Barry Bonds has the most career home runs per at-bat * plate appearances, with 975.5.

Interpreted as:

most career (hr per ab)*pa by a player

	NAME	(HR/AB)*PA	HR	AB	PA	G	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Barry Bonds B. Bonds	975.5	762	9,847	12,606	2,986	2,227	2,935	601	77	1,996	2,558	106	1,539	514	141	5,976	1,440	4	91	688	165	.298	.444	.607	1.051	2663	1,143.3	.435	172	1,142
2	Babe Ruth B. Ruth	902.55	714	8,399	10,617	2,503	2,174	2,873	506	136	2,214	2,062	43	1,330	123		5,793	1,356	113				.342	.474	.690	1.164	2727	1,436.8	.513	197	1,369.6
3	Hank Aaron H. Aaron	851.24	755	12,364	13,940	3,298	2,174	3,771	624	98	2,297	1,402	32	1,383	240	73	6,856	1,477	21	121	293	328	.305	.374	.555	.928	2453	936.4	.403	153	858.5
4	Alex Rodriguez A. Rodriguez	804.1	696	10,566	12,207	2,784	2,021	3,115	548	31	2,086	1,338	176	2,287	329	76	5,813	1,275	16	111	97	261	.295	.380	.550	.930	2178	690.1	.395	141	629.5
5	Albert Pujols A. Pujols	802.72	703	11,421	13,041	3,080	1,914	3,384	686	16	2,218	1,373	123	1,404	117	43	6,211	1,405	1	123	316	426	.296	.374	.544	.918	2233	685	.385	141	673
6	Willie Mays W. Mays	757.78	660	10,881	12,493	2,992	2,062	3,283	523	140	1,903	1,464	44	1,526	338	103	6,066	1,323	13	91	192	251	.302	.384	.557	.941	2266	894.8	.409	154	802.7
7	Jim Thome J. Thome	749.41	612	8,422	10,313	2,543	1,583	2,328	451	26	1,699	1,747	69	2,548	19	20	4,667	1,089	1	74	173	165	.276	.402	.554	.956	1925	653.9	.406	145	589.5
8	Ken Griffey Jr. K. Griffey Jr.	726.61	630	9,801	11,304	2,671	1,662	2,781	524	38	1,836	1,312	81	1,779	184	69	5,271	1,192	8	102	246	199	.284	.370	.538	.907	1892	521.1	.384	132	453.4
9	Mark McGwire M. McGwire	721.8	583	6,187	7,660	1,874	1,167	1,626	252	6	1,414	1,317	75	1,596	12	8	3,639	841	3	78	150	147	.263	.394	.588	.982	1480	564.9	.415	157	558.2
10	Harmon Killebrew H. Killebrew	691.44	573	8,147	9,831	2,435	1,283	2,086	290	24	1,584	1,559	48	1,699	19	18	4,143	887	0	77	160	243	.256	.376	.509	.884	1630	569	.389	142	477.8
11	Frank Robinson F. Robinson	687.73	586	10,006	11,743	2,808	1,829	2,943	528	72	1,812	1,420	198	1,532	204	77	5,373	1,186	17	102	218	270	.294	.389	.537	.926	2083	807.2	.404	153	717.1
12	Sammy Sosa S. Sosa	683.84	609	8,813	9,896	2,354	1,475	2,408	379	45	1,667	929	59	2,306	234	107	4,704	1,033	17	78	154	202	.273	.344	.534	.878	1559	345.1	.370	124	307.3
13	Ted Williams T. Williams	661.97	521	7,706	9,791	2,292	1,798	2,654	525	71	1,839	2,021	39	709	24	4	4,884	1,117	5	20	86	197	.344	.482	.634	1.116	2349	1,219.7	.493	188	1,067
14	Mike Schmidt M. Schmidt	660.2	548	8,352	10,062	2,404	1,506	2,234	408	59	1,595	1,507	79	1,883	174	92	4,404	1,015	16	108	201	156	.267	.380	.527	.908	1717	591	.395	147	539.8
15	Manny Ramirez M. Ramirez	658	555	8,244	9,774	2,302	1,544	2,574	547	20	1,831	1,329	109	1,813	38	33	4,826	1,122	2	90	216	243	.312	.411	.585	.996	1931	719.5	.418	153	658.7
16	Mickey Mantle M. Mantle	655.54	536	8,102	9,909	2,401	1,676	2,415	344	72	1,509	1,733	13	1,710	153	38	4,511	952	14	47	126	113	.298	.421	.557	.977	1941	840	.428	170	821.8
17	Rafael Palmeiro R. Palmeiro	654.52	569	10,472	12,046	2,831	1,663	3,020	585	38	1,835	1,353	87	1,348	97	40	5,388	1,192	15	119	172	232	.288	.371	.515	.885	1975	522.8	.380	130	453.5
18	Reggie Jackson R. Jackson	651.58	563	9,864	11,416	2,820	1,551	2,584	463	49	1,702	1,375	96	2,597	228	115	4,834	1,075	13	68	164	183	.262	.356	.490	.846	1749	503	.374	139	497.6
19	Frank Thomas F. Thomas	640.15	521	8,199	10,074	2,322	1,494	2,468	495	12	1,704	1,667	87	1,397	32	23	4,550	1,028	0	121	168	226	.301	.419	.555	.974	1954	721.1	.416	154	692
20	Jimmie Foxx J. Foxx	634.84	534	8,134	9,670	2,317	1,751	2,646	458	125	1,922	1,452	13	1,311	87		4,956	1,117	71			69	.325	.428	.609	1.038	2135	934.1	.460	158	780.8
21	David Ortiz D. Ortiz	631.86	541	8,640	10,091	2,408	1,419	2,472	632	19	1,768	1,319	38	1,750	17	9	4,765	1,192	2	92	209	236	.286	.380	.552	.931	1760	559.9	.392	140	484.1
22	Willie McCovey W. McCovey	615.64	521	8,197	9,686	2,588	1,229	2,211	353	46	1,555	1,345	69	1,550	26	22	4,219	920	5	70	260	176	.270	.374	.515	.889	1594	551.5	.388	145	497.9
23	Mel Ott M. Ott	612.65	511	9,456	11,337	2,730	1,859	2,876	488	72	1,860	1,708	64	896	89		5,041	1,071	109			38	.304	.414	.533	.947	2204	826.4	.430	156	794.2
24	Eddie Mathews E. Mathews	605.8	512	8,537	10,101	2,391	1,509	2,315	354	72	1,453	1,444	26	1,487	68	39	4,349	938	36	58	107	123	.271	.376	.509	.885	1685	557.5	.389	143	531.2
25	Gary Sheffield G. Sheffield	604.54	509	9,217	10,947	2,576	1,636	2,689	467	27	1,676	1,475	135	1,171	253	104	4,737	1,003	9	111	130	235	.292	.393	.514	.907	1907	574.5	.391	141	567.2