Pee Wee Reese has the best career batting average with 50+ at-bats on September 14, with an average of .439.

Interpreted as:

most ba by a player on september 14, minimum 50 ab

	NAME	AVG	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Pee Wee Reese P. Wee Reese	.439	57	15	13	25	9	0	2	15	8	0	7	1	0	66	40	11	1	0	0	0	.508	.702	1.209
2	Bob Elliott B. Elliott	.415	53	16	4	22	4	0	1	13	7	0	9	2	0	60	29	5	0			0	.483	.547	1.031
3	Bill Terry B. Terry	.415	53	14	9	22	3	2	2	8	5	0	1	0		58	35	7	0				.466	.660	1.126
4	Robin Yount R. Yount	.414	70	17	12	29	4	3	3	13	2	1	11	1	0	75	48	10	1	1	0	0	.432	.686	1.118
5	Stan Hack S. Hack	.411	56	14	9	23	2	0	2	7	9	0	1	1		65	31	4	0			1	.492	.554	1.046
6	Richie Ashburn R. Ashburn	.404	52	13	7	21	1	0	0	8	6	0	5	1	1	59	22	1	1	0	1	0	.466	.423	.889
7	Nap Lajoie N. Lajoie	.404	57	15	10	23	7	2	0		2	3		1		62	34	9	0				.452	.596	1.048
8	Lloyd Waner L. Waner	.397	58	13	4	23	1	2	0	8	1	0	0	1		59	28	3	0			0	.407	.483	.890
9	Joe DiMaggio J. DiMaggio	.396	53	13	11	21	4	1	3	10	4	2	5	1	0	59	36	8	0			0	.458	.679	1.137
10	Jim Bottomley J. Bottomley	.393	56	14	17	22	4	0	1	5	8	0	4	0		65	29	5	1				.469	.518	.987
11	Pete Rose P. Rose	.382	76	18	12	29	2	0	0	4	5	0	5	1	1	81	31	2	0	0	0	3	.420	.408	.828
12	Willie Mays W. Mays	.380	71	17	16	27	3	0	10	20	4	0	8	3	1	75	60	13	0	0	0	1	.413	.845	1.258
13	Ted Williams T. Williams	.380	50	19	11	19	5	1	4	19	7	0	7	0	0	58	38	10	1	0	0	1	.456	.760	1.216
14	Vada Pinson V. Pinson	.375	64	14	14	24	3	1	3	16	5	0	9	3	1	69	38	7	0	0	0	2	.420	.594	1.014
15	Dave Concepcion D. Concepcion	.368	57	15	8	21	2	0	0	2	5	0	4	1	0	62	23	2	0	0	0	1	.419	.404	.823
16	Willie Davis W. Davis	.365	52	13	11	19	5	0	0	4	1	0	9	4	0	53	24	5	0	0	1	2	.377	.462	.839
17	Bill Nicholson B. Nicholson	.364	55	15	10	20	3	0	0	7	6	1	4	0		62	23	3	0			0	.435	.418	.854
18	Tony Gwynn T. Gwynn	.360	50	13	7	18	3	1	0	3	4	0	2	4	1	54	23	4	0	0	2	3	.407	.460	.867
19	Steve Garvey S. Garvey	.360	50	14	7	18	3	0	2	11	2	0	7	1	0	53	27	5	0	1	0	1	.377	.540	.917
20	Luke Appling L. Appling	.360	75	19	11	27	8	2	0	10	5	0	4	2		81	39	10	1			1	.400	.520	.920
21	Jo-Jo Moore J. Moore	.359	64	14	8	23	4	2	0	8	3	0	4	0		67	31	6	0			0	.388	.484	.872
22	Cecil Cooper C. Cooper	.357	56	15	9	20	7	0	0	8	2	0	7	0	0	59	27	7	0	1	1	0	.373	.482	.855
23	Ernie Lombardi E. Lombardi	.357	56	15	9	20	1	0	5	18	1	1	2	1		58	36	6	0			1	.379	.643	1.022
24	Ty Cobb T. Cobb	.353	68	19	12	24	5	1	0		11	1		10		82	31	6	2				.450	.456	.906
25	Cal Ripken Jr. C. Ripken Jr.	.352	71	18	13	25	4	0	4	14	4	1	9	0	0	76	41	8	0	0	0	2	.395	.577	.972