who had the highest batting average at age 31 having at least 100 pa

Casey Stengel has the best career batting average by a 31-year-old player when making 100+ plate appearances, with an average of .402.

	NAME	AVG	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Casey Stengel C. Stengel	.402	144	52	127	29	51	7	5	4	28	9	5	7	2		80	16	3				.461	.630	1.091
2	Bill Terry B. Terry	.401	708	154	633	139	254	39	15	23	131	55	1	33	8		392	77	19				.450	.619	1.069
3	Rod Carew R. Carew	.388	697	156	619	125	240	38	17	14	99	69	3	55	23	14	354	69	1	5	15	6	.448	.572	1.020
4	Ty Cobb T. Cobb	.382	474	111	421	81	161	19	14	3	62	41	2	21	34		217	36	10				.440	.515	.955
5	Harry Heilmann H. Heilmann	.382	654	150	553	111	211	42	11	15	128	75	4	19	9		320	68	22				.459	.579	1.038
6	Showboat Fisher S. Fisher	.374	286	92	254	49	95	18	6	8	61	25	1	21	4		149	32	6				.432	.587	1.019
7	Babe Ruth B. Ruth	.372	652	152	495	139	184	30	5	47	153	144	3	76	11		365	82	10				.516	.737	1.253
8	Kiki Cuyler K. Cuyler	.368	742	158	650	155	239	49	17	16	137	65	11	51	43		370	82	16				.434	.569	1.003
9	Sam Crawford S. Crawford	.365	669	148	591	113	216	34	14	7		63	0		38		299	55	15				.427	.506	.933
10	Chief Meyers C. Meyers	.365	495	142	427	75	156	23	10	6		52	8	31	10		217	39	8				.444	.508	.952
11	Hank Edwards H. Edwards	.364	120	41	110	13	40	11	1	2	21	10	0	14	0		59	14	0			2	.417	.536	.953
12	Larry Walker L. Walker	.363	524	130	454	113	165	46	3	23	67	64	4	61	14	4	286	72	0	2	2	11	.445	.630	1.075
13	Paul Waner P. Waner	.362	677	146	599	122	217	32	16	14	90	68	2	24	8		323	62	8				.429	.539	.968
14	Riggs Stephenson R. Stephenson	.362	582	136	495	91	179	36	6	17	110	67	7	21	10		278	59	13				.445	.562	1.006
15	Charlie Gehringer C. Gehringer	.360	709	153	597	141	215	49	6	11	128	104	3	23	14		309	66	5				.457	.518	.975
16	Jimmie Foxx J. Foxx	.360	565	124	467	130	168	31	10	35	105	91	2	72	4		324	76	5			17	.466	.694	1.160
17	Edd Roush E. Roush	.359	525	121	487	71	175	25	23	3	80	25	0	12	19		255	51	13				.391	.524	.914
18	Paul O'Neill P. O'Neill	.359	443	103	368	68	132	25	1	21	83	72	0	56	5	4	222	47	0	3	13	16	.460	.603	1.064
19	Joe Wood J. Wood	.359	234	67	198	32	71	16	5	4	60	26	0	18	2		109	25	10				.433	.551	.984
20	Charlie Jamieson C. Jamieson	.358	663	143	595	98	213	34	8	3	54	50	2	15	21		272	45	16				.410	.457	.867
21	Rube Bressler R. Bressler	.357	350	86	297	58	106	15	9	1	51	37	3	20	3		142	25	13				.433	.478	.911
22	Rogers Hornsby R. Hornsby	.357	663	150	552	124	197	29	8	25	118	82	3	37	9		317	62	26				.443	.574	1.017
23	Harvey Hendrick H. Hendrick	.354	424	110	384	69	136	25	6	14	82	31	1	20	14		215	45	8				.404	.560	.964
24	Dutch Ruether D. Ruether	.353	115	55	102	18	36	3	2	1	14	10	0	7	0		46	6	3				.411	.451	.862
25	Joe Jackson J. Jackson	.351	314	74	276	42	97	19	8	3		26	2	7	6		141	30	10				.411	.511	.922