Between the 1882 and 1931 seasons, Wilbur Cooper won the most games for the Pirates, with 202 wins.

Interpreted as:

Most regular-season wins pirates pitcher 1882 to 1931

	NAME	W	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	Wilbur Cooper W. Cooper	202	159	.560	469	369	2.74	1,191	263	33	14	3199.0	3,074	974	1,241	79	762	93	78	13,123	43	3.35	2.14	1.56	0.22	9.1	5.8	1.20	.272	3.49	84	3.03	93	8.65	90.3
2	Babe Adams B. Adams	194	139	.583	481	353	2.74	1,036	205	44	16	2991.1	2,832	911	1,125	67	428	47	90	11,926	26	3.12	1.29	2.42	0.20	8.7	3.6	1.09	.267	3.38	85	2.72	83	8.52	179.2
3	Sam Leever S. Leever	194	100	.660	388	299	2.47	847	241	39	13	2660.2	2,449	731	1,023	29	587	88	75	10,662	46	2.87	1.99	1.44	0.10	7.9	5.5	1.14	.266	3.46	81	2.84	92	8.28	74.2
4	Deacon Phillippe D. Phillippe	168	92	.646	330	251	2.50	861	209	25	11	2286.0	2,187	636	893	31	299	52	68	9,065	42	3.39	1.18	2.88	0.12	9.5	3.3	1.09	.276	3.52	85	2.46	81	8.61	149.2
5	Ray Kremer R. Kremer	138	82	.627	290	237	3.67	506	131	13	9	1878.0	2,011	766	889	116	458	28	36	7,981	20	2.42	2.19	1.10	0.56	6.3	5.7	1.31	.276	4.26	85	4.15	96	9.64	32.8
6	Ed Morris E. Morris	129	102	.558	241	240	2.81	890	235	25	1	2104.0	1,955	656	1,037	34	412	22	1	8,719	87	3.81	1.76	2.16	0.15	10.2	4.7	1.13	.262	4.44	88	2.95	94	8.36	9.7
7	Pud Galvin P. Galvin	126	110	.534	246	241	3.10	434	225	17	0	2084.2	2,242	719	1,166	54	370	42	5	8,874	58	1.87	1.60	1.17	0.23	4.9	4.2	1.25	.275	5.03	95	3.43	103	9.68	-56.6
8	Howie Camnitz H. Camnitz	116	84	.580	277	196	2.63	806	116	19	13	1754.1	1,528	513	689	31	532	55	69	7,036	33	4.13	2.73	1.52	0.16	11.5	7.6	1.17	.267	3.53	90	2.76	93	7.84	37.3
9	Jesse Tannehill J. Tannehill	116	58	.667	192	171	2.75	466	149	17	5	1508.0	1,561	461	663	11	243	71	20	6,182	10	2.78	1.45	1.92	0.07	7.5	3.9	1.20	.288	3.96	78	2.98	84	9.32	88.5
10	Frank Killen F. Killen	112	82	.577	213	201	3.97	467	163	9	0	1661.1	1,869	733	1,056	31	519	54	10	7,251	32	2.53	2.81	0.90	0.17	6.4	7.2	1.44	.297	5.72	92	4.03	92	10.13	51.6
11	Lefty Leifield L. Leifield	109	84	.565	239	191	2.38	546	125	28	7	1578.0	1,403	417	579	22	481	76	37	6,326	16	3.11	2.74	1.14	0.13	8.6	7.6	1.19	.266	3.30	86	2.91	102	8.00	-8.8
12	Johnny Morrison J. Morrison	89	71	.556	242	154	3.52	478	85	13	14	1363.2	1,377	533	621	43	429	25	61	5,749	28	3.15	2.83	1.11	0.28	8.3	7.5	1.32	.279	4.10	87	3.72	92	9.09	50.4
13	Vic Willis V. Willis	89	46	.659	160	146	2.08	423	108	23	3	1209.0	1,011	280	359	9	297	22	14	4,743	18	3.15	2.21	1.42	0.07	8.9	6.3	1.08	.251	2.67	84	2.41	92	7.53	28.6
14	Lee Meadows L. Meadows	88	52	.629	183	157	3.50	355	93	8	1	1248.1	1,351	486	592	42	286	25	15	5,264	11	2.56	2.06	1.24	0.30	6.7	5.4	1.31	.287	4.27	86	3.62	88	9.74	67.1
15	Pink Hawley P. Hawley	71	61	.538	145	132	3.76	367	114	6	1	1133.2	1,193	473	660	16	373	87	12	4,920	32	2.91	2.96	0.98	0.13	7.5	7.6	1.38	.289	5.24	87	4.17	96	9.47	19.5
16	Jack Chesbro J. Chesbro	70	38	.648	122	104	2.89	349	92	17	3	938.2	888	301	407	12	252	58	16	3,875	20	3.35	2.42	1.38	0.12	9.0	6.5	1.21	.273	3.90	86	3.24	96	8.51	9.6
17	Earl Hamilton E. Hamilton	55	55	.500	169	107	3.35	268	53	5	7	970.2	1,005	361	433	22	271	17	47	4,115	19	2.48	2.51	0.99	0.20	6.5	6.6	1.31	.278	4.01	95	3.46	97	9.32	12.7
18	Red Ehret R. Ehret	53	59	.473	124	109	3.79	273	95	5	0	977.0	1,053	411	655	22	326	55	15	4,310	27	2.51	3.00	0.84	0.20	6.3	7.6	1.41	.284	6.03	86	4.09	94	9.70	22.8
19	Erv Brame E. Brame	49	36	.576	119	88	4.58	178	62	3	0	740.2	862	377	440	56	216	6	20	3,256	7	2.16	2.62	0.82	0.68	5.5	6.6	1.46	.288	5.35	102	4.63	103	10.47	-8.3
20	Al Mamaux A. Mamaux	49	36	.576	113	86	2.61	369	52	11	2	713.1	581	207	272	8	308	23	23	2,950	10	4.66	3.89	1.20	0.10	12.5	10.4	1.25	.256	3.43	98	2.86	106	7.33	-13.6
21	Burleigh Grimes B. Grimes	47	40	.540	124	88	3.13	251	58	7	5	803.0	782	279	374	28	227	19	31	3,387	9	2.81	2.54	1.11	0.31	7.4	6.7	1.26	.263	4.19	85	3.54	94	8.76	30
22	Carmen Hill C. Hill	47	31	.603	132	78	3.26	249	47	5	8	735.1	714	266	332	33	241	13	32	3,104	11	3.05	2.95	1.03	0.40	8.0	7.8	1.30	.265	4.06	82	3.84	96	8.74	14.9
23	Mark Baldwin M. Baldwin	47	55	.461	110	105	3.14	354	93	2	1	880.1	838	307	554	21	422	45	5	3,941	41	3.62	4.31	0.84	0.21	9.0	10.7	1.43	.264	5.66	96	3.58	108	8.57	-31.2
24	Nick Maddox N. Maddox	43	20	.683	93	72	2.29	193	47	9	1	605.1	487	154	209	7	170	35	18	2,368	8	2.87	2.53	1.14	0.10	8.2	7.2	1.09	.245	3.11	90	2.71	104	7.24	-6.7
25	Emil Yde E. Yde	42	22	.656	112	74	3.84	137	39	5	0	618.0	651	264	327	18	233	12	25	2,663	11	2.00	3.39	0.59	0.26	5.1	8.7	1.43	.280	4.76	94	4.15	100	9.48	0.1