Willie Keeler has the most career singles per at-bat when making 1,000+ plate appearances, with 0.29.

Interpreted as:

most career 1b/ab by a player with at least 1000 pa

	NAME	1B/AB	PA	1B	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Willie Keeler W. Keeler	0.29	9,610	2,513	8,591	2,123	1,719	2,932	241	145	33	810	524	129	136	495		3,562	419	366				.341	.388	.415	.802	1640	406.6	.383	124	330.8
2	Billy Hamilton B. Hamilton	0.28	7,608	1,787	6,283	1,594	1,697	2,164	242	95	40	742	1,189	89	271	914		2,716	377	47				.344	.455	.432	.888	1716	578.6	.433	142	505.5
3	John McGraw J. McGraw	0.28	4,940	1,105	3,924	1,100	1,024	1,309	121	70	13	462	836	134	155	436		1,609	204	46				.334	.466	.410	.876	1083	354	.433	141	309
4	Jesse Burkett J. Burkett	0.27	9,620	2,273	8,426	2,067	1,720	2,850	320	182	75	952	1,029	75	561	389		3,759	577	90				.338	.415	.446	.861	1921	592.9	.411	137	526.7
5	Bill Everitt B. Everitt	0.27	3,124	763	2,842	698	535	902	85	43	11	341	212	15	205	186		1,106	139	55				.317	.368	.389	.757	499	42.8	.364	103	14.2
6	Cal McVey C. McVey	0.27	1,222	321	1,199	265	227	393	52	17	3		23					488	72					.328		.407		234	60.4	.343	131	56.5
7	Ty Cobb T. Cobb	0.27	13,068	3,053	11,434	3,034	2,244	4,189	724	295	117	1,933	1,249	94	681	897		5,854	1,136	291				.366	.433	.512	.945	2534	1,093.6	.445	165	975.1
8	Eddie Collins E. Collins	0.27	12,037	2,643	9,949	2,826	1,821	3,315	438	187	47	1,300	1,499	77	468	741		4,268	672	512				.333	.424	.429	.853	2032	693.4	.409	144	619.7
9	Lloyd Waner L. Waner	0.26	8,326	2,033	7,772	1,993	1,201	2,459	281	118	27	598	420	26	173	67		3,057	426	108			13	.316	.353	.393	.747	1066	31	.346	99	-4.8
10	Patsy Donovan P. Donovan	0.26	8,172	1,957	7,505	1,824	1,321	2,256	208	75	16	738	457	83	312	518		2,662	299	127				.301	.348	.355	.702	1157	-0.8	.340	98	-26.4
11	Harry Taylor H. Taylor	0.26	1,979	457	1,754	438	311	502	30	12	3	176	213	12	64	108		565	45					.286	.367	.322	.689	311	18.8	.346	106	16.8
12	Roy Thomas R. Thomas	0.26	6,575	1,377	5,296	1,470	1,011	1,537	100	53	7	299	1,042	71	521	244		1,764	160	166				.290	.413	.333	.747	1020	272.1	.375	128	230.5
13	Rod Carew R. Carew	0.26	10,550	2,404	9,315	2,469	1,424	3,053	445	112	92	1,015	1,018	25	1,028	353	187	3,998	649	128	64	144	216	.328	.393	.429	.822	1576	435.7	.369	132	379.9
14	Ginger Beaumont G. Beaumont	0.26	6,281	1,456	5,660	1,463	955	1,759	182	82	39	617	425	30	314	254		2,222	303	166				.311	.362	.393	.755	917	209.2	.363	121	159.2
15	Ross Barnes R. Barnes	0.26	1,091	265	1,032	234	239	329	45	17	2		59					414	64					.319		.401		213	58.2	.349	133	54.1
16	George Sisler G. Sisler	0.26	9,013	2,121	8,267	2,055	1,284	2,812	425	164	102	1,178	472	48	327	375		3,871	691	226				.340	.379	.468	.847	1424	363.9	.393	123	244.2
17	Tony Gwynn T. Gwynn	0.26	10,232	2,378	9,288	2,440	1,383	3,141	543	85	135	1,138	790	24	434	319	125	4,259	763	45	85	203	259	.338	.388	.459	.847	1582	379.2	.370	132	390.4
18	Johnny Bassler J. Bassler	0.25	2,858	588	2,319	811	250	704	99	16	1	319	437	10	81	13		838	116	92				.304	.416	.361	.777	425	70.1	.378	110	40.7
19	Richie Ashburn R. Ashburn	0.25	9,736	2,119	8,365	2,189	1,322	2,574	317	109	29	586	1,198	43	571	234	92	3,196	455	112	18	25	83	.308	.396	.382	.778	1374	247.3	.362	115	179.4
20	Pete Browning P. Browning	0.25	5,315	1,220	4,820	1,183	954	1,646	295	85	46	612	466	20	102	258		2,249	426	0				.341	.403	.467	.869	1191	407.6	.407	147	381.3
21	Ichiro Suzuki I. Suzuki	0.25	10,734	2,514	9,934	2,653	1,420	3,089	362	96	117	780	647	55	1,080	509	117	3,994	575	50	48	181	92	.311	.355	.402	.757	1322	46.3	.328	104	61.4
22	Gene DeMontreville G. DeMontreville	0.25	3,932	914	3,615	922	537	1,096	130	35	17	497	174	25	231	228		1,347	182	118				.303	.340	.373	.712	544	5.2	.340	96	-20
23	Bunk Congalton B. Congalton	0.25	1,276	296	1,172	309	117	342	27	13	6	131	57	6	65	32		413	46	41				.292	.328	.352	.680	148	19.3	.332	113	16.2
24	Matty Alou M. Alou	0.25	6,220	1,460	5,789	1,667	780	1,777	236	50	31	427	311	36	377	156	80	2,206	317	55	29	38	101	.307	.345	.381	.726	734	80	.327	106	38.1
25	George Van Haltren G. Van Haltren	0.25	9,017	2,028	8,043	1,990	1,642	2,544	286	161	69	1,015	871	38	385	583		3,359	516	65				.316	.386	.418	.803	1647	328.4	.384	119	259.3