Nathan Eovaldi and Felix Hernandez are tied for winning the most career games on April 1, with 3 wins.

Interpreted as:

most wins by a player in 1 april

	NAME	W	L	W%	G	GS	ERA	SO	CG	SHO	SV	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	Nathan Eovaldi N. Eovaldi	3	0	1.000	3	3	2.25	20	1	1	0	20.0	16	5	5	0	3	0	0	0	76	1	9.00	1.35	6.67	0.00	26.3	3.9	0.95	.302	2.25	7.20
2	Felix Hernandez F. Hernandez	3	0	1.000	4	4	0.93	20	1	0	0	29.0	20	3	6	1	4	1	0	0	111	1	6.21	1.24	5.00	0.31	18.0	3.6	0.83	.224	1.86	6.21
3	Zack Greinke Z. Greinke	2	0	1.000	2	2	1.64	9	0	0	0	11.0	5	2	2	1	2	0	0	0	38	2	7.36	1.64	4.50	0.82	23.7	5.3	0.64	.154	1.64	4.09
4	Clayton Kershaw C. Kershaw	2	1	.667	3	3	2.61	18	1	1	0	20.2	18	6	7	1	1	0	0	0	79	1	7.84	0.44	18.00	0.44	22.8	1.3	0.92	.288	3.05	7.84
5	Joakim Soria J. Soria	2	0	1.000	2	0	0.00	1	0	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
6	Mark Buehrle M. Buehrle	2	0	1.000	2	2	3.75	5	0	0	0	12.0	10	5	5	1	3	0	0	0	48	1	3.75	2.25	1.67	0.75	10.4	6.3	1.08	.231	3.75	7.50
7	Tom Glavine T. Glavine	2	0	1.000	2	2	2.19	9	0	0	0	12.1	11	3	3	1	3	1	0	0	49	0	6.57	2.19	3.00	0.73	18.4	6.1	1.14	.286	2.19	8.03
8	Scott Erickson S. Erickson	2	0	1.000	2	2	0.60	7	1	0	0	15.0	7	1	2	1	6	1	0	0	57	0	4.20	3.60	1.17	0.60	12.3	10.5	0.87	.143	1.20	4.20
9	Joey Hamilton J. Hamilton	2	0	1.000	3	3	6.61	13	0	0	0	16.1	23	12	12	1	12	0	0	1	83	2	7.16	6.61	1.08	0.55	15.7	14.5	2.14	.386	6.61	12.67
10	Ken Hill K. Hill	2	0	1.000	2	2	2.70	14	0	0	0	16.2	14	5	5	1	4	0	0	0	67	0	7.56	2.16	3.50	0.54	20.9	6.0	1.08	.271	2.70	7.56
11	Logan Webb L. Webb	1	0	1.000	1	1	1.29	6	0	0	0	7.0	5	1	1	1	0	0	0	0	23	1	7.71	0.00		1.29	26.1	0.0	0.71	.250	1.29	6.43
12	Shane Baz S. Baz	1	0	1.000	1	1	0.00	10	0	0	0	6.0	7	0	0	0	0	0	0	0	23	0	15.00	0.00		0.00	43.5	0.0	1.17	.538	0.00	10.50
13	Casey Mize C. Mize	1	0	1.000	1	1	0.00	6	0	0	0	5.2	1	0	0	0	3	0	0	0	20	0	9.53	4.76	2.00	0.00	30.0	15.0	0.71	.091	0.00	1.59
14	Louis Varland L. Varland	1	0	1.000	1	0	9.00	2	0	0	0	1.0	1	1	1	1	0	0	0	0	4	0	18.00	0.00		9.00	50.0	0.0	1.00	.000	9.00	9.00
15	Abner Uribe A. Uribe	1	0	1.000	1	0	0.00	1	0	0	0	1.1	0	0	0	0	0	0	0	0	4	0	6.75	0.00		0.00	25.0	0.0	0.00	.000	0.00	0.00
16	Ryan Johnson R. Johnson	1	0	1.000	1	0	0.00	0	0	0	0	1.0	2	0	1	0	1	0	0	1	6	0	0.00	9.00	0.00	0.00	0.0	16.7	3.00	.400	9.00	18.00
17	Tanner Houck T. Houck	1	0	1.000	1	1	0.00	10	0	0	0	6.0	3	0	0	0	0	0	0	0	21	0	15.00	0.00		0.00	47.6	0.0	0.50	.273	0.00	4.50
18	Shelby Miller S. Miller	1	0	1.000	2	0	0.00	0	0	0	0	2.0	0	0	0	0	0	0	1	0	6	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0.00
19	Charlie Morton C. Morton	1	0	1.000	1	1	0.00	6	0	0	0	5.2	3	0	0	0	2	1	0	0	22	0	9.53	3.18	3.00	0.00	27.3	9.1	0.88	.231	0.00	4.76
20	James Paxton J. Paxton	1	0	1.000	1	1	0.00	5	0	0	0	5.0	4	0	0	0	5	0	0	0	23	0	9.00	9.00	1.00	0.00	21.7	21.7	1.80	.308	0.00	7.20
21	Emerson Hancock E. Hancock	1	0	1.000	1	1	5.06	1	0	0	0	5.1	4	3	3	1	1	2	0	0	23	0	1.69	1.69	1.00	1.69	4.3	4.3	0.94	.167	5.06	6.75
22	Jason Foley J. Foley	1	0	1.000	1	0	0.00	2	0	0	0	1.0	1	0	0	0	0	0	0	0	4	0	18.00	0.00		0.00	50.0	0.0	1.00	.500	0.00	9.00
23	Roansy Contreras R. Contreras	1	0	1.000	1	0	9.00	3	0	0	0	2.0	2	2	2	1	1	0	0	0	9	0	13.50	4.50	3.00	4.50	33.3	11.1	1.50	.250	9.00	9.00
24	Shota Imanaga S. Imanaga	1	0	1.000	1	1	0.00	9	0	0	0	6.0	2	0	0	0	0	0	0	0	21	0	13.50	0.00		0.00	42.9	0.0	0.33	.167	0.00	3.00
25	Anthony Banda A. Banda	1	0	1.000	2	0	0.00	2	0	0	0	2.0	2	0	0	0	1	0	0	0	9	0	9.00	4.50	2.00	0.00	22.2	11.1	1.50	.333	0.00	9.00