Since 1980, Roger Clemens has the most pitcher wins - pitcher losses, with 170.

	NAME	W-L	W	L	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	ERA-	FIP	FIP-	H/9	PRAA
1	Roger Clemens R. Clemens	170	354	184	.658	.342	709	707	3.12	4,672	118	46	0	4916.2	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	8.55	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	70	3.08	71	7.66	680.4
2	Randy Johnson R. Johnson	137	303	166	.646	.354	618	603	3.29	4,875	100	37	2	4135.1	3,346	1,513	1,703	411	1,497	190	7	37	17,067	109	10.61	3.26	3.26	0.89	28.6	8.8	1.17	.291	3.71	75	3.18	73	7.28	554.3
3	Greg Maddux G. Maddux	128	355	227	.610	.390	744	740	3.16	3,371	109	35	0	5008.1	4,726	1,756	1,981	353	999	137	3	177	20,421	70	6.06	1.80	3.37	0.63	16.5	4.9	1.14	.281	3.56	76	3.25	78	8.49	519.5
4	Clayton Kershaw C. Kershaw	127	223	96	.699	.301	455	451	2.53	3,052	25	15	0	2855.1	2,193	804	881	235	713	46	1	28	11,279	108	9.62	2.25	4.28	0.74	27.1	6.3	1.02	.271	2.78	65	2.85	70	6.91	375.1
5	Pedro Martinez P. Martinez	119	219	100	.687	.313	476	409	2.93	3,154	46	17	3	2827.1	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	68	7.07	454.6
6	Mike Mussina M. Mussina	117	270	153	.638	.362	537	536	3.68	2,813	57	23	0	3562.2	3,460	1,458	1,559	376	785	60	0	29	14,593	71	7.11	1.98	3.58	0.95	19.3	5.4	1.19	.292	3.94	82	3.57	79	8.74	372.8
7	Justin Verlander J. Verlander	108	266	158	.627	.373	555	555	3.32	3,553	26	9	0	3567.2	3,046	1,317	1,428	371	1,004	121	0	28	14,607	99	8.96	2.53	3.54	0.94	24.3	6.9	1.14	.280	3.60	79	3.43	81	7.68	310.9
8	Max Scherzer M. Scherzer	103	220	117	.653	.347	483	474	3.22	3,489	12	5	0	2963.0	2,433	1,059	1,132	354	779	114	2	20	11,987	80	10.60	2.37	4.48	1.08	29.1	6.5	1.08	.287	3.44	77	3.23	78	7.39	302.5
9	Andy Pettitte A. Pettitte	103	256	153	.626	.374	531	521	3.85	2,448	26	4	0	3316.0	3,448	1,418	1,572	288	1,031	55	3	42	14,074	69	6.64	2.80	2.37	0.78	17.4	7.3	1.35	.308	4.27	86	3.73	83	9.36	282.1
10	Tom Glavine T. Glavine	102	305	203	.600	.400	682	682	3.54	2,607	56	25	0	4413.1	4,298	1,734	1,900	356	1,500	66	0	145	18,604	65	5.32	3.06	1.74	0.73	14.0	8.1	1.31	.280	3.87	86	3.94	94	8.76	120.1
11	Roy Halladay R. Halladay	98	203	105	.659	.341	416	390	3.38	2,117	67	20	1	2749.1	2,646	1,034	1,135	236	592	81	6	28	11,287	56	6.93	1.94	3.58	0.77	18.8	5.2	1.18	.292	3.72	77	3.39	77	8.66	296
12	CC Sabathia	90	251	161	.609	.391	561	560	3.74	3,093	38	12	0	3577.1	3,404	1,485	1,623	382	1,099	123	0	44	14,989	74	7.78	2.76	2.81	0.96	20.6	7.3	1.26	.294	4.08	87	3.77	87	8.56	223.7
13	Tim Hudson T. Hudson	89	222	133	.625	.375	482	479	3.49	2,080	26	13	0	3126.2	2,957	1,213	1,319	248	917	124	0	84	13,005	84	5.99	2.64	2.27	0.71	16.0	7.1	1.24	.281	3.80	83	3.78	90	8.51	152.3
14	Jon Lester J. Lester	83	200	117	.631	.369	452	451	3.66	2,488	15	4	0	2740.0	2,610	1,114	1,215	294	892	90	0	13	11,487	63	8.17	2.93	2.79	0.97	21.7	7.8	1.28	.300	3.99	86	3.77	92	8.57	101.7
15	David Wells D. Wells	82	239	157	.604	.396	660	489	4.13	2,201	54	12	13	3439.0	3,635	1,578	1,702	407	719	83	65	65	14,413	101	5.76	1.88	3.06	1.07	15.3	5.0	1.27	.293	4.45	93	3.99	90	9.51	172.9
16	Dwight Gooden D. Gooden	82	194	112	.634	.366	430	410	3.51	2,293	68	24	3	2800.2	2,564	1,091	1,198	210	954	78	4	42	11,705	76	7.37	3.07	2.40	0.67	19.6	8.2	1.26	.288	3.85	90	3.32	83	8.24	182.1
17	David Price D. Price	75	157	82	.657	.343	400	322	3.32	2,076	17	3	3	2143.2	1,930	790	865	221	562	63	19	16	8,807	40	8.72	2.36	3.69	0.93	23.6	6.4	1.16	.290	3.63	81	3.38	83	8.10	165.9
18	Gerrit Cole G. Cole	73	153	80	.657	.343	317	317	3.18	2,251	8	5	0	1954.0	1,627	690	740	217	500	61	0	8	7,861	58	10.37	2.30	4.50	1.00	28.6	6.4	1.09	.292	3.41	79	3.16	77	7.49	213.5
19	Adam Wainwright A. Wainwright	72	200	128	.610	.390	478	411	3.53	2,202	28	11	3	2668.1	2,577	1,047	1,117	233	736	81	13	40	11,116	51	7.43	2.48	2.99	0.79	19.8	6.6	1.24	.298	3.77	88	3.53	87	8.69	152.8
20	Curt Schilling C. Schilling	70	216	146	.597	.403	569	436	3.46	3,116	83	20	22	3261.0	2,998	1,253	1,318	347	711	52	81	43	13,284	72	8.60	1.96	4.38	0.96	23.5	5.4	1.14	.293	3.64	80	3.22	76	8.27	373.6
21	Zack Greinke Z. Greinke	69	225	156	.591	.409	586	541	3.49	2,979	17	5	1	3389.1	3,207	1,315	1,410	367	762	79	8	25	13,877	101	7.91	2.02	3.91	0.97	21.5	5.5	1.17	.293	3.74	83	3.51	85	8.52	235
22	Jimmy Key J. Key	69	186	117	.614	.386	470	389	3.51	1,538	34	13	10	2591.2	2,518	1,010	1,104	254	668	38	28	29	10,719	50	5.34	2.32	2.30	0.88	14.3	6.2	1.23	.275	3.83	82	3.79	89	8.74	135.4
23	David Cone D. Cone	68	194	126	.606	.394	450	419	3.46	2,668	56	22	1	2898.2	2,504	1,115	1,222	258	1,137	106	9	42	12,184	149	8.28	3.53	2.35	0.80	21.9	9.3	1.26	.280	3.79	84	3.56	85	7.77	190.9
24	Kevin Brown K. Brown	67	211	144	.594	.406	486	476	3.28	2,397	72	17	0	3256.1	3,079	1,185	1,357	208	901	139	1	42	13,542	108	6.62	2.49	2.66	0.57	17.7	6.7	1.22	.290	3.75	78	3.32	78	8.51	344.2
25	Kenny Rogers K. Rogers	63	219	156	.584	.416	762	474	4.27	1,968	36	9	28	3302.2	3,457	1,568	1,739	339	1,175	127	133	53	14,280	79	5.36	3.20	1.67	0.92	13.8	8.2	1.40	.292	4.74	93	4.38	97	9.42	43.3