J.D. Martinez and Scooter Gennett were tied for the most home runs in a game in 2017, with 4 home runs.

Interpreted as:

most hr by a player in a regular-season game in 2017

	NAME	HR	DATE	TM		OPP	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	J.D. Martinez	4	9/4/2017	ARI	@	LAD	5	4	4	0	0	6	0	0	1	0	0	5	16	4	0	0	0	0
2	Scooter Gennett S. Gennett	4	6/6/2017	CIN	vs	STL	5	4	5	0	0	10	0	0	0	0	0	5	17	4	0	0	0	0
3	Hunter Renfroe H. Renfroe	3	9/20/2017	SDP	vs	ARI	5	3	3	0	0	4	0	0	0	0	0	5	12	3	0	0	0	0
4	Kendrys Morales K. Morales	3	8/31/2017	TOR	@	BAL	5	4	4	0	0	7	0	0	0	0	0	5	13	3	0	0	0	1
5	Byron Buxton B. Buxton	3	8/27/2017	MIN	@	TOR	5	4	4	0	0	5	0	0	0	1	0	5	13	3	0	0	0	0
6	Manny Machado M. Machado	3	8/18/2017	BAL	vs	LAA	5	3	3	0	0	7	0	0	0	0	0	5	12	3	0	0	0	0
7	Paul Goldschmidt P. Goldschmidt	3	8/3/2017	ARI	@	CHC	4	4	3	0	0	6	1	0	1	0	0	5	12	3	0	0	0	0
8	Andrew McCutchen A. McCutchen	3	7/30/2017	PIT	@	SDP	3	4	3	0	0	3	2	0	0	0	0	5	12	3	0	0	0	0
9	Nolan Arenado N. Arenado	3	7/19/2017	COL	vs	SDP	6	4	5	0	0	7	0	0	0	0	0	6	14	3	0	0	0	0
10	Corey Seager C. Seager	3	6/20/2017	LAD	vs	NYM	5	3	4	1	0	6	0	0	0	0	0	5	14	4	0	0	0	0
11	Eddie Rosario E. Rosario	3	6/13/2017	MIN	vs	SEA	5	3	4	0	0	5	0	0	0	0	0	5	13	3	0	0	0	0
12	Anthony Rendon A. Rendon	3	4/30/2017	WSH	vs	NYM	6	5	6	1	0	10	0	0	0	0	0	6	16	4	0	0	0	0
13	Matt Kemp M. Kemp	3	4/29/2017	ATL	@	MIL	5	3	3	0	0	5	0	0	1	0	0	5	12	3	0	0	0	0
14	Yoenis Cespedes Y. Cespedes	3	4/11/2017	NYM	@	PHI	6	3	4	1	0	5	0	0	0	0	0	6	14	4	0	0	0	0
15	Joey Gallo J. Gallo	2	9/30/2017	TEX	vs	OAK	2	3	2	0	0	3	2	0	0	0	0	4	8	2	0	0	0	0
16	Ryan Zimmerman R. Zimmerman	2	9/29/2017	WSH	vs	PIT	4	2	4	2	0	4	0	0	0	0	0	4	12	4	0	0	0	0
17	Mike Trout M. Trout	2	9/29/2017	LAA	vs	SEA	3	2	2	0	0	2	1	0	0	0	0	4	8	2	0	0	0	0
18	Giancarlo Stanton G. Stanton	2	9/28/2017	MIA	vs	ATL	4	3	3	0	0	3	1	0	0	0	0	5	9	2	0	0	0	0
19	Carlos Correa C. Correa	2	9/27/2017	HOU	@	TEX	5	2	4	1	0	4	0	0	1	0	0	5	11	3	0	0	0	0
20	Andrew McCutchen A. McCutchen	2	9/26/2017	PIT	vs	BAL	4	4	4	1	0	8	0	0	0	0	0	4	11	3	0	0	0	0
21	Josh Donaldson J. Donaldson	2	9/26/2017	TOR	@	BOS	5	2	3	0	0	2	0	0	1	0	0	5	9	2	0	0	0	0
22	Teoscar Hernández T. Hernández	2	9/26/2017	TOR	@	BOS	5	2	2	0	0	4	0	0	3	0	0	5	8	2	0	0	0	0
23	José Abreu J. Abreu	2	9/26/2017	CWS	vs	LAA	4	2	3	1	0	2	0	0	0	0	0	4	10	3	0	0	0	0
24	Aaron Judge A. Judge	2	9/25/2017	NYY	vs	KCR	4	2	2	0	0	3	1	0	1	0	0	5	8	2	0	0	0	0
25	Mitch Haniger M. Haniger	2	9/25/2017	SEA	@	OAK	4	2	2	0	0	3	0	0	1	0	0	4	8	2	0	0	0	0