fewest innings pitched by a rookie of the year

Devin Williams has pitched the fewest innings by a Rookie of the Year in a season, with 27 innings in 2020.

Interpreted as:

fewest innings pitched by a rookie of the year in a regular season by a player

	NAME	IP	ROY	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Devin Williams D. Williams	27.0	1	2020	MIL	22	4	1	.800	0	0.33	53	0	0	0	8	1	4	1	9	1	1	0	100	3	17.67	3.00	5.89	0.33	53.0	9.0	0.63	.194	1.33	7	0.85	19	2.67	10.8
2	Shohei Ohtani S. Ohtani	51.2	1	2018	LAA	10	4	2	.667	10	3.31	63	0	0	0	38	19	19	6	22	1	0	0	211	5	10.97	3.83	2.86	1.05	29.9	10.4	1.16	.269	3.31	78	3.56	83	6.62	4.1
3	Kazuhiro Sasaki K. Sasaki	62.2	1	2000	SEA	63	2	5	.286	0	3.16	78	0	0	37	42	22	25	10	31	2	58	5	265	1	11.20	4.45	2.52	1.44	29.4	11.7	1.16	.222	3.59	67	4.29	91	6.03	3
4	Neftali Feliz N. Feliz	69.1	1	2010	TEX	70	4	3	.571	0	2.73	71	0	0	40	43	21	21	5	18	5	59	1	269	5	9.22	2.34	3.94	0.65	26.4	6.7	0.88	.224	2.73	62	2.96	68	5.58	10.3
5	Craig Kimbrel C. Kimbrel	77.0	1	2011	ATL	79	4	3	.571	0	2.10	127	0	0	46	48	18	19	3	32	1	64	1	306	4	14.84	3.74	3.97	0.35	41.5	10.5	1.04	.315	2.22	56	1.51	40	5.61	19.6
6	Huston Street H. Street	78.1	1	2005	OAK	67	5	1	.833	0	1.72	72	0	0	23	53	15	17	3	26	2	47	4	306	1	8.27	2.99	2.77	0.34	23.5	8.5	1.01	.246	1.95	41	2.74	63	6.09	13.7
7	Andrew Bailey A. Bailey	83.1	1	2009	OAK	68	6	3	.667	0	1.84	91	0	0	26	49	17	17	5	24	0	54	3	323	6	9.83	2.59	3.79	0.54	28.2	7.4	0.88	.217	1.84	43	2.55	59	5.29	16.7
8	Steve Howe S. Howe	84.2	1	1980	LAD	59	7	9	.438	0	2.66	39	0	0	17	83	25	33	1	22	2	36	10	359	1	4.15	2.34	1.77	0.11	10.9	6.1	1.24	.278	3.51	76	2.83	78	8.82	7.3
9	Gregg Olson G. Olson	85.0	1	1989	BAL	64	5	2	.714	0	1.69	90	0	0	27	57	16	17	1	46	1	52	10	356	9	9.53	4.87	1.96	0.11	25.3	12.9	1.21	.257	1.80	45	2.45	65	6.04	12.7
10	Scott Williamson S. Williamson	93.1	1	1999	CIN	62	12	7	.632	0	2.41	107	0	0	19	54	25	29	8	43	1	40	6	366	13	10.32	4.15	2.49	0.77	29.2	11.7	1.04	.222	2.80	52	3.36	71	5.21	13.8
11	Todd Worrell T. Worrell	103.2	1	1986	STL	74	9	10	.474	0	2.08	73	0	0	36	86	24	29	9	41	1	60	16	430	1	6.34	3.56	1.78	0.78	17.0	9.5	1.23	.252	2.52	57	3.70	102	7.47	-1
12	Dave Righetti D. Righetti	105.1	1	1981	NYY	15	8	4	.667	15	2.05	89	2	0	0	75	24	25	1	38	0	0	0	422	1	7.60	3.25	2.34	0.09	21.1	9.0	1.07	.252	2.14	58	2.11	58	6.41	18.2
13	Butch Metzger B. Metzger	123.1	1	1976	SDP	77	11	4	.733	0	2.92	89	0	0	16	119	40	44	5	52	3	62	14	528	0	6.49	3.79	1.71	0.36	16.9	9.8	1.39	.301	3.21	89	3.05	90	8.68	4.5
14	Jacob deGrom J. deGrom	140.1	1	2014	NYM	22	9	6	.600	22	2.69	144	0	0	0	117	42	44	7	43	1	0	2	565	1	9.24	2.76	3.35	0.45	25.5	7.6	1.14	.297	2.82	77	2.66	72	7.50	16
15	Joe Black J. Black	142.1	1	1952	BKN	56	15	4	.789	2	2.15	85	1	0	15	102	34	40	9	41	1	41		560	0	5.37	2.59	2.07	0.57	15.2	7.3	1.00	.219	2.53	57	2.90	78	6.45	13.2
16	Michael Fulmer M. Fulmer	159.0	1	2016	DET	26	11	7	.611	26	3.06	132	1	1	0	136	54	57	16	42	9	0	1	647	1	7.47	2.38	3.14	0.91	20.4	6.5	1.12	.268	3.23	73	3.75	88	7.70	9.4
17	Dontrelle Willis D. Willis	160.2	1	2003	FLA	27	14	6	.700	27	3.30	142	2	2	0	148	59	61	13	58	3	0	0	668	7	7.95	3.25	2.45	0.73	21.3	8.7	1.28	.299	3.42	80	3.45	82	8.29	13.7
18	Kerry Wood K. Wood	166.2	1	1998	CHC	26	13	6	.684	26	3.40	233	1	1	0	117	63	69	14	85	11	0	1	699	6	12.58	4.59	2.74	0.76	33.3	12.2	1.21	.289	3.73	80	3.16	73	6.32	21.9
19	Jose Fernandez J. Fernandez	172.2	1	2013	MIA	28	12	6	.667	28	2.19	187	0	0	0	111	42	47	10	58	5	0	5	681	3	9.75	3.02	3.22	0.52	27.5	8.5	0.98	.240	2.45	60	2.72	75	5.79	18.1
20	Don Schwall D. Schwall	178.2	1	1961	BOS	25	15	7	.682	25	3.22	91	10	2	0	167	64	76	8	110	6	0	1	786	6	4.58	5.54	0.83	0.40	11.6	14.0	1.55	.278	3.83	77	4.09	96	8.41	3.7
21	Jason Jennings J. Jennings	185.1	1	2002	COL	32	16	8	.667	32	4.52	127	0	0	0	201	93	102	26	70	8	0	2	808	10	6.17	3.40	1.81	1.26	15.7	8.7	1.46	.303	4.95	93	4.67	103	9.76	-2.1
22	Justin Verlander J. Verlander	186.0	1	2006	DET	30	17	9	.654	30	3.63	124	1	1	0	187	75	78	21	60	6	0	1	776	5	6.00	2.90	2.07	1.02	16.0	7.7	1.33	.294	3.77	80	4.34	96	9.05	3.6
23	Jeremy Hellickson J. Hellickson	189.0	1	2011	TBR	29	13	10	.565	29	2.95	117	2	1	0	146	62	64	21	72	4	0	8	774	8	5.57	3.43	1.63	1.00	15.1	9.3	1.15	.223	3.05	76	4.43	112	6.95	-10.3
24	Hideo Nomo H. Nomo	191.1	1	1995	LAD	28	13	6	.684	28	2.54	236	4	3	0	124	54	63	14	78	5	0	2	780	19	11.10	3.67	3.03	0.66	30.3	10.0	1.06	.246	2.96	65	2.88	71	5.83	26.1
25	Fernando Valenzuela F. Valenzuela	192.1	1	1981	LAD	25	13	7	.650	25	2.48	180	11	8	0	140	53	55	11	61	1	0	4	758	4	8.42	2.85	2.95	0.51	23.7	8.0	1.05	.255	2.57	73	2.44	72	6.55	20.4