Mark McGwire has the fewest career at-bats per home run with 10+ home runs, with 10.61.

Interpreted as:

fewest ab/hr by a player in a career (min 10 hr)

	NAME	AB/HR	HR	AB	G	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Mark McGwire M. McGwire	10.61	583	6,187	1,874	1,167	1,626	252	6	1,414	1,317	75	1,596	12	8	7,660	3,639	841	3	78	150	147	.263	.394	.588	.982	1480	564.9	.415	157	558.2
2	Aaron Judge A. Judge	11.22	354	3,973	1,106	831	1,162	198	7	807	776	37	1,338	60	19	4,817	2,436	559	0	31	96	112	.292	.410	.613	1.023	1005	429.8	.424	176	433.4
3	Babe Ruth B. Ruth	11.76	714	8,399	2,503	2,174	2,873	506	136	2,214	2,062	43	1,330	123		10,617	5,793	1,356	113				.342	.474	.690	1.164	2727	1,436.8	.513	197	1,369.6
4	Colson Montgomery C. Montgomery	12.4	10	124	36	18	29	4	1	28	10	1	39	0	0	135	65	15	0	0	1	3	.234	.296	.524	.820	19	3.5	.346	121	3.4
5	Nick Kurtz N. Kurtz	12.42	24	298	82	59	91	21	2	65	39	1	105	2	1	341	188	47	0	3	1	4	.305	.384	.631	1.015	71	30.7	.425	177	30.7
6	Ryan Schimpf R. Schimpf	12.74	35	446	147	74	87	19	5	78	71	12	178	1	1	534	221	59	0	5	3	3	.195	.318	.496	.814	74	10.2	.342	114	9
7	Barry Bonds B. Bonds	12.92	762	9,847	2,986	2,227	2,935	601	77	1,996	2,558	106	1,539	514	141	12,606	5,976	1,440	4	91	688	165	.298	.444	.607	1.051	2663	1,143.3	.435	172	1,142
8	Shohei Ohtani S. Ohtani	13.39	268	3,589	981	679	1,011	183	44	647	515	25	1,066	162	43	4,149	2,086	495	0	20	84	46	.282	.374	.581	.955	773	278.6	.396	156	274.8
9	Kyle Schwarber K. Schwarber	13.44	327	4,396	1,252	772	1,018	171	13	753	736	48	1,480	37	19	5,205	2,196	511	1	24	46	51	.232	.346	.500	.846	807	185.8	.359	127	166.7
10	Jim Thome J. Thome	13.76	612	8,422	2,543	1,583	2,328	451	26	1,699	1,747	69	2,548	19	20	10,313	4,667	1,089	1	74	173	165	.276	.402	.554	.956	1925	653.9	.406	145	589.5
11	Joey Gallo J. Gallo	13.79	208	2,869	939	463	557	107	10	453	497	32	1,292	33	10	3,403	1,308	325	1	4	20	16	.194	.319	.456	.775	455	47.6	.332	106	28.2
12	Giancarlo Stanton G. Stanton	13.99	441	6,169	1,692	927	1,594	309	11	1,137	792	54	2,014	42	15	7,054	3,248	761	0	39	90	155	.258	.346	.527	.872	1124	306.3	.369	136	300.3
13	Ralph Kiner R. Kiner	14.11	369	5,205	1,472	971	1,451	216	39	1,015	1,011	24	749	22	2	6,256	2,852	624	9	7	1	126	.279	.398	.548	.946	1167	442.7	.427	147	364.2
14	Edwin Ríos E. Ríos	14.14	21	297	135	43	60	10	1	45	31	6	113	0	1	335	135	32	0	1	1	8	.202	.290	.455	.744	41	0.5	.317	101	0.3
15	Pete Alonso P. Alonso	14.18	254	3,601	969	556	905	173	8	686	408	98	942	18	4	4,139	1,856	435	0	32	46	104	.251	.341	.515	.856	652	154.7	.360	133	166.5
16	Harmon Killebrew H. Killebrew	14.22	573	8,147	2,435	1,283	2,086	290	24	1,584	1,559	48	1,699	19	18	9,831	4,143	887	0	77	160	243	.256	.376	.509	.884	1630	569	.389	142	477.8
17	Yordan Alvarez Y. Alvarez	14.31	167	2,390	658	419	704	152	6	484	334	40	554	9	1	2,789	1,369	325	0	25	40	59	.295	.387	.573	.959	532	198.7	.401	162	204.6
18	Sammy Sosa S. Sosa	14.47	609	8,813	2,354	1,475	2,408	379	45	1,667	929	59	2,306	234	107	9,896	4,704	1,033	17	78	154	202	.273	.344	.534	.878	1559	345.1	.370	124	307.3
19	Cal Raleigh C. Raleigh	14.53	139	2,020	585	284	455	89	2	351	242	15	649	21	4	2,293	965	230	0	16	17	27	.225	.311	.478	.788	312	41.4	.335	122	59.6
20	Mike Trout M. Trout	14.67	398	5,840	1,612	1,175	1,726	320	55	1,006	1,046	105	1,607	214	38	7,051	3,350	773	0	60	130	73	.296	.408	.574	.982	1373	553.8	.412	167	555.4
21	Ted Williams T. Williams	14.79	521	7,706	2,292	1,798	2,654	525	71	1,839	2,021	39	709	24	4	9,791	4,884	1,117	5	20	86	197	.344	.482	.634	1.116	2349	1,219.7	.493	188	1,067
22	Manny Ramirez M. Ramirez	14.85	555	8,244	2,302	1,544	2,574	547	20	1,831	1,329	109	1,813	38	33	9,774	4,826	1,122	2	90	216	243	.312	.411	.585	.996	1931	719.5	.418	153	658.7
23	Patrick Wisdom P. Wisdom	14.9	88	1,311	455	192	274	58	3	207	132	21	540	23	8	1,472	602	149	4	4	2	21	.209	.291	.459	.750	184	9.7	.321	104	7.7
24	Adam Dunn A. Dunn	14.9	462	6,883	2,001	1,097	1,631	334	10	1,168	1,317	86	2,379	63	25	8,328	3,371	806	2	40	122	100	.237	.364	.490	.854	1285	297.9	.367	123	240
25	Ryan Howard R. Howard	14.94	382	5,707	1,572	848	1,475	277	21	1,194	709	59	1,843	12	5	6,530	2,940	680	0	55	154	116	.258	.343	.515	.859	976	212.1	.361	121	175.3