14 pitchers were tied for winning the most games in May 2022, with 4 wins. The first three are Tyler Anderson, Shane McClanahan and Luis García.

	NAME	W	MONTH	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	Tyler Anderson T. Anderson	4	May 2022	0	1.000	5	5	3.09	33	0	0	0	32.0	31	11	11	5	2	0	0	0	128	0	9.28	0.56	16.50	1.41	25.8	1.6	1.03	.295	3.09	8.72
2	Shane McClanahan S. McClanahan	4	May 2022	0	1.000	5	5	1.15	39	0	0	0	31.1	21	4	4	3	5	0	0	0	116	1	11.20	1.44	7.80	0.86	33.6	4.3	0.83	.261	1.15	6.03
3	Luis García L. García	4	May 2022	1	.800	13	0	2.84	13	0	0	0	12.2	13	4	4	0	6	1	3	0	54	1	9.24	4.26	2.17	0.00	24.1	11.1	1.50	.382	2.84	9.24
4	Martín Pérez M. Pérez	4	May 2022	0	1.000	6	6	0.64	33	1	1	0	42.1	29	3	6	0	9	0	0	0	159	2	7.02	1.91	3.67	0.00	20.8	5.7	0.90	.248	1.28	6.17
5	Justin Verlander J. Verlander	4	May 2022	1	.800	5	5	2.27	27	0	0	0	31.2	24	8	8	5	6	1	0	0	122	0	7.67	1.71	4.50	1.42	22.1	4.9	0.95	.229	2.27	6.82
6	Tony Gonsolin T. Gonsolin	4	May 2022	0	1.000	5	5	1.93	31	0	0	0	28.0	14	6	6	3	8	0	0	0	103	0	9.96	2.57	3.88	0.96	30.1	7.8	0.79	.180	1.93	4.50
7	Carlos Carrasco C. Carrasco	4	May 2022	0	1.000	5	5	3.60	23	0	0	0	30.0	34	12	12	1	4	2	0	0	125	1	6.90	1.20	5.75	0.30	18.4	3.2	1.27	.347	3.60	10.20
8	Jameson Taillon J. Taillon	4	May 2022	0	1.000	5	5	2.01	22	0	0	0	31.1	24	7	7	1	3	1	0	0	122	0	6.32	0.86	7.33	0.29	18.0	2.5	0.86	.242	2.01	6.89
9	Drew Rasmussen D. Rasmussen	4	May 2022	1	.800	6	6	3.45	26	0	0	0	28.2	24	11	11	3	9	0	0	0	116	2	8.16	2.83	2.89	0.94	22.4	7.8	1.15	.269	3.45	7.53
10	Zac Gallen Z. Gallen	4	May 2022	0	1.000	6	6	3.06	35	0	0	0	35.1	28	12	12	3	8	4	0	0	144	3	8.92	2.04	4.38	0.76	24.3	5.6	1.02	.266	3.06	7.13
11	Walker Buehler W. Buehler	4	May 2022	0	1.000	6	6	3.71	28	0	0	0	34.0	38	14	15	3	9	1	0	0	146	0	7.41	2.38	3.11	0.79	19.2	6.2	1.38	.333	3.97	10.06
12	Kevin Gausman K. Gausman	4	May 2022	2	.667	6	6	2.72	39	0	0	0	36.1	34	11	12	2	6	0	0	0	149	0	9.66	1.49	6.50	0.50	26.2	4.0	1.10	.314	2.97	8.42
13	Nick Pivetta N. Pivetta	4	May 2022	1	.800	6	6	2.11	35	1	0	0	38.1	26	9	9	2	6	1	0	0	146	1	8.22	1.41	5.83	0.47	24.0	4.1	0.83	.235	2.11	6.10
14	Framber Valdez F. Valdez	4	May 2022	1	.800	6	6	2.30	33	1	0	0	43.0	33	11	11	2	10	1	0	0	169	1	6.91	2.09	3.30	0.42	19.5	5.9	1.00	.252	2.30	6.91
15	Drew VerHagen D. VerHagen	3	May 2022	0	1.000	6	0	2.08	5	0	0	0	8.2	5	2	2	2	5	1	1	0	36	0	5.19	5.19	1.00	2.08	13.9	13.9	1.15	.130	2.08	5.19
16	Sonny Gray S. Gray	3	May 2022	0	1.000	5	5	1.65	34	0	0	0	27.1	18	5	5	1	7	0	0	0	106	1	11.20	2.30	4.86	0.33	32.1	6.6	0.91	.266	1.65	5.93
17	Eric Lauer E. Lauer	3	May 2022	1	.750	5	5	2.96	27	0	0	0	27.1	22	9	11	5	10	2	0	0	115	1	8.89	3.29	2.70	1.65	23.5	8.7	1.17	.239	3.62	7.24
18	Taijuan Walker T. Walker	3	May 2022	0	1.000	5	5	3.54	14	0	0	0	28.0	30	11	12	2	10	0	0	1	121	0	4.50	3.21	1.40	0.64	11.6	8.3	1.43	.295	3.86	9.64
19	Nestor Cortes N. Cortes	3	May 2022	1	.750	5	5	1.95	33	0	0	0	32.1	18	7	7	3	9	1	0	0	124	0	9.19	2.51	3.67	0.84	26.6	7.3	0.84	.192	1.95	5.01
20	Nabil Crismatt N. Crismatt	3	May 2022	0	1.000	9	0	1.93	11	0	0	0	14.0	12	3	3	0	2	0	1	0	55	0	7.07	1.29	5.50	0.00	20.0	3.6	1.00	.286	1.93	7.71
21	J.P. Feyereisen	3	May 2022	0	1.000	12	0	0.00	14	0	0	1	12.2	3	0	1	0	3	0	2	0	45	0	9.95	2.13	4.67	0.00	31.1	6.7	0.47	.107	0.71	2.13
22	Lucas Giolito L. Giolito	3	May 2022	1	.750	5	5	4.13	37	0	0	0	28.1	29	13	13	6	11	0	0	0	119	1	11.75	3.49	3.36	1.91	31.1	9.2	1.41	.354	4.13	9.21
23	Freddy Peralta F. Peralta	3	May 2022	1	.750	4	4	3.92	27	0	0	0	20.2	17	9	9	0	5	2	0	0	87	1	11.76	2.18	5.40	0.00	31.0	5.7	1.06	.321	3.92	7.40
24	Adam Wainwright A. Wainwright	3	May 2022	1	.750	5	5	1.69	22	0	0	0	32.0	20	6	7	3	8	0	0	0	123	0	6.19	2.25	2.75	0.84	17.9	6.5	0.88	.189	1.97	5.63
25	Nick Sandlin N. Sandlin	3	May 2022	1	.750	7	0	1.23	4	0	0	0	7.1	4	1	2	1	13	0	2	2	37	0	4.91	15.95	0.31	1.23	10.8	35.1	2.32	.158	2.45	4.91