Bill Lee won the most games in 1938, with 22 wins.

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Bill Lee B. Lee	22	1938	CHC	9	.710	44	37	2.66	121	19	9	2	291.0	281	86	95	18	74	2	5	1,194	3	3.74	2.29	1.64	0.56	10.1	6.2	1.22	.269	2.94	70	3.68	92	8.69	10.8
2	Paul Derringer P. Derringer	21	1938	CIN	14	.600	41	37	2.93	132	26	4	3	307.0	315	100	110	20	49	0	4	1,263	1	3.87	1.44	2.69	0.59	10.5	3.9	1.19	.278	3.22	80	3.39	88	9.23	15.5
3	Red Ruffing R. Ruffing	21	1938	NYY	7	.750	31	31	3.31	127	22	3	0	247.1	246	91	104	16	82	0	0	1,043	1	4.62	2.98	1.55	0.58	12.2	7.9	1.33	.281	3.78	72	3.73	85	8.95	18.7
4	Bobo Newsom B. Newsom	20	1938	SLA	16	.556	44	40	5.08	226	31	0	1	329.2	334	186	205	30	192	5	3	1,475	3	6.17	5.24	1.18	0.82	15.3	13.0	1.60	.297	5.60	101	4.53	94	9.12	11.6
5	Clay Bryant C. Bryant	19	1938	CHC	11	.633	44	30	3.10	135	17	3	2	270.1	235	93	105	6	125	1	10	1,146	5	4.49	4.16	1.08	0.20	11.8	10.9	1.33	.261	3.50	81	3.61	90	7.82	12.1
6	Lefty Gomez L. Gomez	18	1938	NYY	12	.600	32	32	3.35	129	20	4	0	239.0	239	89	110	7	99	1	0	1,034	5	4.86	3.73	1.30	0.26	12.5	9.6	1.41	.291	4.14	73	3.48	79	9.00	25.1
7	Bob Feller B. Feller	17	1938	CLE	11	.607	39	36	4.08	240	20	2	1	277.2	225	126	136	13	208	7	3	1,248	5	7.78	6.74	1.15	0.42	19.2	16.7	1.56	.272	4.41	86	4.13	91	7.29	13
8	Mel Harder M. Harder	17	1938	CLE	10	.630	38	29	3.83	102	15	2	4	240.0	257	102	115	16	62	5	6	1,026	1	3.83	2.33	1.65	0.60	9.9	6.0	1.33	.287	4.31	81	3.78	83	9.64	20.7
9	George Caster G. Caster	16	1938	PHA	20	.444	42	40	4.35	112	20	2	1	281.1	310	136	156	25	117	3	2	1,250	5	3.58	3.74	0.96	0.80	9.0	9.4	1.52	.287	4.99	90	4.56	98	9.92	2.7
10	Monte Pearson M. Pearson	16	1938	NYY	7	.696	28	27	3.97	98	17	1	0	202.0	198	89	107	12	113	0	1	888	9	4.37	5.03	0.87	0.53	11.0	12.7	1.54	.280	4.77	86	4.40	100	8.82	-0.4
11	Bob Weiland B. Weiland	16	1938	SLN	11	.593	35	29	3.59	117	11	1	1	228.1	248	91	118	14	67	4	3	990	1	4.61	2.64	1.75	0.55	11.8	6.8	1.38	.297	4.65	93	3.63	90	9.78	10.8
12	Jim Bagby J. Bagby	15	1938	BSA	11	.577	43	25	4.21	73	10	1	2	198.2	218	93	110	9	90	3	12	873	5	3.31	4.08	0.81	0.41	8.4	10.3	1.55	.299	4.98	85	4.18	88	9.88	12.3
13	Mace Brown M. Brown	15	1938	PIT	9	.625	51	2	3.80	55	0	0	5	132.2	155	56	68	5	44	0	32	585	3	3.73	2.98	1.25	0.34	9.4	7.5	1.50	.312	4.61	101	3.58	91	10.52	5.1
14	Wes Ferrell W. Ferrell	15	1938	TOT	10	.600	28	26	6.28	43	10	0	0	179.0	245	125	144	18	86	1	2	848	5	2.16	4.32	0.50	0.91	5.1	10.1	1.85	.324	7.24	138	5.21	119	12.32	-18.1
15	Harry Gumbert H. Gumbert	15	1938	NYG	13	.536	38	33	4.01	84	14	1	0	235.2	238	105	114	13	84	7	1	1,015	2	3.21	3.21	1.00	0.50	8.3	8.3	1.37	.272	4.35	106	4.09	103	9.09	-3
16	Monty Stratton M. Stratton	15	1938	CWS	9	.625	26	22	4.01	82	17	0	2	186.1	186	83	95	18	56	7	3	797	2	3.96	2.70	1.46	0.87	10.3	7.0	1.30	.265	4.59	84	4.31	94	8.98	5.9
17	Johnny Vander Meer J. Vander Meer	15	1938	CIN	10	.600	32	29	3.12	125	16	3	0	225.1	177	78	89	12	103	3	0	948	5	4.99	4.11	1.21	0.48	13.2	10.9	1.24	.234	3.55	85	3.92	102	7.07	-2.2
18	Bucky Walters B. Walters	15	1938	TOT	14	.517	39	34	4.20	93	20	3	1	251.0	259	117	134	13	108	5	3	1,111	11	3.33	3.87	0.86	0.47	8.4	9.7	1.46	.276	4.80	113	4.21	108	9.29	-9.1
19	Jack Wilson J. Wilson	15	1938	BSA	15	.500	37	27	4.30	96	11	3	1	194.2	200	93	108	16	91	2	7	869	2	4.44	4.21	1.05	0.74	11.0	10.5	1.49	.277	4.99	87	4.44	94	9.25	6.7
20	Johnny Allen J. Allen	14	1938	CLE	8	.636	30	27	4.19	112	13	0	0	200.0	189	93	107	15	81	3	3	855	7	5.04	3.65	1.38	0.68	13.1	9.5	1.35	.270	4.82	88	4.04	89	8.51	11.4
21	Spud Chandler S. Chandler	14	1938	NYY	5	.737	23	23	4.03	36	14	2	0	172.0	183	77	86	7	47	2	0	737	0	1.88	2.46	0.77	0.37	4.9	6.4	1.34	.273	4.50	88	3.89	88	9.58	9.9
22	Lefty Grove L. Grove	14	1938	BSA	4	.778	24	21	3.08	99	12	1	1	163.2	169	56	65	8	52	1	3	706	3	5.44	2.86	1.90	0.44	14.0	7.4	1.35	.295	3.57	62	3.32	70	9.29	25.3
23	Danny MacFayden D. MacFayden	14	1938	BSN	9	.609	29	29	2.95	58	19	5	0	219.2	208	72	82	6	64	5	0	924	3	2.38	2.62	0.91	0.25	6.3	6.9	1.24	.255	3.36	84	3.69	100	8.52	-1.3
24	Cliff Melton C. Melton	14	1938	NYG	14	.500	36	31	3.89	101	10	1	0	243.0	266	105	126	19	61	1	3	1,042	0	3.74	2.26	1.66	0.70	9.7	5.9	1.35	.287	4.67	103	3.87	98	9.85	2.6
25	Jim Tobin J. Tobin	14	1938	PIT	12	.538	40	33	3.47	70	14	2	0	241.1	254	93	109	17	66	6	6	1,029	2	2.61	2.46	1.06	0.63	6.8	6.4	1.33	.272	4.06	93	4.15	106	9.47	-6.2