Sammy Sosa hits his 19th home run of June, breaking Rudy York's 1937 MLB record for most in a single month.

	NAME	MONTH	G	HR	AB	R	H	2B	3B	RBI	SH	SF	SB	CS	BB	IBB	HBP	SO	GIDP	PA	TB	XBH	AVG	OBP	SLG	OPS
1	Sammy Sosa	June 1998	27	20	114	25	34	2	0	40	0	1	0	2	6	0	0	27	3	121	96	22	.298	.331	.842	1.173
2	Giancarlo Stanton	August 2017	29	18	109	28	38	6	0	37	0	1	1	0	14	4	3	31	2	127	98	24	.349	.433	.899	1.332
3	Rudy York	August 1937	30	18	113	27	41	5	2	50	0		1		13		0	14		126	104	25	.363	.429	.920	1.349
4	Sammy Sosa	August 2001	29	17	109	31	42	3	3	36	0	2	0	1	16	3	3	24	0	130	102	23	.385	.469	.936	1.405
5	Barry Bonds	May 2001	27	17	84	28	31	5	0	30	0	0	3	1	31	5	2	24	1	117	87	22	.369	.547	1.036	1.583
6	Albert Belle	September 1995	27	17	97	30	30	10	0	32	0	1	2	1	13	1	4	13	5	115	91	27	.309	.409	.938	1.347
7	Willie Mays	August 1965	31	17	113	32	41	3	0	29	1	0	1	1	17	3	0	19	1	131	95	20	.363	.446	.841	1.287
8	Rudy York	August 1943	31	17	112	29	40	4	0	43	1		0		21		0	19	2	134	95	21	.357	.459	.848	1.307
9	Babe Ruth	September 1927	27	17	103	29	39	3	1	43	4		3		19		0	15		126	95	21	.379	.475	.922	1.398
10	J.D. Martinez	September 2017	24	16	99	26	40	8	0	36	0	1	1	0	7	1	0	29	7	107	96	24	.404	.439	.970	1.409
11	Edwin Encarnacion	May 2014	30	16	114	26	32	5	1	33	0	0	1	0	16	0	0	16	4	130	87	22	.281	.369	.763	1.132
12	Mark McGwire	July 1999	25	16	88	21	26	2	0	30	0	0	0	0	22	4	0	21	0	110	76	18	.295	.436	.864	1.300
13	Albert Belle	July 1998	26	16	101	24	41	6	0	32	0	0	0	0	9	2	0	13	1	110	95	22	.406	.455	.941	1.395
14	Mark McGwire	May 1998	26	16	86	25	28	2	0	32	0	0	0	0	33	5	0	27	0	119	78	18	.326	.513	.907	1.420
15	Mickey Mantle	May 1956	31	16	116	35	48	6	0	35	0	1	4	0	23	2	0	15	0	140	102	22	.414	.507	.879	1.386
16	Ralph Kiner	September 1949	27	16	92	28	30	4	1	32	0		2		28		0	10	4	120	84	21	.326	.483	.913	1.396
17	Hank Greenberg	September 1946	27	16	94	26	30	4	0	39	0		0		21		0	18	3	115	82	20	.319	.443	.872	1.316
18	Aaron Judge	September 2017	27	15	90	29	28	7	0	32	0	3	2	0	28	1	0	32	1	121	80	22	.311	.463	.889	1.352
19	Troy Tulowitzki	September 2010	28	15	115	30	37	6	2	40	0	0	2	0	9	1	1	19	3	125	92	23	.322	.376	.800	1.176
20	Jim Thome	June 2004	27	15	98	25	30	5	0	31	0	1	0	0	21	6	1	25	1	121	80	20	.306	.430	.816	1.246
21	Alex Rodriguez	August 2003	29	15	106	30	36	5	2	31	0	1	5	1	21	3	2	17	3	130	90	22	.340	.454	.849	1.303
22	Rafael Palmeiro	August 1999	30	15	110	25	35	4	1	39	0	4	0	0	14	1	0	17	1	128	86	20	.318	.383	.782	1.165
23	Sammy Sosa	August 1999	30	15	109	20	31	2	0	28	0	0	1	3	20	4	1	36	4	130	78	17	.284	.400	.716	1.116
24	Mark McGwire	September 1998	25	15	82	24	27	2	0	28	0	0	0	0	19	1	1	24	1	102	74	17	.329	.461	.902	1.363
25	Mark McGwire	September 1997	26	15	98	21	28	1	0	24	0	1	1	0	20	5	2	36	0	121	74	16	.286	.413	.755	1.168