Al Simmons had the highest batting average in the AL in 1931, with an average of .390.

Interpreted as:

best avg with a minimum of 3.1 PA per team game by a player in the al in 1931

	NAME	AVG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Al Simmons A. Simmons	.390	1931	PHA	128	513	105	200	37	13	22	128	47	3	45	3	3	563	329	72	0	.444	.641	1.085	135	65.1	.484	176	57.9
2	Babe Ruth B. Ruth	.373	1931	NYY	145	534	149	199	31	3	46	162	128	1	51	5	4	663	374	80	0	.495	.700	1.195	181	98.6	.525	206	95.1
3	Ed Morgan E. Morgan	.351	1931	CLE	131	462	87	162	33	4	11	86	83	1	46	4	5	552	236	48	6	.451	.511	.961	114	45.4	.442	148	35.6
4	Mickey Cochrane M. Cochrane	.349	1931	PHA	122	459	87	160	31	6	17	89	56	3	21	2	3	521	254	54	3	.423	.553	.976	107	42.6	.441	151	36
5	Lou Gehrig L. Gehrig	.341	1931	NYY	155	619	163	211	31	15	46	185	117	0	56	17	12	738	410	92	2	.446	.662	1.108	179	87.7	.488	184	83.8
6	Earl Averill E. Averill	.333	1931	CLE	155	627	140	209	36	10	32	143	68	6	38	9	9	701	361	78	0	.404	.576	.979	143	55.9	.439	146	43.5
7	Earl Webb E. Webb	.333	1931	BSA	151	589	96	196	67	3	14	103	70	0	51	2	2	660	311	84	1	.404	.528	.932	125	43.8	.422	142	37.8
8	Sam West S. West	.333	1931	WSH	132	526	77	175	43	13	3	91	30	0	37	6	8	559	253	59	3	.369	.481	.850	90	20.8	.386	121	15.7
9	Goose Goslin G. Goslin	.328	1931	SLA	151	591	114	194	42	10	24	105	80	4	41	9	6	675	328	76	0	.412	.555	.967	136	52	.435	144	40.1
10	John Stone J. Stone	.327	1931	DET	147	584	86	191	28	11	10	78	56	2	48	13	13	647	271	49	5	.388	.464	.852	107	26.9	.391	120	17.1
11	Bill Dickey B. Dickey	.327	1931	NYY	130	477	65	156	17	10	6	78	39	0	20	2	1	523	211	33	7	.378	.442	.820	81	16.1	.378	119	13.3
12	Dale Alexander D. Alexander	.325	1931	DET	135	517	75	168	47	3	3	87	64	2	35	5	8	583	230	53	0	.401	.445	.846	97	25	.393	120	16.1
13	Mule Haas M. Haas	.323	1931	PHA	102	440	82	142	29	7	8	56	30	0	29	0	0	489	209	44	19	.366	.475	.841	78	17	.383	116	10.8
14	Joe Vosmik J. Vosmik	.320	1931	CLE	149	591	80	189	36	14	7	117	38	2	30	7	7	640	274	57	9	.363	.464	.827	98	19.2	.377	109	7.8
15	Earle Combs E. Combs	.318	1931	NYY	138	563	120	179	31	13	5	58	68	3	34	11	3	636	251	49	2	.394	.446	.840	104	25.2	.389	125	21.8
16	Ben Chapman B. Chapman	.315	1931	NYY	149	600	120	189	28	11	17	122	75	5	77	61	23	686	290	56	6	.396	.483	.879	120	34.8	.403	134	31.1
17	Lew Fonseca L. Fonseca	.312	1931	TOT	147	573	86	179	35	6	3	85	40	4	29	7	6	628	235	44	11	.361	.410	.772	87	9.3	.358	104	3.2
18	Red Kress R. Kress	.311	1931	SLA	150	605	87	188	46	8	16	114	46	1	48	3	16	655	298	70	3	.360	.493	.853	106	24.6	.386	115	13
19	Heinie Manush H. Manush	.307	1931	WSH	146	616	110	189	41	11	6	70	36	6	27	3	3	666	270	58	8	.351	.438	.789	94	11.9	.361	106	5.9
20	Ski Melillo S. Melillo	.306	1931	SLA	151	617	88	189	34	11	2	75	37	0	29	7	11	661	251	47	7	.346	.407	.752	86	4	.347	91	-7.7
21	Joe Cronin J. Cronin	.306	1931	WSH	156	611	103	187	44	13	12	126	81	4	52	10	9	700	293	69	4	.391	.480	.870	120	33.1	.398	128	26.8
22	Lu Blue L. Blue	.304	1931	CWS	155	589	119	179	23	15	1	62	127	3	60	13	3	725	235	39	6	.430	.399	.829	122	32.2	.395	127	26.6
23	Fred Schulte F. Schulte	.304	1931	SLA	134	553	100	168	32	7	9	65	56	1	49	6	8	613	241	48	3	.369	.436	.805	92	15.7	.371	106	4.8
24	Joe Sewell J. Sewell	.302	1931	NYY	130	484	102	146	22	1	6	64	61	9	8	1	1	571	188	29	17	.390	.388	.778	84	13.5	.369	114	10.4
25	Bill Sweeney B. Sweeney	.295	1931	BSA	131	498	48	147	30	3	1	58	20	0	30	5	12	528	186	34	10	.322	.373	.696	58	-7.4	.322	83	-12.2