Alex Rodriguez and Jim Thome were tied for the most home runs in 2003, with 47 homers.

	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	Alex Rodriguez A. Rodriguez	47	2003	TEX	161	607	124	181	30	6	118	87	15	126	17	3	715	364	83	0	6	10	16	.298	.396	.600	.995	141	53.1	.416	151	46
2	Jim Thome J. Thome	47	2003	PHI	159	578	111	154	30	3	131	111	4	182	0	3	698	331	80	0	5	11	5	.266	.385	.573	.958	129	42.9	.401	145	40.7
3	Barry Bonds B. Bonds	45	2003	SFG	130	390	111	133	22	1	90	148	10	58	7	0	550	292	68	0	2	61	7	.341	.529	.749	1.278	148	80.5	.503	212	79.4
4	Richie Sexson R. Sexson	45	2003	MIL	162	606	97	165	28	2	124	98	9	151	2	3	718	332	75	0	5	7	18	.272	.379	.548	.927	127	39	.393	138	34.9
5	Javy Lopez J. Lopez	43	2003	ATL	129	457	89	150	29	3	109	33	4	90	0	1	495	314	75	0	1	5	10	.328	.378	.687	1.065	108	47.2	.442	170	44.4
6	Albert Pujols A. Pujols	43	2003	STL	157	591	137	212	51	1	124	79	10	65	5	1	685	394	95	0	5	12	13	.359	.439	.667	1.106	160	76.4	.461	184	74.1
7	Carlos Delgado C. Delgado	42	2003	TOR	161	570	117	172	38	1	145	109	19	137	0	0	705	338	81	0	7	23	9	.302	.426	.593	1.019	143	56.5	.423	159	52.1
8	Frank Thomas F. Thomas	42	2003	CWS	153	546	87	146	35	0	105	100	12	115	0	0	662	307	77	0	4	4	11	.267	.390	.562	.952	123	42.2	.404	147	38.9
9	Jason Giambi J. Giambi	41	2003	NYY	156	535	97	134	25	0	107	129	21	140	2	1	690	282	66	0	5	9	9	.250	.412	.527	.939	128	43.1	.402	149	42.1
10	Sammy Sosa S. Sosa	40	2003	CHC	137	517	99	144	22	0	103	62	5	143	0	1	589	286	62	0	5	9	14	.279	.358	.553	.911	99	26.8	.382	131	23.4
11	Jeff Bagwell J. Bagwell	39	2003	HOU	160	605	109	168	28	2	100	88	6	119	11	4	702	317	69	0	3	3	25	.278	.373	.524	.897	119	33.3	.384	131	27.6
12	Jim Edmonds J. Edmonds	39	2003	STL	137	447	89	123	32	2	89	77	4	127	1	3	531	276	73	1	2	6	11	.275	.385	.617	1.002	105	39.9	.417	156	38.1
13	Gary Sheffield G. Sheffield	39	2003	ATL	155	576	126	190	37	2	132	86	8	55	18	4	678	348	78	0	8	6	16	.330	.419	.604	1.023	142	58.5	.431	163	54.6
14	Rafael Palmeiro R. Palmeiro	38	2003	TEX	154	561	92	146	21	2	112	84	5	77	2	0	654	285	61	0	4	9	7	.260	.359	.508	.867	103	22.3	.369	119	15.9
15	Alfonso Soriano A. Soriano	38	2003	NYY	156	682	114	198	36	5	91	38	12	130	35	8	734	358	79	0	2	7	8	.290	.338	.525	.863	113	23.1	.365	124	22.1
16	Manny Ramirez M. Ramirez	37	2003	BOS	154	569	117	185	36	1	104	97	8	94	3	1	679	334	74	0	5	28	22	.325	.427	.587	1.014	136	53	.421	158	49.6
17	Andruw Jones A. Jones	36	2003	ATL	156	595	101	165	28	2	116	53	5	125	4	3	659	305	66	0	6	2	18	.277	.338	.513	.851	100	19	.362	118	15.3
18	Preston Wilson P. Wilson	36	2003	COL	155	600	94	169	43	1	141	54	4	139	14	7	661	322	80	0	3	1	23	.282	.343	.537	.880	107	25.7	.374	111	9.7
19	Bret Boone B. Boone	35	2003	SEA	159	622	111	183	35	5	117	68	7	125	16	3	705	333	75	1	7	3	17	.294	.366	.535	.902	119	32.9	.384	140	35.4
20	Aubrey Huff A. Huff	34	2003	TBD	162	636	91	198	47	3	107	53	8	80	2	3	706	353	84	0	9	17	19	.311	.367	.555	.922	120	33	.384	136	32.1
21	Todd Helton T. Helton	33	2003	COL	160	583	135	209	49	5	117	111	2	72	0	4	703	367	87	0	7	21	19	.358	.458	.630	1.088	160	73.6	.453	163	56.6
22	Vernon Wells V. Wells	33	2003	TOR	161	678	118	215	49	5	117	42	7	80	4	1	735	373	87	0	8	2	21	.317	.359	.550	.909	126	35.5	.385	134	30.9
23	Mike Lowell M. Lowell	32	2003	FLA	130	492	76	136	27	1	105	56	3	78	3	1	557	261	60	0	6	6	14	.276	.350	.530	.881	89	20.2	.371	128	19.8
24	Jeromy Burnitz J. Burnitz	31	2003	TOT	126	464	63	111	22	0	77	35	5	112	5	4	505	226	53	0	1	9	5	.239	.299	.487	.786	63	0.6	.329	101	0.5
25	Jose Guillen J. Guillen	31	2003	TOT	136	485	77	151	28	2	86	24	14	95	1	3	534	276	61	8	3	2	16	.311	.359	.569	.928	95	29.4	.393	139	26.7