what date has the most total homeruns all mlb combined last decade

Between the 2010 and 2019 seasons, J.D. Martinez, Scooter Gennett and Josh Hamilton were tied for the most homers in a day, with 4 home runs.

Interpreted as:

What date has the most total homeruns by a player all MLB combined last decade?

	NAME	HR	DAY	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	J.D. Martinez	4	9/4/2017	5	4	4	0	0	6	0	0	1	0	0	5	16	4	0	0	0	0	.800	.800	3.200	4.000
2	Scooter Gennett S. Gennett	4	6/6/2017	5	4	5	0	0	10	0	0	0	0	0	5	17	4	0	0	0	0	1.000	1.000	3.400	4.400
3	Josh Hamilton J. Hamilton	4	5/8/2012	5	4	5	1	0	8	0	0	0	0	0	5	18	5	0	0	0	0	1.000	1.000	3.600	4.600
4	George Springer G. Springer	3	9/22/2019	5	3	3	0	0	4	0	0	0	0	0	5	12	3	0	0	0	0	.600	.600	2.400	3.000
5	AJ Pollock	3	9/6/2019	4	3	3	0	0	3	0	0	0	0	0	4	12	3	0	0	0	0	.750	.750	3.000	3.750
6	Mike Yastrzemski M. Yastrzemski	3	8/16/2019	6	3	3	0	0	4	0	0	1	0	0	6	12	3	0	0	0	0	.500	.500	2.000	2.500
7	Kyle Seager K. Seager	3	8/13/2019	4	3	3	0	0	6	1	0	0	0	0	5	12	3	0	0	0	1	.750	.800	3.000	3.800
8	Gleyber Torres G. Torres	3	8/12/2019	8	4	4	0	0	7	1	0	1	0	0	9	13	3	0	0	1	0	.500	.556	1.625	2.181
9	Aristides Aquino A. Aquino	3	8/10/2019	4	3	3	0	0	3	1	0	1	0	0	5	12	3	0	0	0	0	.750	.800	3.000	3.800
10	Yordan Alvarez Y. Alvarez	3	8/10/2019	5	4	3	0	0	7	1	0	0	0	0	6	12	3	0	0	0	1	.600	.667	2.400	3.067
11	Nelson Cruz N. Cruz	3	8/3/2019	4	3	3	0	0	5	0	0	1	0	0	4	12	3	0	0	0	0	.750	.750	3.000	3.750
12	Mookie Betts M. Betts	3	7/26/2019	5	4	4	1	0	5	0	0	0	0	0	5	14	4	0	0	0	0	.800	.800	2.800	3.600
13	Nelson Cruz N. Cruz	3	7/25/2019	5	3	3	0	0	5	0	0	1	0	0	5	12	3	0	0	0	0	.600	.600	2.400	3.000
14	Paul DeJong P. DeJong	3	7/24/2019	4	4	4	1	0	5	0	1	0	0	0	5	14	4	0	0	0	0	1.000	1.000	3.500	4.500
15	Robinson Cano R. Cano	3	7/23/2019	4	3	4	0	0	5	0	0	0	0	0	4	13	3	0	0	0	0	1.000	1.000	3.250	4.250
16	Brandon Crawford B. Crawford	3	7/15/2019	9	4	6	0	0	9	1	0	1	0	0	10	15	3	0	0	0	0	.667	.700	1.667	2.367
17	Travis d'Arnaud T. d'Arnaud	3	7/15/2019	3	3	3	0	0	5	2	0	0	0	0	5	12	3	0	0	0	0	1.000	1.000	4.000	5.000
18	Josh Bell J. Bell	3	7/1/2019	6	4	4	0	0	7	0	0	0	0	0	6	13	3	0	0	0	0	.667	.667	2.167	2.833
19	Hunter Renfroe H. Renfroe	3	6/14/2019	7	4	4	0	0	5	0	0	0	0	0	7	13	3	0	0	0	0	.571	.571	1.857	2.429
20	Max Kepler M. Kepler	3	6/6/2019	4	3	4	0	0	4	1	0	0	0	0	5	13	3	0	0	0	0	1.000	1.000	3.250	4.250
21	Pedro Severino P. Severino	3	6/4/2019	5	3	3	0	0	4	0	0	1	0	0	5	12	3	0	0	0	0	.600	.600	2.400	3.000
22	Derek Dietrich D. Dietrich	3	5/28/2019	4	3	3	0	0	6	0	0	0	0	0	4	12	3	0	0	0	0	.750	.750	3.000	3.750
23	Kris Bryant K. Bryant	3	5/17/2019	6	3	4	0	0	5	0	0	1	0	0	6	13	3	0	0	0	1	.667	.667	2.167	2.833
24	Gleyber Torres G. Torres	3	5/15/2019	8	3	3	0	0	3	0	0	2	0	0	8	12	3	0	0	0	0	.375	.375	1.500	1.875
25	Justin Turner J. Turner	3	5/7/2019	5	3	4	0	0	6	0	0	1	0	0	5	13	3	0	0	0	0	.800	.800	2.600	3.400