Top ten in home runs sorted by at bats.

Gee, Mays and Aaron had an advantage with all those at bats.

Rk	Player	AB	HR	From	To	Age	G	PA	R	H	2B	3B	RBI	BB	IBB	SO	HBP	SH	SF	GDP	SB	CS	BA	OBP	SLG	OPS	Pos	Tm
1	Mark McGwire	6187	583	1986	2001	22-37	1874	7660	1167	1626	252	6	1414	1317	150	1596	75	3	78	147	12	8	.263	.394	.588	.982	*3/HD59	OAK-STL
2	Babe Ruth	8399	714	1914	1935	19-40	2504	10622	2174	2873	506	136	2214	2062		1330	43	113		2	123	117	.342	.474	.690	1.164	971/H83	BOS-NYY-BSN
3	Jim Thome	8422	612	1991	2012	20-41	2543	10313	1583	2328	451	26	1699	1747	173	2548	69	1	74	165	19	20	.276	.402	.554	.956	3D5H	CLE-PHI-CHW-LAD-MIN-BAL
4	Sammy Sosa	8813	609	1989	2007	20-38	2354	9896	1475	2408	379	45	1667	929	154	2306	59	17	78	202	234	107	.273	.344	.534	.878	*98D/H7	CHW-CHC-BAL-TEX
5	Ken Griffey	9801	630	1989	2010	19-40	2671	11304	1662	2781	524	38	1836	1312	246	1779	81	8	102	199	184	69	.284	.370	.538	.907	*89DH/73	SEA-CHW-CIN
6	Barry Bonds	9847	762	1986	2007	21-42	2986	12606	2227	2935	601	77	1996	2558	688	1539	106	4	91	165	514	141	.298	.444	.607	1.051	*78H/D9	PIT-SFG
7	Alex Rodriguez	9912	661	1994	2015	18-39	2595	11455	1935	2962	525	30	1987	1256	93	2101	169	16	102	242	322	76	.299	.384	.558	.941	65D/H3	SEA-TEX-NYY
8	Frank Robinson	10006	586	1956	1976	20-40	2808	11742	1829	2943	528	72	1812	1420	218	1532	198	17	102	270	204	77	.294	.389	.537	.926	97D3H8/5	CIN-BAL-LAD-CAL-CLE
9	Willie Mays	10881	660	1951	1973	20-42	2992	12496	2062	3283	523	140	1903	1464	192	1526	44	13	91	251	338	103	.302	.384	.557	.941	*8H/39675	NYG-SFG-NYM
10	Hank Aaron	12364	755	1954	1976	20-42	3298	13941	2174	3771	624	98	2297	1402	293	1383	32	21	121	328	240	73	.305	.374	.555	.928	*9783DH/45	MLN-ATL-MIL

Provided by Baseball-Reference.com: View Play Index Tool Used
Generated 5/8/2015.

Home Run King: Bonds, Aaron, Ruth, Oh? Monday, September 16, 2013

Sadaharu Oh in 1978 by Roger Blevins via Wikimedia Commons