Emil Verban has the highest career slugging percentage per home run when making 3,000+ plate appearances, with 0.33.

Interpreted as:

highest slg/hr by a player in a career with 3000 or more pa

	NAME	SLG/HR	PA	SLG	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Emil Verban E. Verban	0.33	3,110	.325	1	853	2,911	301	793	99	26	241	108	10	74	21		947	126	81			46	.272	.301	.626	258	-88.9	.296	70	-113.1
2	Duane Kuiper D. Kuiper	0.32	3,754	.316	1	1,057	3,379	329	917	91	29	263	248	28	255	52	71	1,069	121	82	17	27	76	.271	.325	.641	345	-73.2	.294	81	-80.1
3	Davy Force D. Force	0.25	3,081	.249	1	768	2,950	323	623	80	15	31	131			9		736	96					.211			320	-117.7	.232	68	-143.9
4	Johnny Cooney J. Cooney	0.17	3,675	.342	2	1,172	3,372	408	965	130	26	219	208	6	107	30		1,153	158	89			35	.286	.329	.671	374	-76.8	.315	86	-63.7
5	Jimmy Slagle J. Slagle	0.16	5,779	.317	2	1,300	5,005	781	1,343	124	56	344	619	23	421	274		1,585	182	132				.268	.352	.668	712	48.6	.330	102	10.4
6	Frank Taveras F. Taveras	0.16	4,399	.313	2	1,150	4,043	503	1,029	144	44	214	249	24	474	300	106	1,267	190	67	16	9	65	.255	.301	.614	362	-125.9	.282	72	-138.6
7	Al Bridwell A. Bridwell	0.15	4,928	.295	2	1,252	4,169	457	1,064	95	32	350	557	32	210	136		1,229	129	170				.255	.347	.642	532	24.6	.322	95	-29.8
8	Tommy Thevenow T. Thevenow	0.15	4,484	.294	2	1,229	4,164	380	1,030	124	32	456	210	11	222	23		1,224	158	99				.247	.285	.579	303	-266.3	.273	49	-303.6
9	Mike Tresh M. Tresh	0.14	3,637	.283	2	1,027	3,169	326	788	75	14	297	402	12	263	19		897	91	54			79	.249	.335	.619	333	-77.3	.303	76	-107.1
10	Nemo Leibold N. Leibold	0.11	4,863	.327	3	1,268	4,167	638	1,109	145	49	284	571	16	335	136		1,361	197	109				.266	.357	.683	551	13.4	.334	95	-28.8
11	Joe Sugden J. Sugden	0.1	3,077	.303	3	836	2,729	303	696	72	25	283	220	33	165	48		827	100	95				.255	.318	.621	340	-70.6	.304	81	-78.7
12	Bill Bergen B. Bergen	0.1	3,228	.201	2	947	3,028	138	516	45	21	193	88	0	421	23		609	68	112				.170	.194	.395	80	-266.4	.192	22	-287.6
13	Spike Shannon S. Shannon	0.1	3,015	.293	3	694	2,613	383	677	49	15	183	286	22	288	145		765	67	94				.259	.337	.630	320	20.2	.314	98	-5.4
14	Lee Tannehill L. Tannehill	0.09	4,184	.273	3	1,090	3,778	331	833	135	27	346	229	23	375	63		1,031	165	154				.220	.269	.542	311	-126.9	.266	74	-117.7
15	Charley O'Leary C. O'Leary	0.09	3,581	.272	3	955	3,232	317	731	104	18	213	164	32	247	74		880	125	153				.226	.270	.543	263	-105.1	.267	67	-125.9
16	Matty McIntyre M. McIntyre	0.09	4,512	.343	4	1,072	3,958	562	1,066	140	69	319	439	28	423	120		1,356	213	87				.269	.346	.689	552	78	.338	112	53.9
17	Mike Dorgan M. Dorgan	0.08	3,046	.340	4	715	2,924	443	802	112	34	177	118	4		39		994	150					.274	.303	.643	454	14.7	.299	102	7.5
18	Muddy Ruel M. Ruel	0.08	5,292	.332	4	1,468	4,514	494	1,242	187	29	536	606	29	238	61		1,499	220	143				.275	.365	.697	618	-34	.337	89	-78.2
19	Jiggs Donahue J. Donahue	0.08	3,210	.313	4	813	2,862	319	731	90	31	327	215	17	178	143		895	125	116				.255	.311	.624	327	2.3	.306	101	5.6
20	Tom Jones T. Jones	0.08	4,289	.303	4	1,058	3,847	340	964	122	34	336	193	44	204	149		1,166	160	205				.251	.294	.597	391	-37.8	.292	90	-45.1
21	Felix Fermin F. Fermin	0.08	3,072	.303	4	903	2,767	294	718	86	11	207	166	24	147	27	21	838	101	96	19	4	88	.259	.305	.608	250	-105.4	.279	68	-120.2
22	Dick Egan D. Egan	0.08	3,547	.300	4	917	3,080	374	767	87	29	292	291	6	237	167		924	120	170				.249	.315	.615	334	-47.5	.304	82	-74.1
23	Ralph Young R. Young	0.07	4,336	.296	4	1,022	3,643	479	898	108	30	254	495	15	235	92		1,078	142	183				.247	.339	.635	426	-40.9	.314	83	-89.4
24	Ossie Vitt O. Vitt	0.07	4,486	.295	4	1,065	3,760	561	894	106	48	298	455	12	143	114		1,108	158	259				.238	.322	.617	413	-56.2	.305	82	-96
25	Billy Gilbert B. Gilbert	0.07	3,271	.289	4	850	2,816	375	695	72	17	237	270	72	229	167		813	93	113				.247	.328	.617	349	-13.3	.306	87	-54