311	.355	.667	792	-473.3	.312	60	-534.1
2	Pitcher	.251	1876	550	2,262	270	567	70	16	0		22					2,284	669	86						.296		306	-36.4	.257	87	-46
3	Pitcher	.250	2025	45	4	1	1	0	0	0	1	0	0	1	0	0	4	1	0	0	0	0	0	.250	.250	.500	0	-0.3	.223	35	-0.3
4	Pitcher	.247	1895	2,038	6,115	868	1,510	218	92	31	787	409	53	774	76		6,679	2,005	341	102				.300	.328	.628	730	-375.2	.300	64	-417.7
5	Pitcher	.233	1897	1,911	5,701	676	1,327	147	65	23	593	320	35	755	80		6,157	1,673	235	101				.278	.293	.571	514	-413.8	.276	53	-452.7
6	Pitcher	.230	1896	1,937	5,748	729	1,324	171	87	26	642	366	35	752	90		6,283	1,747	284	134				.281	.304	.584	566	-399.3	.281	56	-442.8
7	Pitcher	.230	1880	788	3,009	355	692	107	21	2		73					3,082	847	130						.281		337	-56.1	.242	83	-68
8	Pitcher	.229	1893	1,965	6,207	815	1,421	173	83	31	744	513	36	776	80		6,756	1,853	287					.292	.299	.590	695	-399.6	.290	61	-444.7
9	Pitcher	.224	1879	725	2,878	364	645	77	24	4		44					2,922	782	105						.272		314	-90.2	.230	77	-95.8
10	Pitcher	.224	1881	710	2,749	291	616	93	20	0		101					2,850	749	113						.272		285	-99.2	.244	71	-115.3
11	Pitcher	.224	1877	340	1,364	174	305	31	18	2		28					1,392	378	51						.277		148	-54.9	.239	71	-60.5
12	Pitcher	.221	1882	1,215	4,631	559	1,023	157	45	16		177					4,808	1,318	218						.285		564	-113.9	.245	81	-130.1
13	Pitcher	.216	1883	1,787	6,824	880	1,476	208	84	18		251					7,075	1,906	310						.279		798	-266.6	.239	73	-299.5
14	Pitcher	.216	1899	2,215	6,525	691	1,411	164	67	15	573	362	45	951	74		7,079	1,754	246	147				.262	.269	.531	504	-474	.260	49	-524.3
15	Pitcher	.216	1900	1,470	4,164	464	900	94	35	14	381	225	28	681	70		4,503	1,106	143	86				.261	.266	.527	319	-295.3	.257	49	-330
16	Pitcher	.216	1930	4,899	7,669	777	1,653	259	63	50	734	429	14	1,650	6		8,460	2,188	372	348				.258	.285	.544	400	-791.6	.251	32	-864.9
17	Pitcher	.213	1924	4,740	7,608	674	1,622	217	55	41	631	395	24	1,397	17		8,388	2,072	313	361				.254	.272	.527	375	-656.8	.250	34	-716.8
18	Pitcher	.212	1887	2,130	7,585	993	1,611	216	94	50	790	528	41		248		8,154	2,165	360					.267	.285	.553	862	-480	.264	62	-528.1
19	Pitcher	.212	1898	2,265	6,819	812	1,443	149	84	25	630	438	46	907	75		7,455	1,835	258	152				.264	.269	.533	573	-399.6	.264	56	-450.2
20	Pitcher	.211	1884	3,283	12,232	1,448	2,585	391	118	40		522					12,779	3,332	549					.245	.272	.517	1481	-383.8	.240	77	-448.1
21	Pitcher	.211	1921	4,392	7,668	689	1,620	232	64	37	634	360	31	1,548	25		8,395	2,091	333	336				.250	.273	.522	350	-697.3	.246	31	-761.4
22	Pitcher	.210	1886	2,349	8,424	1,071	1,768	261	89	35	819	572			226		9,011	2,312	385					.261	.274	.536	1005	-311.7	.258	74	-354.2
23	Pitcher	.207	1878	366	1,398	135	290	36	11	1		46					1,444	351	48						.251		142	-54	.228	72	-57.2
24	Pitcher	.207	1923	4,572	7,580	637	1,568	190	53	28	591	375	33	1,537	17		8,363	1,948	271	375				.247	.257	.504	327	-705.9	.241	30	-769.6
25	Pitcher	.206	1925	4,722	7,588	693	1,561	224	62	51	724	378	28	1,435	21		8,366	2,062	337	372				.246	.272	.518	318	-777.1	.243	27	-848.2