Since 1983, Mike Mussina has won the most games for the Orioles, with 147 wins.

Interpreted as:

most regular-season wins by orioles pitcher since 1983

	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	Mike Mussina M. Mussina	147	81	.645	288	288	3.53	1,535	45	15	0	2009.2	1,895	789	836	210	467	22	0	15	8,201	39	6.87	2.09	3.29	0.94	18.7	5.7	1.18	.282	3.74	77	3.62	79	8.49	214.8
2	Scott Erickson S. Erickson	79	68	.537	200	197	4.73	699	37	10	0	1287.2	1,438	677	726	128	446	54	1	19	5,598	36	4.89	3.12	1.57	0.89	12.5	8.0	1.46	.307	5.07	102	4.48	96	10.05	28
3	Mike Boddicker M. Boddicker	78	72	.520	180	179	3.72	810	53	13	0	1235.0	1,161	510	575	122	425	39	1	22	5,181	36	5.90	3.10	1.91	0.89	15.6	8.2	1.28	.275	4.19	91	3.86	93	8.46	40
4	Chris Tillman C. Tillman	74	60	.552	210	205	4.57	847	2	1	0	1145.0	1,142	582	614	164	436	33	1	7	4,908	56	6.66	3.43	1.94	1.29	17.3	8.9	1.38	.285	4.83	110	4.71	111	8.98	-59.2
5	Sidney Ponson S. Ponson	73	85	.462	223	212	4.86	836	28	4	1	1375.1	1,529	743	790	180	465	28	5	11	5,950	42	5.47	3.04	1.80	1.18	14.1	7.8	1.45	.304	5.17	108	4.62	100	10.01	-1
6	Rodrigo Lopez R. Lopez	60	58	.508	167	141	4.72	614	5	2	0	912.2	990	479	510	128	281	28	5	15	3,951	19	6.05	2.77	2.19	1.26	15.5	7.1	1.39	.297	5.03	107	4.53	100	9.76	1.9
7	Scott McGregor S. McGregor	60	58	.508	165	152	4.37	383	35	9	0	966.0	1,068	469	509	129	263	13	5	7	4,139	11	3.57	2.45	1.46	1.20	9.3	6.4	1.38	.280	4.74	108	4.55	110	9.95	-45
8	Ben McDonald B. McDonald	58	53	.523	155	142	3.89	638	21	6	0	937.0	838	405	434	100	334	20	5	16	3,906	26	6.13	3.21	1.91	0.96	16.3	8.6	1.25	.262	4.17	92	4.08	96	8.05	19.1
9	Storm Davis S. Davis	53	39	.576	173	115	3.65	472	26	4	5	843.2	802	342	373	53	290	10	27	23	3,533	24	5.04	3.09	1.63	0.57	13.4	8.2	1.29	.277	3.98	91	3.51	86	8.56	53
10	Daniel Cabrera D. Cabrera	48	59	.449	147	146	5.05	651	6	2	1	841.1	825	472	501	88	478	51	1	16	3,783	60	6.96	5.11	1.36	0.94	17.2	12.6	1.55	.293	5.36	113	4.81	106	8.83	-22
11	Jeremy Guthrie J. Guthrie	47	65	.420	161	153	4.12	602	4	0	0	983.1	971	450	486	133	281	45	4	11	4,154	13	5.51	2.57	2.14	1.22	14.5	6.8	1.27	.271	4.45	94	4.63	105	8.89	-19.7
12	Wei-Yin Chen W. Chen	46	32	.590	117	117	3.72	547	0	0	0	706.2	713	292	314	97	172	15	0	4	2,954	10	6.97	2.19	3.18	1.24	18.5	5.8	1.25	.290	4.00	92	4.13	100	9.08	0
13	Mark Williamson M. Williamson	46	35	.568	365	15	3.86	397	2	0	21	689.2	701	296	321	62	226	9	142	51	2,927	19	5.18	2.95	1.76	0.81	13.6	7.7	1.34	.286	4.19	93	3.90	94	9.15	20.8
14	Arthur Rhodes A. Rhodes	43	36	.544	238	61	4.86	579	5	3	9	622.1	575	336	350	79	316	9	35	21	2,696	19	8.37	4.57	1.83	1.14	21.5	11.7	1.43	.290	5.06	109	4.39	98	8.32	7.8
15	Mike Flanagan M. Flanagan	41	46	.471	220	114	4.02	425	20	3	3	837.2	864	374	418	81	290	14	39	19	3,582	27	4.57	3.12	1.47	0.87	11.9	8.1	1.38	.282	4.49	99	4.10	100	9.28	2.6
16	Erik Bedard E. Bedard	40	34	.541	114	111	3.83	639	1	1	0	658.0	627	280	308	58	254	22	0	2	2,820	20	8.74	3.47	2.52	0.79	22.7	9.0	1.34	.308	4.21	85	3.58	78	8.58	72.3
17	Kevin Gausman K. Gausman	39	51	.433	150	127	4.22	697	1	0	0	763.2	801	358	371	110	230	18	4	4	3,254	42	8.21	2.71	3.03	1.30	21.4	7.1	1.35	.314	4.37	100	4.16	96	9.44	13.1
18	Miguel Gonzalez M. Gonzalez	39	33	.542	101	95	3.82	417	1	1	0	580.1	555	246	261	86	190	24	1	8	2,439	15	6.47	2.95	2.19	1.33	17.1	7.8	1.28	.272	4.05	94	4.69	115	8.61	-36.2
19	Dylan Bundy D. Bundy	38	45	.458	127	103	4.67	602	2	1	0	614.1	611	319	345	114	206	25	8	5	2,628	13	8.82	3.02	2.92	1.67	22.9	7.8	1.33	.296	5.05	106	4.74	104	8.95	-11.6
20	Bob Milacki B. Milacki	37	37	.500	121	109	4.19	350	8	5	1	703.0	700	327	344	73	255	5	3	11	2,990	11	4.48	3.26	1.37	0.93	11.7	8.5	1.36	.272	4.40	107	4.26	109	8.96	-26.3
21	Jeff Ballard J. Ballard	36	51	.414	144	113	4.63	217	10	2	0	695.1	812	358	408	84	204	15	7	16	3,011	10	2.81	2.64	1.06	1.09	7.2	6.8	1.46	.292	5.28	117	4.68	118	10.51	-55
22	Jason Johnson J. Johnson	34	53	.391	133	120	4.84	479	3	0	0	740.0	790	398	446	106	314	36	3	15	3,291	28	5.83	3.82	1.53	1.29	14.6	9.5	1.49	.290	5.42	108	5.03	110	9.61	-36.8
23	Dean Kremer D. Kremer	33	34	.493	102	101	4.39	458	1	1	0	537.2	525	262	287	80	186	15	0	0	2,293	20	7.67	3.11	2.46	1.34	20.0	8.1	1.32	.286	4.80	108	4.52	110	8.79	-24.7
24	Ubaldo Jimenez U. Jimenez	32	42	.432	117	104	5.22	548	1	0	1	594.1	614	345	359	83	275	23	4	2	2,630	18	8.30	4.16	1.99	1.26	20.8	10.5	1.50	.312	5.44	125	4.61	108	9.30	-22.3
25	Alan Mills A. Mills	32	21	.604	346	3	4.16	354	0	0	14	480.0	412	222	231	65	295	15	105	36	2,106	23	6.64	5.53	1.20	1.22	16.8	14.0	1.47	.252	4.33	92	5.24	117	7.73	-40.9