George Stovall has the most career wRC+ per walk with >5,000 at-bats, with 0.52.

Interpreted as:

highest wrc+/bb by a player with ab>5000 career

	NAME	WRC+/BB	AB	WRC+	BB	G	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	BRAA
1	George Stovall G. Stovall	0.52	5,222	91	174	1,414	547	1,382	231	56	15	564	33	406	142		5,598	1,770	302	169				.265	.293	.339	.632	542	-38.2	.305	-60.8
2	Art Fletcher A. Fletcher	0.49	5,541	99	203	1,533	684	1,534	238	77	32	670	141	355	160		6,039	2,022	347	154				.277	.319	.365	.684	663	18.1	.328	-5.6
3	Heinie Zimmerman H. Zimmerman	0.49	5,304	118	242	1,456	695	1,566	275	105	58	801	38	432	175		5,740	2,225	438	156				.295	.331	.419	.750	752	150.1	.358	123.6
4	Manny Sanguillen M. Sanguillen	0.45	5,062	99	223	1,448	566	1,500	205	57	65	585	23	331	35	38	5,380	2,014	327	28	44	96	144	.296	.326	.398	.724	599	18.4	.321	-3.6
5	Ralph Garr R. Garr	0.43	5,108	106	246	1,317	717	1,562	212	64	75	408	19	445	172	83	5,456	2,127	351	62	21	46	72	.306	.339	.416	.755	679	89.8	.339	35.6
6	Charlie Comiskey C. Comiskey	0.43	5,796	84	197	1,390	992	1,529	207	68	28	690	33	48	416		6,040	1,956	303	5				.264	.293	.337	.630	808	-86	.297	-154.7
7	Shawon Dunston S. Dunston	0.42	5,927	85	203	1,814	736	1,597	292	62	150	668	41	1,000	212	82	6,276	2,463	504	56	49	44	98	.269	.296	.416	.712	667	-76.5	.309	-111.8
8	Deacon White D. White	0.4	5,335	118	292	1,299	849	1,619	217	73	18	352	41		46		5,668	2,036	308					.303	.344	.382	.726	1013	191.9	.339	147.2
9	Mickey Rivers M. Rivers	0.4	5,629	106	266	1,468	785	1,660	247	71	61	499	22	471	267	90	6,027	2,232	379	75	35	20	44	.295	.327	.397	.724	697	35.2	.326	37.7
10	Hal Chase H. Chase	0.39	7,417	109	276	1,919	980	2,158	322	124	57	941	30	660	363		7,939	2,899	503	216				.291	.319	.391	.710	947	128.1	.341	70.6
11	Salvador Perez S. Perez	0.39	6,315	102	263	1,664	693	1,679	313	11	293	982	91	1,271	6	1	6,722	2,893	617	0	53	42	194	.266	.302	.458	.761	833	51.4	.324	20.3
12	Tony Armas T. Armas	0.39	5,164	100	260	1,432	614	1,302	204	39	251	815	15	1,201	18	20	5,502	2,337	494	11	52	37	149	.252	.287	.453	.740	638	21	.324	0.5
13	Danny Murphy D. Murphy	0.37	5,399	124	335	1,496	705	1,563	289	102	44	702	47	328	193		5,978	2,188	435	197				.289	.336	.405	.742	809	178.4	.357	152.3
14	Bill Bradley B. Bradley	0.36	5,430	105	290	1,461	754	1,471	275	84	34	552	73	531	181		6,046	2,016	393	253				.271	.317	.371	.688	735	71.7	.330	46.5
15	Enos Cabell E. Cabell	0.36	5,952	92	259	1,688	753	1,647	263	56	60	596	23	691	238	124	6,304	2,202	379	32	38	31	134	.277	.308	.370	.678	629	-73.8	.304	-57.4
16	John Anderson J. Anderson	0.35	6,345	110	310	1,636	871	1,843	328	124	50	978	53	356	338		6,773	2,569	502	65				.290	.329	.405	.734	939	103.6	.347	79.1
17	Starling Marte S. Marte	0.34	5,652	116	336	1,500	865	1,613	288	55	160	656	165	1,239	359	100	6,200	2,491	503	22	25	18	117	.285	.342	.441	.783	846	121.9	.339	116.6
18	Joe Pepitone J. Pepitone	0.34	5,097	104	302	1,397	606	1,315	158	35	219	721	28	526	41	32	5,476	2,200	412	14	35	73	124	.258	.301	.432	.733	638	64.7	.323	23.4
19	Paul Hines P. Hines	0.34	6,253	125	366	1,481	1,083	1,881	368	84	56	381	36	16	153		6,655	2,585	508					.301	.343	.413	.756	1238	276.6	.350	248.6
20	Mookie Wilson M. Wilson	0.34	5,094	96	282	1,403	731	1,397	227	71	67	438	23	866	327	98	5,441	1,967	365	22	20	36	66	.274	.314	.386	.700	587	-24.8	.312	-22.5
21	Matty Alou M. Alou	0.34	5,789	106	311	1,667	780	1,777	236	50	31	427	36	377	156	80	6,220	2,206	317	55	29	38	101	.307	.345	.381	.726	734	80	.327	38.1
22	Carlos Baerga C. Baerga	0.34	5,439	99	291	1,630	731	1,583	279	17	134	774	73	580	59	24	5,895	2,298	430	26	66	41	158	.291	.332	.423	.754	723	14.7	.331	-11.6
23	Vic Power V. Power	0.34	6,046	94	279	1,627	765	1,716	290	49	126	658	15	247	45	35	6,461	2,482	465	73	48	26	145	.284	.315	.411	.725	738	7.4	.321	-46.1
24	George Bell G. Bell	0.33	6,123	111	331	1,587	814	1,702	308	34	265	1,002	49	771	67	36	6,586	2,873	607	0	83	53	165	.278	.316	.469	.785	869	125.7	.343	86.4
25	Alexei Ramirez A. Ramirez	0.33	5,134	87	263	1,371	601	1,387	249	17	115	590	30	650	143	63	5,505	2,015	381	36	42	18	139	.270	.307	.392	.700	573	-54.4	.306	-87.9