Wilbur Cooper has won the most career games for the Pirates, with 202 wins.

Interpreted as:

pirates all-time win in the regular season leaders

	NAME	W	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	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	Bob Friend B. Friend	191	218	.467	568	477	3.55	1,682	161	35	9	3480.1	3,610	1,372	1,575	273	869	45	46	108	14,644	50	4.35	2.25	1.94	0.71	11.5	5.9	1.29	.283	4.07	92	3.33	88	9.34	175
5	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
6	Vern Law V. Law	162	147	.524	483	364	3.77	1,092	119	28	13	2672.0	2,833	1,118	1,274	268	597	40	78	74	11,231	39	3.68	2.01	1.83	0.90	9.7	5.3	1.28	.278	4.29	99	3.70	98	9.54	16.8
7	Rip Sewell R. Sewell	143	97	.596	385	243	3.43	634	137	20	15	2108.2	2,082	804	968	114	740	23	86		9,041	30	2.71	3.16	0.86	0.49	7.0	8.2	1.34	.261	4.13	92	3.77	99	8.89	6.8
8	Ray Kremer R. Kremer	143	85	.627	308	247	3.76	516	134	14	9	1954.2	2,108	816	950	123	483	29	37		8,330	23	2.38	2.22	1.07	0.57	6.2	5.8	1.33	.277	4.37	88	4.18	97	9.71	23.9
9	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
10	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
11	John Candelaria J. Candelaria	124	87	.588	345	271	3.17	1,159	45	9	16	1873.0	1,763	660	731	172	436	26	42	45	7,651	13	5.57	2.10	2.66	0.83	15.1	5.7	1.17	.272	3.51	86	3.39	92	8.47	61.3
12	Bob Veale B. Veale	116	91	.560	341	255	3.06	1,652	78	20	6	1868.2	1,630	636	731	87	839	29	31	59	7,924	90	7.96	4.04	1.97	0.42	20.8	10.6	1.32	.290	3.52	87	2.76	83	7.85	122.5
13	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
14	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
15	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
16	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
17	Steve Blass S. Blass	103	76	.575	282	231	3.63	896	57	16	2	1597.1	1,558	644	739	128	597	38	14	49	6,780	56	5.05	3.36	1.50	0.72	13.2	8.8	1.35	.279	4.16	104	3.61	108	8.78	-54.5
18	Roy Face R. Face	100	93	.518	802	27	3.46	842	6	0	186	1314.2	1,283	505	562	130	346	14	547	102	5,433	32	5.76	2.37	2.43	0.89	15.5	6.4	1.24	.281	3.85	91	3.33	90	8.78	58.3
19	Dock Ellis D. Ellis	96	80	.545	231	208	3.16	869	51	12	0	1430.1	1,356	502	598	78	438	36	6	52	5,996	28	5.47	2.76	1.98	0.49	14.5	7.3	1.25	.279	3.76	90	3.00	88	8.53	68.6
20	Doug Drabek D. Drabek	92	62	.597	199	196	3.02	820	36	16	0	1362.2	1,227	457	506	112	337	21	1	25	5,511	34	5.42	2.23	2.43	0.74	14.9	6.1	1.15	.264	3.34	84	3.45	94	8.10	34.4
21	Bill Swift B. Swift	91	79	.535	305	164	3.57	592	78	7	18	1555.0	1,596	616	712	94	310	30	106		6,519	9	3.43	1.79	1.91	0.54	9.1	4.8	1.23	.273	4.12	92	3.72	93	9.24	50.5
22	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
23	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
24	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
25	Larry French L. French	87	83	.512	254	183	3.50	475	104	15	9	1502.2	1,646	585	736	73	397	19	46		6,471	17	2.84	2.38	1.20	0.44	7.3	6.1	1.36	.286	4.41	85	3.94	95	9.86	35.2