41 pitchers are tied for the most saves in a day, with 2 saves. The first three are Kyle Finnegan on September 7, 2024, James McArthur on July 10, 2024 and Paul Sewald on July 13, 2022.

Interpreted as:

most saves by a player in a day

	NAME	SV	DAY	W	L	GS	ERA	SO	CG	SHO	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Kyle Finnegan K. Finnegan	2	9/7/2024	0	0	0	4.50	2	0	0	2.0	3	1	1	0	1	0	2	0	9	0	9.00	4.50	2.00	0.00	22.2	11.1	2.00	.500	4.50	13.50
2	James McArthur J. McArthur	2	7/10/2024	0	0	0	4.50	2	0	0	2.0	3	1	1	1	0	0	2	0	9	0	9.00	0.00		4.50	22.2	0.0	1.50	.333	4.50	13.50
3	Paul Sewald P. Sewald	2	7/13/2022	0	0	0	6.75	3	0	0	1.1	2	1	1	1	0	0	2	0	6	0	20.25	0.00		6.75	50.0	0.0	1.50	.500	6.75	13.50
4	Josh Hader J. Hader	2	5/30/2022	0	0	0	0.00	4	0	0	2.0	1	0	0	0	0	0	2	0	7	0	18.00	0.00		0.00	57.1	0.0	0.50	.333	0.00	4.50
5	Mark Melancon M. Melancon	2	7/21/2021	0	0	0	0.00	4	0	0	2.0	0	0	0	0	1	0	2	0	7	0	18.00	4.50	4.00	0.00	57.1	14.3	0.50	.000	0.00	0.00
6	Liam Hendriks L. Hendriks	2	5/29/2021	0	0	0	0.00	5	0	0	2.0	0	0	0	0	0	0	2	0	6	0	22.50	0.00		0.00	83.3	0.0	0.00	.000	0.00	0.00
7	Ryan Pressly R. Pressly	2	8/29/2020	0	0	0	0.00	4	0	0	2.0	0	0	0	0	0	0	2	0	6	0	18.00	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
8	Daniel Hudson D. Hudson	2	9/24/2019	0	0	0	0.00	0	0	0	2.0	0	0	0	0	0	0	2	0	6	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0.00
9	Sean Doolittle S. Doolittle	2	7/24/2019	0	0	0	0.00	3	0	0	2.0	2	0	0	0	0	0	2	0	8	0	13.50	0.00		0.00	37.5	0.0	1.00	.400	0.00	9.00
10	Aroldis Chapman A. Chapman	2	5/15/2019	0	0	0	0.00	4	0	0	2.0	1	0	0	0	0	0	2	0	7	0	18.00	0.00		0.00	57.1	0.0	0.50	.333	0.00	4.50
11	Felipe Vazquez F. Vazquez	2	7/14/2018	0	0	0	0.00	2	0	0	1.1	1	0	0	0	0	0	2	0	5	0	13.50	0.00		0.00	40.0	0.0	0.75	.333	0.00	6.75
12	Kenley Jansen K. Jansen	2	5/19/2018	0	0	0	0.00	1	0	0	2.0	0	0	0	0	0	0	2	0	6	0	4.50	0.00		0.00	16.7	0.0	0.00	.000	0.00	0.00
13	Felipe Vazquez F. Vazquez	2	4/1/2018	0	0	0	0.00	5	0	0	2.0	1	0	0	0	0	0	2	0	7	0	22.50	0.00		0.00	71.4	0.0	0.50	.500	0.00	4.50
14	Aroldis Chapman A. Chapman	2	8/16/2016	0	0	0	0.00	2	0	0	1.0	1	0	0	0	1	0	2	0	5	1	18.00	9.00	2.00	0.00	40.0	20.0	2.00	.500	0.00	9.00
15	Seunghwan Oh S. Oh	2	7/20/2016	0	0	0	0.00	4	0	0	2.0	0	0	0	0	0	0	2	0	6	0	18.00	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
16	Mark Melancon M. Melancon	2	6/7/2016	0	0	0	0.00	4	0	0	2.0	0	0	0	0	0	0	2	0	6	0	18.00	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
17	Fernando Rodney F. Rodney	2	5/11/2016	0	0	0	0.00	0	0	0	2.0	1	0	0	0	0	0	2	0	7	0	0.00	0.00		0.00	0.0	0.0	0.50	.143	0.00	4.50
18	AJ Ramos	2	10/3/2015	0	0	0	0.00	5	0	0	2.0	2	0	0	0	1	0	2	0	9	0	22.50	4.50	5.00	0.00	55.6	11.1	1.50	.667	0.00	9.00
19	Huston Street H. Street	2	9/19/2015	0	0	0	0.00	1	0	0	1.1	1	0	0	0	0	0	2	0	5	0	6.75	0.00		0.00	20.0	0.0	0.75	.250	0.00	6.75
20	Joe Smith J. Smith	2	7/1/2014	0	0	0	0.00	1	0	0	2.0	0	0	0	0	0	0	2	0	5	0	4.50	0.00		0.00	20.0	0.0	0.00	.000	0.00	0.00
21	Grant Balfour G. Balfour	2	5/1/2014	0	0	0	0.00	3	0	0	2.0	2	0	0	0	1	0	2	0	9	0	13.50	4.50	3.00	0.00	33.3	11.1	1.50	.400	0.00	9.00
22	Greg Holland G. Holland	2	8/16/2013	0	0	0	0.00	2	0	0	2.0	1	0	0	0	1	0	2	0	6	0	9.00	4.50	2.00	0.00	33.3	16.7	1.00	.333	0.00	4.50
23	Jim Henderson J. Henderson	2	7/30/2013	0	0	0	0.00	3	0	0	2.0	1	0	0	0	2	0	2	0	9	0	13.50	9.00	1.50	0.00	33.3	22.2	1.50	.250	0.00	4.50
24	Greg Holland G. Holland	2	4/21/2013	0	0	0	0.00	5	0	0	2.0	0	0	0	0	0	0	2	0	6	0	22.50	0.00		0.00	83.3	0.0	0.00	.000	0.00	0.00
25	Rafael Soriano R. Soriano	2	9/19/2012	0	0	0	0.00	3	0	0	2.1	0	0	0	0	1	0	2	0	8	0	11.57	3.86	3.00	0.00	37.5	12.5	0.43	.000	0.00	0.00