Catfish Hunter and Jim Palmer were tied for winning the most games in 1975, with 23 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	Catfish Hunter C. Hunter	23	1975	NYY	14	.622	39	39	2.58	177	30	7	0	328.0	248	94	107	25	83	5	0	4	1,294	7	4.86	2.28	2.13	0.69	13.7	6.4	1.01	.222	2.94	70	3.29	88	6.80	16
2	Jim Palmer J. Palmer	23	1975	BAL	11	.676	39	38	2.09	193	25	10	1	323.0	253	75	87	20	80	2	1	4	1,268	4	5.38	2.23	2.41	0.56	15.2	6.3	1.03	.239	2.42	58	2.95	80	7.05	27
3	Vida Blue V. Blue	22	1975	OAK	11	.667	39	38	3.01	189	13	2	1	278.0	243	93	103	21	99	5	1	4	1,153	4	6.12	3.21	1.91	0.68	16.4	8.6	1.23	.265	3.33	85	3.32	86	7.87	16.2
4	Tom Seaver T. Seaver	22	1975	NYM	9	.710	36	36	2.38	243	15	5	0	280.1	217	74	81	11	88	4	0	6	1,115	7	7.80	2.83	2.76	0.35	21.8	7.9	1.09	.268	2.60	68	2.34	66	6.97	37.3
5	Randy Jones R. Jones	20	1975	SDP	12	.625	37	36	2.24	103	18	6	0	285.0	242	71	94	17	56	0	1	9	1,124	1	3.25	1.77	1.84	0.54	9.2	5.0	1.05	.237	2.97	65	3.22	92	7.64	8.2
6	Jim Kaat J. Kaat	20	1975	CWS	14	.588	43	41	3.11	142	12	1	0	303.2	321	105	121	20	77	9	1	0	1,279	0	4.21	2.28	1.84	0.59	11.1	6.0	1.31	.292	3.59	81	3.35	89	9.51	14.3
7	Mike Torrez M. Torrez	20	1975	BAL	9	.690	36	36	3.06	119	16	2	0	270.2	238	92	103	15	133	5	0	5	1,144	10	3.96	4.42	0.89	0.50	10.4	11.6	1.37	.256	3.42	85	3.95	107	7.91	-8.3
8	Andy Messersmith A. Messersmith	19	1975	LAD	14	.576	42	40	2.29	213	19	7	1	321.2	244	82	92	22	96	5	2	2	1,276	8	5.96	2.69	2.22	0.62	16.7	7.5	1.06	.236	2.57	66	3.08	86	6.83	18.2
9	Rick Wise R. Wise	19	1975	BOS	12	.613	35	35	3.95	141	17	1	0	255.1	262	112	126	34	72	4	0	1	1,091	6	4.97	2.54	1.96	1.20	12.9	6.6	1.31	.271	4.44	97	4.09	103	9.23	-3.1
10	Steve Busby S. Busby	18	1975	KCR	12	.600	34	34	3.08	160	18	3	0	260.1	233	89	96	18	81	3	0	4	1,064	8	5.53	2.80	1.98	0.62	15.0	7.6	1.21	.268	3.32	79	3.21	86	8.06	15
11	Ken Holtzman K. Holtzman	18	1975	OAK	14	.563	39	38	3.14	122	13	2	0	266.1	217	93	111	16	108	7	0	1	1,110	6	4.12	3.65	1.13	0.54	11.0	9.7	1.22	.235	3.75	88	3.74	97	7.33	3.4
12	Burt Hooton B. Hooton	18	1975	TOT	9	.667	34	33	3.07	153	12	4	0	234.2	190	80	88	18	68	0	0	2	949	3	5.87	2.61	2.25	0.69	16.1	7.2	1.10	.242	3.38	87	3.14	87	7.29	12.2
13	Gaylord Perry G. Perry	18	1975	TOT	17	.514	37	37	3.24	233	25	5	0	305.2	277	110	127	28	70	4	0	6	1,248	5	6.86	2.06	3.33	0.82	18.7	5.6	1.14	.273	3.74	86	2.97	78	8.16	28.4
14	Jerry Reuss J. Reuss	18	1975	PIT	11	.621	32	32	2.54	131	15	6	0	237.1	224	67	73	10	78	0	0	8	984	4	4.97	2.96	1.68	0.38	13.3	7.9	1.27	.280	2.77	72	3.01	84	8.49	15.5
15	Luis Tiant L. Tiant	18	1975	BOS	14	.563	35	35	4.02	142	18	2	0	260.0	262	116	126	25	72	4	0	0	1,080	2	4.92	2.49	1.97	0.87	13.1	6.7	1.28	.283	4.36	98	3.61	91	9.07	10.3
16	Fergie Jenkins F. Jenkins	17	1975	TEX	18	.486	37	37	3.93	157	22	4	0	270.0	261	118	130	37	56	9	0	7	1,119	3	5.23	1.87	2.80	1.23	14.0	5.0	1.17	.260	4.33	104	3.92	105	8.70	-6
17	Bill Lee B. Lee	17	1975	BOS	9	.654	41	34	3.95	78	17	4	0	260.0	274	114	123	20	69	3	0	1	1,093	2	2.70	2.39	1.13	0.69	7.1	6.3	1.32	.275	4.26	97	3.81	96	9.48	4.8
18	Carl Morton C. Morton	17	1975	ATL	16	.515	39	39	3.50	78	11	2	0	277.2	302	108	122	19	82	3	0	3	1,199	1	2.53	2.66	0.95	0.62	6.5	6.8	1.38	.278	3.95	90	3.82	99	9.79	1.7
19	Ed Figueroa E. Figueroa	16	1975	CAL	13	.552	33	32	2.91	139	16	2	0	244.2	213	79	96	14	84	5	1	6	1,014	5	5.11	3.09	1.65	0.51	13.7	8.3	1.21	.258	3.53	81	3.27	89	7.84	11.3
20	Al Fitzmorris A. Fitzmorris	16	1975	KCR	12	.571	35	35	3.57	78	11	3	0	242.0	239	96	104	16	76	5	0	6	1,010	8	2.90	2.83	1.03	0.60	7.7	7.5	1.30	.267	3.87	92	3.79	102	8.89	-2
21	Jim Hughes J. Hughes	16	1975	MIN	14	.533	37	34	3.82	130	12	2	0	249.2	241	106	119	17	127	13	1	3	1,100	10	4.69	4.58	1.02	0.61	11.8	11.5	1.47	.276	4.29	99	4.10	108	8.69	-8.2
22	Jon Matlack J. Matlack	16	1975	NYM	12	.571	33	32	3.38	154	8	3	0	228.2	224	86	105	15	58	1	0	6	954	7	6.06	2.28	2.66	0.59	16.1	6.1	1.23	.288	4.13	97	2.86	81	8.82	17
23	Doc Medich D. Medich	16	1975	NYY	16	.500	38	37	3.50	132	15	2	0	272.1	271	106	115	25	72	1	0	5	1,121	6	4.36	2.38	1.83	0.83	11.8	6.4	1.26	.276	3.80	95	3.60	97	8.96	3.6
24	Don Sutton D. Sutton	16	1975	LAD	13	.552	35	35	2.87	175	11	4	0	254.1	202	81	87	17	62	3	0	5	1,031	7	6.19	2.19	2.82	0.60	17.0	6.0	1.04	.239	3.08	82	2.83	79	7.15	21.4
25	Frank Tanana F. Tanana	16	1975	CAL	9	.640	34	33	2.62	269	16	5	0	257.1	211	75	80	21	73	7	1	6	1,029	8	9.41	2.55	3.68	0.73	26.1	7.1	1.10	.288	2.80	73	2.48	67	7.38	35.3