Mark McGwire launched the most homers in 1999, with 65 home runs.

	NAME	HR	SEASON	TM	G	AB	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	65	1999	STL	153	521	118	145	21	1	147	133	2	141	0	0	661	363	87	0	5	21	12	.278	.424	.697	1.120	150	64.2	.453	169	61.5
2	Sammy Sosa S. Sosa	63	1999	CHC	162	625	114	180	24	2	141	78	3	171	7	8	712	397	89	0	6	8	17	.288	.367	.635	1.002	138	45.2	.414	143	41.3
3	Ken Griffey Jr. K. Griffey Jr.	48	1999	SEA	160	606	123	173	26	3	134	91	7	108	24	7	706	349	77	0	2	17	8	.285	.384	.576	.960	129	37.1	.401	141	38.3
4	Rafael Palmeiro R. Palmeiro	47	1999	TEX	158	565	96	183	30	1	148	97	3	69	2	4	674	356	78	0	9	14	13	.324	.420	.630	1.050	144	55.8	.436	156	50.9
5	Chipper Jones C. Jones	45	1999	ATL	157	567	116	181	41	1	110	126	2	94	25	3	701	359	87	0	6	18	20	.319	.441	.633	1.074	156	64.5	.447	165	61.6
6	Greg Vaughn G. Vaughn	45	1999	CIN	153	550	104	135	20	2	118	85	3	137	15	2	643	294	67	0	5	3	9	.245	.347	.535	.881	102	18.3	.374	116	14
7	Carlos Delgado C. Delgado	44	1999	TOR	152	573	113	156	39	0	134	86	15	141	1	1	681	327	83	0	7	7	11	.272	.377	.571	.948	123	34.5	.399	134	31.3
8	Manny Ramirez M. Ramirez	44	1999	CLE	147	522	131	174	34	3	165	96	13	131	2	4	640	346	81	0	9	9	12	.333	.442	.663	1.105	149	65.7	.459	172	61.8
9	Jeff Bagwell J. Bagwell	42	1999	HOU	162	562	143	171	35	0	126	149	11	127	30	11	729	332	77	0	7	16	18	.304	.454	.591	1.045	159	63.9	.442	166	65.7
10	Shawn Green S. Green	42	1999	TOR	153	614	134	190	45	0	123	66	11	117	20	7	696	361	87	0	5	4	13	.309	.384	.588	.972	133	42.4	.411	142	39.1
11	Vladimir Guerrero V. Guerrero	42	1999	MON	160	610	102	193	37	5	131	55	7	62	14	7	674	366	84	0	2	14	18	.316	.378	.600	.978	127	39.5	.408	139	35.8
12	Alex Rodriguez A. Rodriguez	42	1999	SEA	129	502	110	143	25	0	111	56	5	109	21	7	572	294	67	1	8	2	12	.285	.357	.586	.943	101	27	.395	137	27.9
13	Mike Piazza M. Piazza	40	1999	NYM	141	534	100	162	25	0	124	51	1	70	2	2	593	307	65	0	7	11	27	.303	.361	.575	.936	102	25.1	.390	131	25
14	Brian Giles B. Giles	39	1999	PIT	141	521	109	164	33	3	115	95	3	80	6	2	627	320	75	0	8	7	14	.315	.418	.614	1.032	132	50.1	.433	154	45.9
15	Juan Gonzalez J. Gonzalez	39	1999	TEX	144	562	114	183	36	1	128	51	4	105	3	3	629	338	76	0	12	7	10	.326	.378	.601	.980	119	37.1	.409	139	32.4
16	Jay Bell J. Bell	38	1999	ARI	151	589	132	170	32	6	112	82	4	132	7	4	688	328	76	4	9	2	9	.289	.374	.557	.931	122	32.3	.395	129	26.8
17	Dean Palmer D. Palmer	38	1999	DET	150	560	92	147	25	2	100	57	10	153	3	3	631	290	65	0	4	3	12	.263	.339	.518	.857	96	13.4	.365	112	10.3
18	Matt Stairs M. Stairs	38	1999	OAK	146	531	94	137	26	3	102	89	2	124	2	7	623	283	67	0	1	6	8	.258	.366	.533	.899	104	22.7	.383	127	22.2
19	Albert Belle A. Belle	37	1999	BAL	161	610	108	181	36	1	117	101	7	82	17	3	722	330	74	0	4	15	19	.297	.400	.541	.941	131	37.2	.400	139	37.5
20	Larry Walker L. Walker	37	1999	COL	127	438	108	166	26	4	115	57	12	52	11	4	513	311	67	0	6	8	12	.379	.458	.710	1.168	131	64.1	.485	167	46.6
21	Todd Helton T. Helton	35	1999	COL	159	578	114	185	39	5	113	68	6	77	7	6	656	339	79	0	4	6	14	.320	.395	.587	.981	128	42.4	.415	123	20.1
22	John Jaha J. Jaha	35	1999	OAK	142	457	93	126	23	0	111	101	9	129	2	0	570	254	58	0	3	2	14	.276	.414	.556	.970	112	37.7	.417	149	37.2
23	Ivan Rodriguez I. Rodriguez	35	1999	TEX	144	600	116	199	29	1	113	24	1	64	25	12	630	335	65	0	5	2	31	.332	.356	.558	.914	108	26	.388	125	21.3
24	Matt Williams M. Williams	35	1999	ARI	154	627	98	190	37	2	142	41	2	93	2	0	678	336	74	0	8	9	17	.303	.344	.536	.880	105	16.9	.369	112	11.5
25	Dante Bichette D. Bichette	34	1999	COL	151	593	104	177	38	2	133	54	2	84	6	6	659	321	74	0	10	3	15	.298	.354	.541	.895	108	21.7	.379	99	-0.7