Joe Ryan won the most games by a rookie in 2022, with 13 wins.

	NAME	W	SEASON	TM	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	ERA-	FIP	FIP-	H/9	PRAA
1	Joe Ryan J. Ryan	13	2022	MIN	8	.619	27	27	3.55	151	0	0	0	147.0	115	58	60	20	47	10	0	0	604	2	9.24	2.88	3.21	1.22	25.0	7.8	1.10	.253	3.67	93	3.98	102	7.04	-1.5
2	Spencer Strider S. Strider	11	2022	ATL	5	.688	31	20	2.67	202	0	0	0	131.2	86	39	42	7	45	3	3	1	528	6	13.81	3.08	4.49	0.48	38.3	8.5	0.99	.292	2.87	65	1.82	46	5.88	31.3
3	George Kirby G. Kirby	8	2022	SEA	5	.615	25	25	3.39	133	0	0	0	130.0	135	49	54	13	22	5	0	0	542	4	9.21	1.52	6.05	0.90	24.5	4.1	1.21	.331	3.74	91	2.98	78	9.35	12.3
4	Brock Burke B. Burke	7	2022	TEX	5	.583	52	0	1.97	90	0	0	0	82.1	63	18	25	9	24	2	5	1	328	2	9.84	2.62	3.75	0.98	27.4	7.3	1.06	.266	2.73	50	3.29	81	6.89	6.9
5	Alexis Díaz A. Díaz	7	2022	CIN	3	.700	59	0	1.84	83	0	0	10	63.2	28	13	18	5	33	5	20	3	255	7	11.73	4.66	2.52	0.71	32.5	12.9	0.96	.178	2.54	43	3.31	79	3.96	6
6	Glenn Otto G. Otto	7	2022	TEX	10	.412	27	27	4.64	107	0	0	0	135.2	119	70	74	21	62	13	0	0	587	5	7.10	4.11	1.73	1.39	18.2	10.6	1.33	.255	4.91	117	5.20	128	7.89	-16.6
7	Reid Detmers R. Detmers	7	2022	LAA	6	.538	25	25	3.77	122	1	1	0	129.0	110	54	56	13	46	8	0	1	539	2	8.51	3.21	2.65	0.91	22.6	8.5	1.21	.277	3.91	95	3.78	94	7.67	3.4
8	Bailey Falter B. Falter	6	2022	PHI	4	.600	20	16	3.86	74	0	0	0	84.0	85	36	39	16	17	6	3	0	349	2	7.93	1.82	4.35	1.71	21.2	4.9	1.21	.292	4.18	95	4.64	114	9.11	-5.2
9	JP Sears	6	2022	TOT	3	.667	17	11	3.86	51	0	0	0	70.0	67	30	31	8	23	2	1	1	288	0	6.56	2.96	2.22	1.03	17.7	8.0	1.29	.289	3.99	104	4.21	109	8.61	-2.8
10	Andre Pallante A. Pallante	6	2022	STL	5	.545	47	10	3.17	73	0	0	0	108.0	113	38	39	9	40	1	4	2	457	4	6.08	3.33	1.83	0.75	16.0	8.8	1.42	.311	3.25	81	3.98	102	9.42	-1
11	Edward Cabrera E. Cabrera	6	2022	MIA	4	.600	14	14	3.01	75	0	0	0	71.2	44	24	24	10	33	9	0	0	291	2	9.42	4.14	2.27	1.26	25.8	11.3	1.07	.207	3.01	74	4.59	117	5.53	-5.6
12	Camilo Doval C. Doval	6	2022	SFG	6	.500	68	0	2.53	80	0	0	27	67.2	54	19	27	4	30	3	51	2	286	4	10.64	3.99	2.67	0.53	28.0	10.5	1.24	.296	3.59	65	2.97	78	7.18	6.6
13	Joey Krehbiel J. Krehbiel	5	2022	BAL	5	.500	56	0	3.90	45	0	0	1	57.2	53	25	28	9	18	3	8	1	244	1	7.02	2.81	2.50	1.40	18.4	7.4	1.23	.260	4.37	103	4.67	121	8.27	-5.3
14	Nick Vespi N. Vespi	5	2022	BAL	0	1.000	25	0	4.10	28	0	0	1	26.1	29	12	12	5	8	1	4	1	112	0	9.57	2.73	3.50	1.71	25.0	7.1	1.41	.343	4.10	108	4.47	116	9.91	-1.9
15	Colin Holderman C. Holderman	5	2022	TOT	0	1.000	24	0	3.81	24	0	0	0	28.1	20	12	14	0	14	4	6	1	118	0	7.62	4.45	1.71	0.00	20.3	11.9	1.20	.263	4.45	95	3.32	84	6.35	2.1
16	Dylan Lee D. Lee	5	2022	ATL	1	.833	46	0	2.13	59	0	0	0	50.2	40	12	16	5	10	0	5	1	201	0	10.48	1.78	5.90	0.89	29.4	5.0	0.99	.276	2.84	52	2.65	67	7.11	7.3
17	Graham Ashcraft G. Ashcraft	5	2022	CIN	6	.455	19	19	4.89	71	0	0	0	105.0	119	57	61	11	30	8	0	1	464	9	6.09	2.57	2.37	0.94	15.3	6.5	1.42	.314	5.23	115	4.20	100	10.20	0
18	Josh Winckowski J. Winckowski	5	2022	BOS	7	.417	15	14	5.89	44	0	0	0	70.1	85	46	47	10	27	2	1	1	316	0	5.63	3.45	1.63	1.28	13.9	8.5	1.59	.322	6.01	143	4.94	124	10.88	-7.4
19	Hunter Greene H. Greene	5	2022	CIN	13	.278	24	24	4.44	164	1	1	0	125.2	104	62	64	24	48	10	0	0	531	4	11.75	3.44	3.42	1.72	30.9	9.0	1.21	.281	4.58	104	4.36	104	7.45	-2.1
20	Clarke Schmidt C. Schmidt	5	2022	NYY	5	.500	29	3	3.12	56	0	0	2	57.2	46	20	23	5	23	2	7	3	236	0	8.74	3.59	2.43	0.78	23.7	9.7	1.20	.273	3.59	82	3.59	90	7.18	2.5
21	Dylan Coleman D. Coleman	5	2022	KCR	2	.714	68	0	2.78	71	0	0	0	68.0	47	21	26	5	37	6	9	1	289	7	9.40	4.90	1.92	0.66	24.6	12.8	1.24	.247	3.44	69	3.87	99	6.22	0.2
22	Adrian Morejon A. Morejon	5	2022	SDP	1	.833	26	0	4.24	28	0	0	0	34.0	31	16	18	4	9	1	6	1	141	0	7.41	2.38	3.11	1.06	19.9	6.4	1.18	.273	4.76	111	3.87	98	8.21	0.3
23	Roansy Contreras R. Contreras	5	2022	PIT	5	.500	21	18	3.79	86	0	0	0	95.0	82	40	45	13	39	2	1	1	408	11	8.15	3.69	2.21	1.23	21.1	9.6	1.27	.257	4.26	93	4.37	110	7.77	-4
24	Robert Suarez R. Suarez	5	2022	SDP	1	.833	45	0	2.27	61	0	0	1	47.2	29	12	13	4	21	4	6	0	191	2	11.52	3.97	2.90	0.76	31.9	11.0	1.05	.248	2.45	60	3.21	81	5.48	3.9
25	Domingo Acevedo D. Acevedo	4	2022	OAK	4	.500	70	0	3.33	58	0	0	4	67.2	50	25	26	9	17	3	12	4	266	1	7.71	2.26	3.41	1.20	21.8	6.4	0.99	.229	3.46	90	4.01	105	6.65	-1.5