most losses pirates pitcher 1882 to 1931

Between the 1882 and 1931 seasons, Wilbur Cooper lost the most games for the Pirates, with 159 games.

Interpreted as:

Most regular-season losses pirates pitcher 1882 to 1931

	NAME	L	W	L%	G	W%	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	159	202	.440	469	.560	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	139	194	.417	481	.583	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	Pud Galvin P. Galvin	110	126	.466	246	.534	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
4	Ed Morris E. Morris	102	129	.442	241	.558	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
5	Sam Leever S. Leever	100	194	.340	388	.660	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
6	Deacon Phillippe D. Phillippe	92	168	.354	330	.646	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
7	Lefty Leifield L. Leifield	84	109	.435	239	.565	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
8	Howie Camnitz H. Camnitz	84	116	.420	277	.580	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	Ray Kremer R. Kremer	82	138	.373	290	.627	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
10	Frank Killen F. Killen	82	112	.423	213	.577	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	Johnny Morrison J. Morrison	71	89	.444	242	.556	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
12	Pink Hawley P. Hawley	61	71	.462	145	.538	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
13	Red Ehret R. Ehret	59	53	.527	124	.473	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
14	Jesse Tannehill J. Tannehill	58	116	.333	192	.667	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	Earl Hamilton E. Hamilton	55	55	.500	169	.500	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
16	Hal Carlson H. Carlson	55	42	.567	172	.433	92	3.64	289	41	5	12	829.1	861	335	386	23	239	21	61	3,474	8	3.14	2.59	1.21	0.25	8.3	6.9	1.33	.289	4.19	108	3.30	98	9.34	3.2
17	Mark Baldwin M. Baldwin	55	47	.539	110	.461	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
18	Lee Meadows L. Meadows	52	88	.371	183	.629	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
19	Bob Harmon B. Harmon	52	39	.571	121	.429	88	2.60	216	59	9	4	769.2	719	222	298	17	168	11	22	3,107	8	2.53	1.96	1.29	0.20	7.0	5.4	1.15	.260	3.48	97	2.80	102	8.41	-5
20	Frank Miller F. Miller	49	41	.544	123	.456	97	2.75	286	54	12	2	769.0	673	235	292	12	180	24	21	3,111	12	3.35	2.11	1.59	0.14	9.2	5.8	1.11	.253	3.42	99	2.58	94	7.88	15
21	Vic Willis V. Willis	46	89	.341	160	.659	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
22	Harry Staley H. Staley	43	37	.538	83	.463	78	3.21	273	76	3	1	699.0	695	249	407	21	180	17	5	2,950	45	3.52	2.32	1.52	0.27	9.3	6.1	1.25	.274	5.24	98	3.29	99	8.95	-9.6
23	Burleigh Grimes B. Grimes	40	47	.460	124	.540	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
24	Jack Chesbro J. Chesbro	38	70	.352	122	.648	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
25	Jack Neagle J. Neagle	38	14	.731	54	.269	54	4.27	126	49	2	0	440.0	510	209	342	15	95		0	2,009	47	2.58	1.94	1.33	0.31	6.3	4.7	1.38	.282	7.00	132	3.91	122	10.43	-36.5