highest average in a season by first baseman

George Sisler has the highest batting average by a first baseman in a season, with an average of .420 in 1922.

Interpreted as:

highest average with a minimum of 3.1 PA per team game in a season by first baseman

	NAME	AVG	SEASON	TM	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	George Sisler G. Sisler	.420	1922	SLA	142	586	134	246	42	18	8	105	49	3	14	51	19	654	348	68	16				.467	.594	1.061	152	70.1	.481	170	61.2
2	George Sisler G. Sisler	.407	1920	SLA	154	631	137	257	49	18	19	122	46	2	19	42	17	692	399	86	13				.449	.632	1.082	161	82.5	.494	176	68.6
3	Bill Terry B. Terry	.401	1930	NYG	154	633	139	254	39	15	23	129	57	1	33	8		710	392	77	19				.452	.619	1.071	171	71.2	.468	156	62.1
4	Cap Anson C. Anson	.399	1881	CWS	84	343	67	137	21	7	1	82	26		4			369	175	29						.510		91	40.8	.436	173	37.5
5	Rod Carew R. Carew	.388	1977	MIN	155	616	128	239	38	16	14	100	69	3	55	23	13	694	351	68	1	5	15	6	.449	.570	1.019	145	64.4	.440	175	61.4
6	Deacon White D. White	.387	1877	BOS	59	266	51	103	14	11	2	49	8		3			274	145	27						.545		70	30.1	.429	170	29.1
7	Lou Gehrig L. Gehrig	.379	1930	NYY	154	581	143	220	42	17	41	173	101	3	63	12	14	703	419	100	18				.473	.721	1.194	193	94.5	.507	198	98.3
8	Dan Brouthers D. Brouthers	.374	1883	BUF	98	425	85	159	41	17	3	97	16		17			441	243	61						.572		117	50.2	.426	161	43.7
9	Lou Gehrig L. Gehrig	.374	1928	NYY	154	562	139	210	47	13	27	147	95	4	69	4	11	677	364	87	16				.467	.648	1.115	165	82.1	.496	192	80.9
10	Lou Gehrig L. Gehrig	.373	1927	NYY	155	584	149	218	52	18	47	173	109	3	84	10	8	717	447	117	21				.474	.765	1.240	199	110.9	.540	209	105.6
11	Dan Brouthers D. Brouthers	.373	1889	BSN	126	485	105	181	26	9	7	118	66	14	6	22		565	246	42					.462	.507	.969	146	59	.460	153	48.9
12	Todd Helton T. Helton	.372	2000	COL	160	580	138	216	59	2	42	147	103	4	61	5	3	697	405	103	0	10	22	12	.463	.698	1.162	174	82.4	.476	161	58
13	Bill Terry B. Terry	.372	1929	NYG	150	607	103	226	39	5	14	117	48	0	35	10		673	317	58	18				.418	.522	.941	130	41.1	.425	133	33
14	Tommy Tucker T. Tucker	.372	1889	BAL	134	527	103	196	22	11	5	99	42	33	26	63		602	255	38					.450	.484	.934	149	56.2	.446	158	55.3
15	Roger Connor R. Connor	.371	1885	NYG	110	455	102	169	23	15	1	65	51		8			506	225	39						.495		125	54.3	.430	175	53.6
16	George Sisler G. Sisler	.371	1921	SLA	138	582	125	216	38	18	12	104	34	5	27	35	11	635	326	68	14				.411	.560	.971	125	46	.437	140	35.3
17	Cap Anson C. Anson	.371	1886	CWS	125	504	117	187	35	11	10	147	55		19	29		559	274	56						.544		146	64.6	.451	164	54.6
18	Jim Bottomley J. Bottomley	.371	1923	SLN	134	523	79	194	34	14	8	94	45	4	44	4	6	587	280	56	15				.425	.535	.960	116	43.6	.440	154	41.1
19	Dave Orr D. Orr	.371	1890	BKP	107	464	89	172	32	13	6	124	30	4	11	10		498	248	51					.414	.534	.948	120	43.8	.443	135	30.5
20	Andres Galarraga A. Galarraga	.370	1993	COL	120	470	71	174	35	4	22	98	24	6	73	2	4	506	283	61	0	6	12	9	.403	.602	1.005	102	41.8	.429	150	31.3
21	Dan Brouthers D. Brouthers	.370	1886	DET	121	489	139	181	40	15	11	72	66		16	21		555	284	66						.581		153	72.2	.469	180	68
22	Lew Fonseca L. Fonseca	.369	1929	CLE	148	566	97	209	44	15	6	103	50	7	23	19	11	643	301	65	20				.427	.532	.959	128	43.3	.432	144	38.2
23	Jack Doyle J. Doyle	.368	1894	NYG	107	427	94	157	30	8	3	103	37	3	3	44		471	212	41	4				.422	.496	.918	106	21.3	.424	122	19.2
24	Dan Brouthers D. Brouthers	.368	1882	BUF	84	351	71	129	23	11	6	63	21		7			372	192	40						.547		95	42.4	.424	171	38.8
25	Jeff Bagwell J. Bagwell	.368	1994	HOU	110	400	104	147	32	2	39	116	65	4	65	15	4	479	300	73	0	10	14	12	.451	.750	1.201	123	62.6	.488	206	65.2