Jason Varitek has hit the most career homers on May 20, with 9 homers.

	NAME	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Jason Varitek J. Varitek	9	12	39	13	17	2	1	18	3	2	12	0	0	44	48	12	0	0	1	1	.436	.500	1.231	1.731
2	Harmon Killebrew H. Killebrew	8	16	60	9	16	0	0	14	6	0	18	0	1	67	40	8	0	1	0	0	.267	.328	.667	.995
3	Ken Griffey Jr. K. Griffey Jr.	7	18	64	18	21	3	0	21	10	0	11	0	1	75	45	10	0	1	1	1	.328	.413	.703	1.116
4	Gary Gaetti G. Gaetti	7	16	63	12	20	2	0	16	3	0	11	1	0	66	43	9	0	0	0	2	.317	.348	.683	1.031
5	Jason Bay J. Bay	6	9	36	10	13	0	0	11	4	0	11	1	0	40	31	6	0	0	0	1	.361	.425	.861	1.286
6	Alex Rodriguez A. Rodriguez	6	15	50	14	13	2	0	10	10	1	17	0	0	62	33	8	0	1	1	2	.260	.387	.660	1.047
7	Barry Bonds B. Bonds	6	16	55	15	14	3	0	11	19	1	9	2	3	75	35	9	0	0	3	0	.255	.453	.636	1.090
8	Graig Nettles G. Nettles	6	19	65	9	16	0	1	14	7	0	7	1	0	72	36	7	0	0	1	1	.246	.319	.554	.873
9	Jimmie Foxx J. Foxx	6	14	46	14	21	4	0	18	13	0	8	2		59	43	10	0			1	.457	.576	.935	1.511
10	J.D. Martinez	5	9	36	9	11	1	0	10	3	0	10	0	0	39	27	6	0	0	1	0	.306	.359	.750	1.109
11	Chris Davis C. Davis	5	8	31	9	11	1	0	8	2	0	13	0	0	33	27	6	0	0	1	0	.355	.394	.871	1.265
12	Adam Dunn A. Dunn	5	13	49	9	9	2	0	10	7	0	19	0	1	56	26	7	0	0	0	0	.184	.286	.531	.816
13	Albert Pujols A. Pujols	5	18	56	14	20	7	0	8	11	2	8	0	1	69	42	12	0	0	1	1	.357	.478	.750	1.228
14	Raul Ibanez R. Ibanez	5	12	39	11	11	2	0	8	5	0	10	0	0	44	28	7	0	0	1	1	.282	.364	.718	1.082
15	Fred McGriff F. McGriff	5	16	59	12	19	2	0	13	8	1	17	0	0	69	36	7	0	1	2	4	.322	.406	.610	1.016
16	Jim Rice J. Rice	5	15	59	9	16	2	0	16	4	0	12	0	0	64	33	7	0	1	0	4	.271	.313	.559	.872
17	Mike Schmidt M. Schmidt	5	13	52	7	15	1	0	9	5	0	17	1	0	57	31	6	0	0	1	0	.288	.351	.596	.947
18	Darrell Evans D. Evans	5	18	58	16	22	4	1	12	10	0	10	1	0	70	43	10	2	0	2	0	.379	.471	.741	1.212
19	Frank Robinson F. Robinson	5	18	65	13	20	3	1	15	8	2	12	0	0	76	40	9	0	1	2	0	.308	.395	.615	1.010
20	Ernie Banks E. Banks	5	13	51	11	15	4	0	10	6	0	6	0	0	57	34	9	0	0	0	4	.294	.368	.667	1.035
21	Matt Olson M. Olson	4	8	30	5	10	3	0	6	5	1	9	0	0	36	25	7	0	0	0	1	.333	.444	.833	1.278
22	Kyle Schwarber K. Schwarber	4	6	23	8	8	2	1	8	3	0	9	0	0	26	24	7	0	0	0	0	.348	.423	1.043	1.467
23	Marcell Ozuna M. Ozuna	4	11	44	8	14	1	0	7	3	1	11	0	0	48	27	5	0	0	0	0	.318	.375	.614	.989
24	Justin Upton J. Upton	4	14	51	9	12	0	1	13	5	0	21	2	0	58	26	5	0	2	1	0	.235	.293	.510	.803
25	Jose Bautista J. Bautista	4	11	36	9	12	1	0	10	6	0	8	1	0	42	25	5	0	0	1	1	.333	.429	.694	1.123