Robbie Ray had the most quality starts in May 2025, with 6.

Interpreted as:

most quality starts by a player by may since 2023

	NAME	QS	MONTH	G	W	L	W%	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	Robbie Ray R. Ray	6	May 2025	6	4	1	.800	6	1.38	45	0	0	0	39.0	23	6	6	0	11	0	0	0	147	2	10.38	2.54	4.09	0.00	30.6	7.5	0.87	.253	1.38	5.31
2	Nick Martinez N. Martinez	5	May 2025	5	2	2	.500	5	2.25	19	0	0	0	32.0	26	8	8	1	2	1	0	0	119	2	5.34	0.56	9.50	0.28	16.0	1.7	0.88	.260	2.25	7.31
3	Zack Littell Z. Littell	5	May 2025	6	4	0	1.000	6	2.88	26	1	0	0	40.2	37	13	13	8	3	3	0	0	158	1	5.75	0.66	8.67	1.77	16.5	1.9	0.98	.246	2.88	8.19
4	Mitch Keller M. Keller	5	May 2025	6	0	5	.000	6	3.50	30	0	0	0	36.0	36	14	16	2	8	1	0	0	147	0	7.50	2.00	3.75	0.50	20.4	5.4	1.22	.321	4.00	9.00
5	Framber Valdez F. Valdez	5	May 2025	6	4	1	.800	6	2.36	42	1	0	0	42.0	29	11	11	3	11	1	0	0	159	2	9.00	2.36	3.82	0.64	26.4	6.9	0.95	.255	2.36	6.21
6	Ryan Pepiot R. Pepiot	5	May 2025	6	1	2	.333	6	2.25	22	0	0	0	36.0	26	9	9	2	8	0	0	0	135	1	5.50	2.00	2.75	0.50	16.3	5.9	0.94	.233	2.25	6.50
7	Bryan Woo B. Woo	5	May 2025	6	2	1	.667	6	2.58	33	0	0	0	38.1	34	11	11	4	2	1	0	0	149	0	7.75	0.47	16.50	0.94	22.1	1.3	0.94	.275	2.58	7.98
8	José Berríos J. Berríos	5	May 2025	6	1	1	.500	6	3.50	37	0	0	0	36.0	30	14	14	4	13	3	0	1	149	0	9.25	3.25	2.85	1.00	24.8	8.7	1.19	.283	3.50	7.50
9	Paul Skenes P. Skenes	5	May 2025	6	1	3	.250	6	1.91	38	1	0	0	37.2	25	8	8	3	14	1	0	0	151	0	9.08	3.35	2.71	0.72	25.2	9.3	1.04	.232	1.91	5.97
10	Corbin Burnes C. Burnes	4	May 2025	4	2	1	.667	4	1.67	29	0	0	0	27.0	17	5	5	2	8	1	0	1	106	0	9.67	2.67	3.63	0.67	27.4	7.5	0.93	.227	1.67	5.67
11	David Peterson D. Peterson	4	May 2025	5	2	1	.667	5	2.30	29	0	0	0	31.1	22	8	11	2	14	3	0	1	132	1	8.33	4.02	2.07	0.57	22.0	10.6	1.15	.238	3.16	6.32
12	Chris Sale C. Sale	4	May 2025	5	2	0	1.000	5	1.11	40	0	0	0	32.1	24	4	5	2	10	3	0	0	129	0	11.13	2.78	4.00	0.56	31.0	7.8	1.05	.297	1.39	6.68
13	Zack Wheeler Z. Wheeler	4	May 2025	5	4	1	.800	5	2.25	37	0	0	0	32.0	17	8	8	2	9	0	0	0	119	0	10.41	2.53	4.11	0.56	31.1	7.6	0.81	.211	2.25	4.78
14	Clarke Schmidt C. Schmidt	4	May 2025	5	2	1	.667	5	3.14	27	0	0	0	28.2	23	10	10	2	11	0	0	0	114	2	8.48	3.45	2.45	0.63	23.7	9.6	1.19	.284	3.14	7.22
15	Matthew Boyd M. Boyd	4	May 2025	5	3	0	1.000	5	3.54	34	0	0	0	28.0	27	11	12	4	2	3	0	0	112	1	10.93	0.64	17.00	1.29	30.4	1.8	1.04	.333	3.86	8.68
16	Ranger Suárez R. Suárez	4	May 2025	5	4	0	1.000	5	2.97	31	0	0	0	30.1	26	10	10	1	10	0	0	0	126	0	9.20	2.97	3.10	0.30	24.6	7.9	1.19	.298	2.97	7.71
17	Logan Webb L. Webb	4	May 2025	5	2	3	.400	5	2.81	34	0	0	0	32.0	33	10	13	3	6	0	0	0	134	0	9.56	1.69	5.67	0.84	25.4	4.5	1.22	.330	3.66	9.28
18	Luis Castillo L. Castillo	4	May 2025	5	1	1	.500	5	3.00	22	0	0	0	30.0	29	10	10	1	7	0	0	0	123	0	6.60	2.10	3.14	0.30	17.9	5.7	1.20	.301	3.00	8.70
19	Jameson Taillon J. Taillon	4	May 2025	5	3	2	.600	5	3.68	25	0	0	0	29.1	24	12	13	10	5	0	0	0	116	0	7.67	1.53	5.00	3.07	21.6	4.3	0.99	.184	3.99	7.36
20	Bailey Falter B. Falter	4	May 2025	6	3	0	1.000	6	0.76	19	0	0	0	35.2	17	3	4	1	13	0	0	0	131	0	4.79	3.28	1.46	0.25	14.5	9.9	0.84	.163	1.01	4.29
21	Kris Bubic K. Bubic	4	May 2025	5	3	0	1.000	5	0.56	33	0	0	0	32.1	20	2	2	1	8	0	0	0	118	0	9.19	2.23	4.13	0.28	28.0	6.8	0.87	.250	0.56	5.57
22	Spencer Schwellenbach S. Schwellenbach	4	May 2025	6	3	2	.600	6	3.41	38	0	0	0	37.0	34	14	17	5	6	1	0	0	150	0	9.24	1.46	6.33	1.22	25.3	4.0	1.08	.290	4.14	8.27
23	Max Fried M. Fried	4	May 2025	6	2	1	.667	6	2.65	37	0	0	0	37.1	27	11	11	3	7	1	0	0	142	2	8.92	1.69	5.29	0.72	26.1	4.9	0.91	.255	2.65	6.51
24	Sonny Gray S. Gray	4	May 2025	6	3	1	.750	6	3.71	43	0	0	0	34.0	35	14	16	4	7	0	0	0	141	0	11.38	1.85	6.14	1.06	30.5	5.0	1.24	.356	4.24	9.26
25	Grant Holmes G. Holmes	4	May 2025	6	1	3	.250	6	3.22	38	0	0	0	36.1	30	13	13	6	10	1	0	0	148	1	9.41	2.48	3.80	1.49	25.7	6.8	1.10	.258	3.22	7.43