least losses in a season by a pitcher with 20 wins

9 pitchers are tied for the fewest losses with 20+ pitcher wins in a season, with 3 games. The first three are Julio Urías in 2021, Clayton Kershaw in 2014 and Max Scherzer in 2013.

Interpreted as:

least losses in a season by a pitcher with 20 or more wins

	NAME	W	L	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	Julio Urías J. Urías	20	3	2021	LAD	.130	.870	32	32	2.96	195	0	0	0	185.2	151	61	67	19	38	7	0	3	745	2	9.45	1.84	5.13	0.92	26.2	5.1	1.02	.272	3.25	73	3.12	73	7.32	23.8
2	Clayton Kershaw C. Kershaw	21	3	2014	LAD	.125	.875	27	27	1.77	239	6	2	0	198.1	139	39	42	9	31	2	0	0	749	7	10.85	1.41	7.71	0.41	31.9	4.1	0.86	.278	1.91	51	1.81	50	6.31	40.5
3	Max Scherzer M. Scherzer	21	3	2013	DET	.125	.875	32	32	2.90	240	0	0	0	214.1	152	69	73	18	56	4	0	0	836	6	10.08	2.35	4.29	0.76	28.7	6.7	0.97	.259	3.07	72	2.74	69	6.38	29.2
4	Cliff Lee C. Lee	22	3	2008	CLE	.120	.880	31	31	2.54	170	4	2	0	223.1	214	63	68	12	34	5	0	1	891	4	6.85	1.37	5.00	0.48	19.1	3.8	1.11	.301	2.74	59	2.82	67	8.62	35.4
5	Roger Clemens R. Clemens	20	3	2001	NYY	.130	.870	33	33	3.51	213	0	0	0	220.1	205	86	94	19	72	5	0	1	918	14	8.70	2.94	2.96	0.78	23.2	7.8	1.26	.305	3.84	80	3.28	74	8.37	28.1
6	David Cone D. Cone	20	3	1988	NYM	.130	.870	35	28	2.22	213	8	4	0	231.1	178	57	67	10	80	4	0	7	936	10	8.29	3.11	2.66	0.39	22.8	8.5	1.12	.267	2.61	68	2.57	75	6.93	22.5
7	Ron Guidry R. Guidry	25	3	1978	NYY	.107	.893	35	35	1.74	248	16	9	0	273.2	187	53	61	13	72	1	0	1	1,057	7	8.16	2.37	3.44	0.43	23.5	6.8	0.95	.241	2.01	48	2.18	58	6.15	48.5
8	Preacher Roe P. Roe	22	3	1951	BKN	.120	.880	34	33	3.04	113	19	2	0	257.2	247	87	91	30	64	0	1		1,031	2	3.95	2.24	1.77	1.05	11.0	6.2	1.21	.263	3.18	76	3.86	94	8.63	6.8
9	Fred Goldsmith F. Goldsmith	21	3	1880	CWS	.125	.875	26	24	1.75	90	22	4	1	210.1	189	41	80	2	18		1		837	10	3.85	0.77	5.00	0.09	10.8	2.2	0.98		3.42	72	2.06	84	8.09	10.4
10	J.A. Happ	20	4	2016	TOR	.167	.833	32	32	3.18	163	0	0	0	195.0	168	69	72	22	60	6	0	0	796	3	7.52	2.77	2.72	1.02	20.5	7.5	1.17	.268	3.32	76	3.95	93	7.75	6.3
11	Rick Porcello R. Porcello	22	4	2016	BOS	.154	.846	33	33	3.15	189	3	0	0	223.0	193	78	85	23	32	13	0	0	890	3	7.63	1.29	5.91	0.93	21.2	3.6	1.01	.269	3.43	71	3.39	81	7.79	20.1
12	Ian Kennedy I. Kennedy	21	4	2011	ARI	.160	.840	33	33	2.88	198	1	1	0	222.0	186	71	73	19	55	9	0	0	900	11	8.03	2.23	3.60	0.77	22.0	6.1	1.09	.270	2.96	73	3.21	83	7.54	16.5
13	Pedro Martinez P. Martinez	20	4	2002	BOS	.167	.833	30	30	2.26	239	2	0	0	199.1	144	50	62	13	40	15	0	1	787	3	10.79	1.81	5.98	0.59	30.4	5.1	0.92	.273	2.80	50	2.23	53	6.50	45.4
14	Mike Hampton M. Hampton	22	4	1999	HOU	.154	.846	34	34	2.90	177	3	2	0	239.0	206	77	86	12	101	5	0	2	979	9	6.67	3.80	1.75	0.45	18.1	10.3	1.28	.284	3.24	68	3.63	84	7.76	19.4
15	Pedro Martinez P. Martinez	23	4	1999	BOS	.148	.852	31	29	2.07	313	5	1	0	213.1	160	49	56	9	37	9	1	1	835	6	13.20	1.56	8.46	0.38	37.5	4.4	0.92	.323	2.36	42	1.38	30	6.75	79.4
16	Randy Johnson R. Johnson	20	4	1997	SEA	.167	.833	30	29	2.28	291	5	2	0	213.0	147	54	60	20	77	10	0	2	850	4	12.30	3.25	3.78	0.85	34.2	9.1	1.05	.281	2.54	50	2.82	62	6.21	41.3
17	Roger Clemens R. Clemens	24	4	1986	BOS	.143	.857	33	33	2.48	238	10	1	0	254.0	179	70	77	21	67	4	0	0	997	11	8.43	2.37	3.55	0.74	23.9	6.7	0.97	.237	2.73	58	2.80	69	6.34	36.3
18	Dwight Gooden D. Gooden	24	4	1985	NYM	.143	.857	35	35	1.53	268	16	8	0	276.2	198	47	51	13	69	2	0	4	1,065	6	8.72	2.24	3.88	0.42	25.2	6.5	0.97	.259	1.66	44	2.12	59	6.44	45.6
19	Whitey Ford W. Ford	25	4	1961	NYY	.138	.862	39	39	3.21	209	11	3	0	283.0	242	101	108	23	92	1	0	3	1,159	8	6.65	2.93	2.27	0.73	18.0	7.9	1.18	.263	3.43	85	3.14	82	7.70	22.7
20	Spud Chandler S. Chandler	20	4	1943	NYY	.167	.833	30	30	1.64	134	20	5	0	253.0	197	46	62	5	54	4	0		989	3	4.77	1.92	2.48	0.18	13.5	5.5	0.99	.242	2.21	50	2.30	68	7.01	29.8
21	Lefty Grove L. Grove	31	4	1931	PHA	.114	.886	41	30	2.06	175	27	4	5	288.2	249	66	84	10	62	1	10		1,160	2	5.46	1.93	2.82	0.31	15.1	5.3	1.08	.262	2.62	47	3.01	70	7.76	40.8
22	King Cole K. Cole	20	4	1910	CHC	.167	.833	33	29	1.80	114	21	4	1	239.2	174	48	64	2	130	9	2		962	9	4.28	4.88	0.88	0.08	11.9	13.5	1.27	.243	2.40	60	3.22	110	6.53	-8.3
23	Bill Donovan B. Donovan	25	4	1907	DET	.138	.862	32	28	2.19	123	27	3	1	271.0	222	66	96	3	82	8	4		1,073	2	4.08	2.72	1.50	0.10	11.5	7.6	1.12	.256	3.19	84	2.41	98	7.37	2
24	Kyle Wright K. Wright	21	5	2022	ATL	.192	.808	30	30	3.19	174	0	0	0	180.1	156	64	67	19	53	9	0	0	738	7	8.68	2.65	3.28	0.95	23.6	7.2	1.16	.284	3.34	78	3.58	91	7.79	7.4
25	Gerrit Cole G. Cole	20	5	2019	HOU	.200	.800	33	33	2.50	326	0	0	0	212.1	142	59	66	29	48	3	0	0	817	4	13.82	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	55	2.63	58	6.02	45