8 players were tied for the most triples in a game in 2021, with 2 triples. The first three are Bryan Reynolds and Brett Phillips on September 29, 2021 and Shohei Ohtani on September 25, 2021.

Interpreted as:

MLB player most triple in a regular-season game 2021

	NAME	3B	DATE	TM		OPP	AB	R	H	2B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	Bryan Reynolds B. Reynolds	2	9/29/2021	PIT	vs	CHC	3	1	2	0	0	1	1	0	0	0	0	4	6	2	0	0	0	0
2	Brett Phillips B. Phillips	2	9/29/2021	TBR	@	HOU	4	1	2	0	0	1	0	0	0	0	0	4	6	2	0	0	0	1
3	Shohei Ohtani S. Ohtani	2	9/25/2021	LAA	vs	SEA	3	3	2	0	0	3	2	0	1	0	0	5	6	2	0	0	0	0
4	Steven Duggar S. Duggar	2	9/7/2021	SFG	@	COL	5	1	3	1	0	3	0	0	2	0	0	5	8	3	0	0	0	0
5	Edmundo Sosa E. Sosa	2	8/28/2021	STL	@	PIT	6	3	4	0	0	5	0	0	0	0	0	6	8	2	0	0	0	0
6	Brandon Marsh B. Marsh	2	8/19/2021	LAA	@	DET	5	2	3	0	0	3	1	0	1	0	0	6	7	2	0	0	0	0
7	Victor Reyes V. Reyes	2	8/5/2021	DET	vs	BOS	4	1	2	0	0	3	0	0	1	0	0	4	6	2	0	0	0	0
8	Luis Arraez L. Arraez	2	6/25/2021	MIN	vs	CLE	4	2	3	1	0	3	0	0	0	0	0	4	8	3	0	0	0	0
9	Eddy Alvarez E. Alvarez	1	10/3/2021	MIA	vs	PHI	4	1	2	0	0	1	0	0	1	1	0	4	4	1	0	0	0	0
10	Brendan Rodgers B. Rodgers	1	10/3/2021	COL	@	ARI	4	0	2	0	0	1	0	0	2	0	0	4	4	1	0	0	0	0
11	Harold Castro H. Castro	1	10/3/2021	DET	@	CWS	4	1	2	0	0	1	0	0	0	1	0	5	4	1	0	1	0	0
12	Willi Castro W. Castro	1	10/3/2021	DET	@	CWS	4	1	3	0	0	0	0	0	0	1	0	4	5	1	0	0	0	0
13	David Fletcher D. Fletcher	1	10/3/2021	LAA	@	SEA	4	1	2	1	0	2	0	0	0	0	0	4	5	2	0	0	0	0
14	Gio Urshela G. Urshela	1	10/2/2021	NYY	vs	TBR	4	0	1	0	0	1	0	0	1	0	0	4	3	1	0	0	0	0
15	Christian Vázquez C. Vázquez	1	10/2/2021	BOS	@	WSH	4	1	1	0	0	1	0	0	1	0	0	4	3	1	0	0	0	0
16	Wilmer Difo W. Difo	1	10/2/2021	PIT	vs	CIN	1	1	1	0	0	2	0	0	0	0	0	1	3	1	0	0	0	0
17	Bryan Reynolds B. Reynolds	1	10/2/2021	PIT	vs	CIN	5	1	4	1	0	1	0	0	0	0	0	5	7	2	0	0	0	0
18	Francisco Lindor F. Lindor	1	10/2/2021	NYM	@	ATL	5	1	1	0	0	0	0	0	2	0	0	5	3	1	0	0	0	0
19	Kevin Pillar K. Pillar	1	10/2/2021	NYM	@	ATL	2	1	1	0	0	1	0	0	0	0	0	2	3	1	0	0	0	0
20	Tyler O'Neill T. O'Neill	1	10/2/2021	STL	vs	CHC	4	1	2	0	0	1	0	1	1	0	0	5	4	1	0	0	0	0
21	Michael Brantley M. Brantley	1	10/2/2021	HOU	vs	OAK	5	0	2	0	0	2	0	0	1	0	0	5	4	1	0	0	0	0
22	Starling Marte S. Marte	1	10/2/2021	OAK	@	HOU	5	1	3	0	0	1	0	0	0	0	0	5	5	1	0	0	0	0
23	Geraldo Perdomo G. Perdomo	1	10/2/2021	ARI	vs	COL	4	2	1	0	0	0	1	0	0	0	0	5	3	1	0	0	1	0
24	Cole Tucker C. Tucker	1	10/1/2021	PIT	vs	CIN	5	2	2	0	1	4	0	0	0	0	0	5	7	2	0	0	0	0
25	Jose Barrero J. Barrero	1	10/1/2021	CIN	@	PIT	4	0	1	0	0	1	0	0	2	0	0	4	3	1	0	0	0	0