most wins with only 2 losses in a season by a pitcher in pittsburgh history

Jack Chesbro has the most home wins for the Pirates with 2 or fewer pitcher losses in a season, with 18 wins in 1902.

	NAME	W	L	SEASON	TM	W%	L%	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	H/9
1	Jack Chesbro J. Chesbro	18	2	1902	PIT	.900	.100	21	19	2.13	99	18	4	1	168.2	150	40	45	1	35	9	2			3	5.28	1.87	2.83	0.05		5.4	1.10	.297	2.40	8.00
2	Sam Leever S. Leever	15	2	1903	PIT	.882	.118	17	17		46	16	4	0	147.0	135		47	1	29	1	0		586	3	2.82	1.78	1.59	0.06	7.8	4.9	1.12	.263	2.88	8.27
3	Dock Ellis D. Ellis	13	2	1971	PIT	.867	.133	17	17	2.23	73	8	2	0	129.0	110	32	39	5	32	2	0	4	522	2	5.09	2.23	2.28	0.35	14.0	6.1	1.10	.256	2.72	7.67
4	Howie Camnitz H. Camnitz	13	2	1911	PIT	.867	.133	19	17	0.43	74	12	1	0	146.1	116		39	0	40	3	1		575	7	4.55	2.46	1.85	0.00	12.9	7.0	1.07	.253	2.40	7.13
5	Rip Sewell R. Sewell	12	2	1943	PIT	.857	.143	15	14	2.57	31	11	1	0	122.1	127	35	48	0	42	1	1		527	0	2.28	3.09	0.74	0.00	5.9	8.0	1.38	.280	3.53	9.34
6	Ray Kremer R. Kremer	12	1	1926	PIT	.923	.077	20	13	2.35	37	10	1	3	122.2	128	32	39	3	22	2	5		504	0	2.71	1.61	1.68	0.22	7.3	4.4	1.22	.284	2.86	9.39
7	Luke Walker L. Walker	11	2	1970	PIT	.846	.154	24	12	2.59	79	5	3	2	107.2	77	31	31	2	50	0	9	6	438	2	6.60	4.18	1.58	0.17	18.0	11.4	1.18	.244	2.59	6.44
8	Roy Face R. Face	11	0	1959	PIT	1.000	.000	30	0	2.60	32	0	0	5	45.0	43	13	13	4	7	0	26	2	175	0	6.40	1.40	4.57	0.80	18.3	4.0	1.11	.295	2.60	8.60
9	Ray Kremer R. Kremer	11	0	1927	PIT	1.000	.000	17	14	2.42	28	9	3	1	108.0	101	29	33	2	19	0	3		434	0	2.33	1.58	1.47	0.17	6.5	4.4	1.11	.257	2.75	8.42
10	Ed Doheny E. Doheny	11	1	1902	PIT	.917	.083	12	12	1.88	50	11	1	0	105.1	80	22	24	0	36	4	0			2	4.27	3.08	1.39	0.00		9.1	1.10	.262	2.05	6.84
11	Waite Hoyt W. Hoyt	10	2	1934	PIT	.833	.167	29	7	2.18	60	4	1	5	111.1	103	27	33	2	23	0	15		448	0	4.85	1.86	2.61	0.16	13.4	5.1	1.13	.278	2.67	8.33
12	Heinie Meine H. Meine	10	2	1933	PIT	.833	.167	18	15	3.04	32	8	1	0	121.1	129	41	48	2	27	1	2		511	1	2.37	2.00	1.19	0.15	6.3	5.3	1.29	.283	3.56	9.57
13	Sam Leever S. Leever	10	2	1905	PIT	.833	.167	16	14		36	10	2	0	115.2	105		46	0	26	4	2		473	4	2.80	2.02	1.38	0.00	7.6	5.5	1.13	.258	3.58	8.17
14	Rip Sewell R. Sewell	9	0	1948	PIT	1.000	.000	10	7	2.88	16	4	0	0	59.1	54	19	19	5	18	1	2		247	1	2.43	2.73	0.89	0.76	6.5	7.3	1.21	.237	2.88	8.19
15	Nick Strincevich N. Strincevich	9	1	1944	PIT	.900	.100	18	13	2.58	32	6	0	1	97.2	89	28	37	3	23	1	4		406	0	2.95	2.12	1.39	0.28	7.9	5.7	1.15	.248	3.41	8.20
16	Babe Adams B. Adams	9	1	1921	PIT	.900	.100	14	9	1.71	23	5	1	0	79.0	71	15	21	1	4	0	3		306	0	2.62	0.46	5.75	0.11	7.5	1.3	0.95	.252	2.39	8.09
17	Ivan Nova I. Nova	8	2	2017	PIT	.800	.200	12	12	2.80	47	0	0	0	74.0	77	23	29	7	13	2	0	1	305	2	5.72	1.58	3.62	0.85	15.4	4.3	1.22	.297	3.53	9.36
18	Francisco Liriano F. Liriano	8	1	2013	PIT	.889	.111	11	11	1.47	72	0	0	0	73.2	45	12	12	2	26	0	0	0	286	2	8.80	3.18	2.77	0.24	25.2	9.1	0.96	.231	1.47	5.50
19	Ross Ohlendorf R. Ohlendorf	8	2	2009	PIT	.800	.200	16	16	2.64	67	0	0	0	99.0	82	29	30	10	31	3	0	0	398	2	6.09	2.82	2.16	0.91	16.8	7.8	1.14	.251	2.73	7.45
20	Denny Neagle D. Neagle	8	2	1996	PIT	.800	.200	13	13	2.79	66	1	0	0	93.2	94	29	34	12	19	0	0	1	383	1	6.34	1.83	3.47	1.15	17.2	5.0	1.21	.287	3.27	9.03
21	Kent Tekulve K. Tekulve	8	2	1982	PIT	.800	.200	42	0	3.06	34	0	0	9	64.2	59	22	24	3	23	1	33	12	272	1	4.73	3.20	1.48	0.42	12.5	8.5	1.27	.265	3.34	8.21
22	Enrique Romo E. Romo	8	2	1979	PIT	.800	.200	42	0	2.78	61	0	0	2	71.1	63	22	28	8	19	1	11	4	292	3	7.70	2.40	3.21	1.01	20.9	6.5	1.15	.271	3.53	7.95
23	Vern Law V. Law	8	1	1955	PIT	.889	.111	23	12	2.16	55	6	1	1	125.0	105	30	39	7	38	0	7	2	504	3	3.96	2.74	1.45	0.50	10.9	7.5	1.14	.243	2.81	7.56
24	Erv Brame E. Brame	8	2	1930	PIT	.800	.200	13	13	3.59	23	10	0	0	107.2	127	43	63	7	22	3	0		472	1	1.92	1.84	1.05	0.59	4.9	4.7	1.38	.288	5.27	10.62
25	Emil Yde E. Yde	8	0	1924	PIT	1.000	.000	16	9	2.65	30	7	2	0	98.2	85	29	30	0	32	3	6		401	3	2.74	2.92	0.94	0.00	7.5	8.0	1.19	.253	2.74	7.75