most home runs by a single player in a season before all star break

Barry Bonds has launched the most home runs in a season before the All-Star Game, with 39 homers in 2001.

	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
1	Barry Bonds B. Bonds	39	2001	SFG	81	259	66	79	18	0	73	88	6	55	7	1	355	214	57	0	2	20	2	.305	.487	.826	1.314
2	Chris Davis C. Davis	37	2013	BAL	95	343	70	108	27	0	93	38	8	110	0	1	393	246	64	0	4	9	2	.315	.392	.717	1.109
3	Mark McGwire M. McGwire	37	1998	STL	80	268	70	83	12	0	87	88	4	78	0	0	362	206	49	0	2	16	4	.310	.483	.769	1.252
4	Reggie Jackson R. Jackson	37	1969	OAK	91	324	84	93	24	2	79	64	7	79	10	4	397	232	63	1	1	9	6	.287	.414	.716	1.130
5	Luis Gonzalez L. Gonzalez	35	2001	ARI	87	330	75	117	16	4	86	46	9	48	1	1	388	246	55	0	3	9	10	.355	.443	.745	1.189
6	Ken Griffey Jr. K. Griffey Jr.	35	1998	SEA	88	345	76	103	20	3	79	44	4	64	8	1	395	234	58	0	2	9	9	.299	.382	.678	1.061
7	Aaron Judge A. Judge	34	2024	NYY	96	343	73	105	24	1	85	72	6	106	5	0	423	233	59	0	2	6	14	.306	.433	.679	1.112
8	Frank Howard F. Howard	34	1969	WSH	100	368	72	115	12	1	73	58	5	58	0	0	432	231	47	0	1	9	17	.313	.412	.628	1.040
9	Aaron Judge A. Judge	33	2022	NYY	89	338	74	96	14	0	70	44	1	100	8	0	387	209	47	0	4	6	12	.284	.364	.618	.983
10	Shohei Ohtani S. Ohtani	33	2021	LAA	84	301	65	84	19	4	70	38	3	98	12	4	343	210	56	0	1	5	4	.279	.364	.698	1.062
11	Sammy Sosa S. Sosa	33	1998	CHC	83	333	67	108	15	0	81	35	0	80	10	7	372	222	48	0	4	4	9	.324	.384	.667	1.051
12	Ken Griffey Jr. K. Griffey Jr.	33	1994	SEA	87	337	72	111	17	4	69	43	2	53	7	3	383	235	54	0	1	12	8	.329	.407	.697	1.105
13	Matt Williams M. Williams	33	1994	SFG	86	335	54	84	7	3	69	28	2	65	0	0	368	196	43	0	3	6	10	.251	.310	.585	.895
14	Mark McGwire M. McGwire	33	1987	OAK	80	289	59	85	10	3	68	39	4	68	0	0	334	200	46	0	2	2	2	.294	.383	.692	1.075
15	Roger Maris R. Maris	33	1961	NYY	83	301	73	85	9	1	80	51	4	31	0	0	361	195	43	0	5	0	9	.282	.388	.648	1.036
16	Shohei Ohtani S. Ohtani	32	2023	LAA	89	341	63	103	15	6	71	48	1	87	11	4	393	226	53	0	3	4	7	.302	.387	.663	1.050
17	Albert Pujols A. Pujols	32	2009	STL	90	307	73	102	22	1	87	71	3	35	10	3	386	222	55	0	5	32	12	.332	.456	.723	1.179
18	Sammy Sosa S. Sosa	32	1999	CHC	85	336	66	96	14	1	74	35	2	88	4	4	377	208	47	0	4	2	8	.286	.353	.619	.972
19	Frank Thomas F. Thomas	32	1994	CWS	86	303	93	116	27	1	78	84	2	42	0	3	392	241	60	0	3	7	11	.383	.515	.795	1.311
20	Christian Yelich C. Yelich	31	2019	MIL	82	304	66	100	18	2	67	52	6	68	19	2	365	215	51	0	3	15	6	.329	.433	.707	1.140
21	Jose Bautista J. Bautista	31	2011	TOR	84	299	73	100	15	1	65	74	2	54	5	3	376	210	47	0	1	14	5	.334	.468	.702	1.170
22	David Ortiz D. Ortiz	31	2006	BOS	86	327	65	91	15	0	87	58	3	68	0	0	392	199	46	0	4	11	10	.278	.388	.609	.996
23	Jose Canseco J. Canseco	31	1999	TBD	82	315	63	87	14	1	69	41	3	97	2	0	364	196	46	0	5	3	8	.276	.360	.622	.982
24	Mark McGwire M. McGwire	31	1997	OAK	87	299	44	86	19	0	71	50	3	73	1	0	357	198	50	0	5	7	6	.288	.389	.662	1.052
25	Kevin Mitchell K. Mitchell	31	1989	SFG	86	308	58	91	21	4	81	43	1	56	2	1	357	213	56	0	5	17	2	.295	.378	.692	1.070