least at bats to hit 40 home runs of all-time

Junior Caminero has the fewest career at-bats with 40+ home runs, with 654 at-bats.

Interpreted as:

least at bats by a player to hit 40 or more home runs of all-time

	NAME	AB	HR	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	Junior Caminero J. Caminero	654	41	166	89	168	31	1	109	39	3	146	7	1	703	324	73	0	7	3	30	.257	.299	.495	.794	96	13.1	.336	120	16.9
2	Aristides Aquino A. Aquino	686	41	244	87	145	28	1	108	66	6	255	12	5	762	298	70	0	4	4	7	.211	.285	.434	.719	86	-5.5	.305	85	-13.4
3	Matt Wallner M. Wallner	729	45	245	106	174	42	5	115	92	35	280	6	3	859	361	92	0	3	2	4	.239	.350	.495	.846	137	35.3	.364	136	36.6
4	Tommy Joseph T. Joseph	810	43	249	98	200	42	1	116	55	6	204	2	1	880	373	86	0	9	1	32	.247	.297	.460	.757	106	-0.2	.320	96	-5.2
5	Triston Casas T. Casas	816	45	251	110	197	33	2	120	130	4	253	1	1	952	369	80	0	2	8	20	.241	.348	.452	.800	138	24	.346	117	19
6	Sam Hilliard S. Hilliard	831	44	332	133	181	32	9	107	94	3	321	26	4	936	363	85	4	4	4	8	.218	.298	.437	.735	112	0.3	.314	84	-17.5
7	DJ Stewart	845	42	327	112	179	34	0	118	128	20	271	5	4	1,000	339	76	3	4	2	14	.212	.328	.401	.729	125	3.7	.320	102	2.6
8	Francisco Alvarez F. Alvarez	875	43	281	113	198	34	3	130	88	10	252	3	1	976	367	80	0	3	0	27	.226	.303	.419	.723	116	-0.3	.314	102	2.6
9	Shelley Duncan S. Duncan	885	43	330	117	200	42	0	144	97	7	243	2	3	997	371	85	1	7	4	28	.226	.305	.419	.724	113	-2	.317	98	-2
10	Jon Nunnally J. Nunnally	885	42	364	162	218	47	12	125	146	5	239	19	12	1,048	415	101	6	6	10	11	.246	.354	.469	.823	152	20.6	.357	111	14.1
11	Alex Dickerson A. Dickerson	902	40	339	136	230	49	8	132	81	14	204	7	2	1,001	415	97	0	4	6	26	.255	.325	.460	.785	135	13.7	.333	109	12.5
12	Bobby Estalella B. Estalella	904	48	310	126	195	49	5	147	130	7	290	6	2	1,056	398	102	2	13	11	18	.216	.315	.440	.755	125	-8	.324	87	-16.8
13	Hee-Seop Choi H. Choi	915	40	363	130	220	54	3	120	141	16	262	3	4	1,086	400	97	6	8	8	20	.240	.349	.437	.786	146	13.4	.343	108	10.6
14	Jung Ho Kang J. Ho Kang	917	46	297	120	233	50	3	144	75	32	239	8	5	1,028	427	99	0	4	1	25	.254	.331	.466	.796	141	21.1	.342	116	18.3
15	Jordan Luplow J. Luplow	918	47	361	132	195	40	6	125	126	12	264	13	9	1,060	388	93	0	4	2	29	.212	.314	.423	.737	131	2.5	.318	101	1.7
16	Trayce Thompson T. Thompson	935	45	369	128	198	41	5	126	115	4	346	17	3	1,058	384	91	1	3	2	11	.212	.300	.411	.711	118	-6.3	.309	95	-6.6
17	Tom Murphy T. Murphy	945	49	327	117	226	46	2	128	94	5	339	3	1	1,050	423	97	0	6	3	17	.239	.310	.448	.757	132	4.9	.322	103	3.8
18	Michael Busch M. Busch	950	47	293	137	236	47	5	140	111	13	293	7	1	1,080	434	99	0	6	2	10	.248	.333	.457	.790	153	25.8	.342	122	27.9
19	Michael Toglia M. Toglia	950	42	277	112	192	42	6	108	100	3	367	15	3	1,058	372	90	0	5	4	19	.202	.279	.392	.670	106	-18.6	.291	71	-36.8
20	Jake Rogers J. Rogers	955	44	316	130	191	37	5	124	88	7	342	3	1	1,063	370	86	7	6	1	15	.200	.271	.387	.658	101	-26.8	.285	81	-24.6
21	Mark Vientos M. Vientos	958	44	274	105	229	42	3	128	66	8	291	1	0	1,042	409	89	0	10	0	19	.239	.291	.427	.718	120	-3.6	.309	100	-0.4
22	Bobby Dalbec B. Dalbec	964	47	338	117	214	38	7	143	82	13	390	9	0	1,065	407	92	1	5	1	10	.222	.290	.422	.713	122	-4.9	.307	90	-11.8
23	Billy Bryan B. Bryan	968	41	374	86	209	32	9	125	91	3	283	0	1	1,070	382	82	2	6	13	14	.216	.284	.395	.678	108	-4.9	.299	88	-15.2
24	Lawrence Butler L. Butler	977	42	283	139	237	54	4	114	86	1	284	35	5	1,071	425	100	2	5	0	16	.243	.303	.435	.738	131	5.1	.319	108	9.3
25	Keston Hiura K. Hiura	983	50	302	135	231	45	4	134	78	37	397	20	8	1,105	434	99	2	5	3	22	.235	.314	.442	.755	142	7.3	.323	101	2.1