Jimmy Johnston has the highest batting average when making >25 plate appearances in a week, with an average of .767 the week of June 25, 1923.

Interpreted as:

most ba by a player in one week, all-time, > 25 pa

	NAME	AVG	PA	WEEK	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Jimmy Johnston J. Johnston	.767	35	6/25/1923 - 7/1/1923	7	30	10	23	7	1	2	11	4	0	1	0		38	10	1				.794	1.267	2.061
2	Chick Hafey C. Hafey	.750	29	9/14/1931 - 9/20/1931	8	24	12	18	4	0	3	15	5	0	1	1		31	7	0				.793	1.292	2.085
3	Joe Harris J. Harris	.727	28	5/30/1927 - 6/5/1927	6	22	4	16	2	3	0	12	4	0	1	0		24	5	2				.769	1.091	1.860
4	Terry Moore T. Moore	.696	29	6/16/1947 - 6/22/1947	6	23	10	16	2	0	1	3	5	0	1	0		21	3	1			0	.750	.913	1.663
5	Bob Fothergill B. Fothergill	.696	27	4/25/1927 - 5/1/1927	6	23	6	16	3	0	0	0	4	0	2	2		19	3	0				.741	.826	1.567
6	Rogers Hornsby R. Hornsby	.690	34	7/9/1923 - 7/15/1923	7	29	10	20	6	2	0	13	2	0	3	0		30	8	3				.710	1.034	1.744
7	Mike Trout M. Trout	.684	28	6/11/2018 - 6/17/2018	6	19	8	13	1	0	4	7	7	1	5	0	0	26	5	0	1	4	1	.750	1.368	2.118
8	Sherry Magee S. Magee	.684	29	8/1/1910 - 8/7/1910	7	19	9	13	2	1	1	6	8	1	1	1		20	4	1				.786	1.053	1.838
9	Lance Berkman L. Berkman	.682	27	5/5/2008 - 5/11/2008	6	22	10	15	4	0	2	5	5	0	1	2	0	25	6	0	0	3	0	.741	1.136	1.877
10	Oscar Gamble O. Gamble	.682	29	6/18/1979 - 6/24/1979	8	22	2	15	2	0	2	8	6	0	1	0	1	23	4	0	1	2	0	.724	1.045	1.770
11	Zack Wheat Z. Wheat	.682	28	7/27/1925 - 8/2/1925	6	22	8	15	5	1	0	7	4	0	0	0		22	6	2				.731	1.000	1.731
12	Lefty O'Doul L. O'Doul	.680	26	7/13/1931 - 7/19/1931	6	25	6	17	5	2	0	5	1	0	1	0		26	7	0				.692	1.040	1.732
13	Edgar Renteria E. Renteria	.667	26	5/23/2005 - 5/29/2005	6	24	7	16	1	1	2	6	1	0	1	1	0	25	4	1	0	0	1	.680	1.042	1.722
14	Frank Taveras F. Taveras	.667	26	5/19/1980 - 5/25/1980	6	24	4	16	4	0	0	4	0	0	0	2	3	20	4	2	0	0	0	.667	.833	1.500
15	Pete Rose P. Rose	.667	29	9/10/1979 - 9/16/1979	6	24	3	16	2	1	0	2	5	0	2	0	1	20	3	0	0	2	0	.724	.833	1.557
16	Willie Mays W. Mays	.667	28	5/10/1965 - 5/16/1965	7	24	10	16	5	0	3	7	4	0	2	1	2	30	8	0	0	0	0	.714	1.250	1.964
17	Bob Dillinger B. Dillinger	.667	38	7/18/1949 - 7/24/1949	8	30	6	20	2	1	0	9	7	1	1	0		24	3	0			0	.737	.800	1.537
18	Johnny Mize J. Mize	.667	28	7/4/1949 - 7/10/1949	6	21	9	14	2	0	2	6	7	0	0	0		22	4	0			0	.750	1.048	1.798
19	Heinie Manush H. Manush	.667	31	5/31/1937 - 6/6/1937	7	27	6	18	2	1	0	4	1	1	1	0		22	3	2				.690	.815	1.504
20	Charlie Gehringer C. Gehringer	.667	32	6/4/1934 - 6/10/1934	7	24	10	16	3	0	0	10	7	0	2	3		19	3	1				.742	.792	1.534
21	Joe Cronin J. Cronin	.667	36	6/19/1933 - 6/25/1933	7	33	10	22	8	1	1	15	3	0	1	0		35	10	0				.694	1.061	1.755
22	Braggo Roth B. Roth	.667	26	7/24/1916 - 7/30/1916	6	21	4	14	2	1	0		4	0	1	3		18	3	1				.720	.857	1.577
23	Brooks Robinson B. Robinson	.654	30	8/20/1962 - 8/26/1962	7	26	9	17	3	0	2	7	4	0	1	1	0	26	5	0	0	0	0	.700	1.000	1.700
24	Bengie Molina B. Molina	.652	26	5/19/2008 - 5/25/2008	6	23	5	15	6	0	1	9	1	1	3	0	0	24	7	0	1	0	1	.654	1.043	1.697
25	Brian Giles B. Giles	.652	29	5/20/2002 - 5/26/2002	7	23	11	15	3	1	5	12	5	1	1	1	0	35	9	0	0	1	0	.724	1.522	2.246