Will Warren fanned the most hitters by a rookie this season, with 171 strikeouts.

Interpreted as:

most strikeouts for a rookie pitcher this regular season

	NAME	SO	SEASON	TM	G	W	L	W%	GS	ERA	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	ERA-	FIP	FIP-	H/9	PRAA
1	Will Warren W. Warren	171	2025	NYY	33	9	8	.529	33	4.44	0	0	0	162.1	158	80	90	22	65	4	0	0	711	2	9.48	3.60	2.63	1.22	24.1	9.1	1.37	.303	4.99	109	4.06	94	8.76	4.4
2	Jack Leiter J. Leiter	148	2025	TEX	29	10	10	.500	29	3.86	0	0	0	151.2	127	65	69	18	67	5	0	0	646	10	8.78	3.98	2.21	1.07	22.9	10.4	1.28	.267	4.09	94	4.14	97	7.54	2
3	Shane Smith S. Smith	145	2025	CWS	29	7	8	.467	29	3.81	0	0	0	146.1	117	62	70	17	58	12	0	1	616	8	8.92	3.57	2.50	1.05	23.5	9.4	1.20	.260	4.31	92	4.09	95	7.20	3.4
4	Sean Burke S. Burke	133	2025	CWS	28	4	11	.267	22	4.22	0	0	0	134.1	131	63	76	23	63	6	0	0	596	2	8.91	4.22	2.11	1.54	22.3	10.6	1.44	.291	5.09	102	4.91	114	8.78	-8.8
5	Chad Patrick C. Patrick	127	2025	MIL	27	3	8	.273	23	3.53	0	0	0	119.2	113	47	49	13	40	4	0	1	503	1	9.55	3.01	3.18	0.98	25.2	8.0	1.28	.313	3.69	84	3.52	84	8.50	8.6
6	Noah Cameron N. Cameron	114	2025	KCR	24	9	7	.563	24	2.99	0	0	0	138.1	109	46	46	18	43	3	0	1	556	3	7.42	2.80	2.65	1.17	20.5	7.7	1.10	.241	2.99	70	4.17	100	7.09	0
7	Jacob Lopez J. Lopez	113	2025	ATH	21	7	7	.500	17	4.08	0	0	0	92.2	81	42	47	15	37	8	1	0	399	0	10.97	3.59	3.05	1.46	28.3	9.3	1.27	.292	4.56	100	4.25	102	7.87	-0.8
8	Joey Cantillo J. Cantillo	108	2025	CLE	34	5	3	.625	13	3.21	0	0	1	95.1	78	34	39	10	42	0	10	0	401	2	10.20	3.97	2.57	0.94	26.9	10.5	1.26	.282	3.68	79	3.55	86	7.36	6.2
9	Brad Lord B. Lord	108	2025	WSH	48	5	10	.333	19	4.34	0	0	0	130.2	126	63	65	17	43	3	2	0	546	1	7.44	2.96	2.51	1.17	19.8	7.9	1.29	.291	4.48	104	4.22	101	8.68	-0.7
10	Tomoyuki Sugano T. Sugano	106	2025	BAL	30	10	10	.500	30	4.64	0	0	0	157.0	173	81	85	33	36	8	0	2	675	3	6.08	2.06	2.94	1.89	15.7	5.3	1.33	.285	4.87	116	5.35	131	9.92	-22.6
11	J.T. Ginn	99	2025	ATH	23	4	7	.364	16	5.08	0	0	0	90.1	92	51	52	17	31	6	0	1	392	1	9.86	3.09	3.19	1.69	25.3	7.9	1.36	.314	5.18	124	4.61	111	9.17	-4.4
12	Ronny Henriquez R. Henriquez	98	2025	MIA	69	7	1	.875	0	2.22	0	0	7	73.0	53	18	23	8	27	4	9	2	303	2	12.08	3.33	3.63	0.99	32.3	8.9	1.10	.271	2.84	52	3.14	76	6.53	8
13	Ryan Gusto R. Gusto	97	2025	TOT	27	7	7	.500	17	5.67	0	0	0	101.2	114	64	67	17	36	5	2	0	453	0	8.59	3.19	2.69	1.50	21.4	7.9	1.48	.326	5.93	138	4.60	111	10.09	-5.4
14	Mike Burrows M. Burrows	97	2025	PIT	23	2	4	.333	19	3.94	0	0	0	96.0	88	42	43	13	31	5	0	1	402	2	9.09	2.91	3.13	1.22	24.1	7.7	1.24	.293	4.03	92	3.99	97	8.25	1.5
15	Cade Horton C. Horton	97	2025	CHC	23	11	4	.733	22	2.67	0	0	0	118.0	95	35	40	10	33	6	0	0	476	1	7.40	2.52	2.94	0.76	20.4	6.9	1.08	.258	3.05	65	3.58	88	7.25	6.2
16	Zebby Matthews Z. Matthews	88	2025	MIN	16	5	6	.455	16	5.56	0	0	0	79.1	94	49	50	12	24	0	0	0	354	2	9.98	2.72	3.67	1.36	24.9	6.8	1.49	.357	5.67	136	3.78	91	10.66	3.4
17	Jacob Misiorowski J. Misiorowski	87	2025	MIL	15	5	3	.625	14	4.36	0	0	0	66.0	51	32	34	8	31	3	0	0	273	1	11.86	4.23	2.81	1.09	31.9	11.4	1.24	.299	4.64	104	3.61	87	6.95	4.1
18	Cam Schlittler C. Schlittler	84	2025	NYY	14	4	3	.571	14	2.96	0	0	0	73.0	58	24	24	8	31	5	0	0	304	3	10.36	3.82	2.71	0.99	27.6	10.2	1.22	.284	2.96	72	3.73	87	7.15	4.5
19	Mike Vasil M. Vasil	82	2025	CWS	47	5	3	.625	3	2.50	0	0	4	101.0	74	28	32	8	52	8	17	5	423	4	7.31	4.63	1.58	0.71	19.4	12.3	1.25	.242	2.85	60	4.32	100	6.59	-0.1
20	Chase Dollander C. Dollander	82	2025	COL	21	2	12	.143	21	6.52	0	0	0	98.0	103	71	76	18	49	6	0	0	441	2	7.53	4.50	1.67	1.65	18.6	11.1	1.55	.297	6.98	137	5.53	127	9.46	-12.1
21	Janson Junk J. Junk	77	2025	MIA	21	6	4	.600	16	4.17	0	0	1	110.0	112	51	54	8	13	4	3	0	447	2	6.30	1.06	5.92	0.65	17.2	2.9	1.14	.301	4.42	97	3.14	76	9.16	12.2
22	Justin Wrobleski J. Wrobleski	76	2025	LAD	24	5	5	.500	2	4.32	0	0	2	66.2	65	32	34	6	17	3	9	1	280	1	10.26	2.30	4.47	0.81	27.1	6.1	1.23	.331	4.59	105	2.92	69	8.78	9.5
23	Lake Bachar L. Bachar	75	2025	MIA	53	8	2	.800	1	3.93	0	0	3	71.0	55	31	34	10	30	3	12	3	296	5	9.51	3.80	2.50	1.27	25.3	10.1	1.20	.253	4.31	91	4.24	103	6.97	-0.9
24	Brandon Eisert B. Eisert	74	2025	CWS	72	3	8	.273	3	4.39	0	0	2	69.2	75	34	36	12	25	5	14	6	306	3	9.56	3.23	2.96	1.55	24.2	8.2	1.44	.332	4.65	106	4.53	106	9.69	-1.7
25	Jack Dreyer J. Dreyer	74	2025	LAD	67	3	2	.600	5	2.95	0	0	4	76.1	56	25	26	4	24	0	14	5	307	1	8.72	2.83	3.08	0.47	24.1	7.8	1.05	.254	3.07	71	2.81	67	6.60	11.7