Rodrigo Lopez won the most games for the Orioles in 2005, with 15 wins.

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	CG	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	Rodrigo Lopez R. Lopez	15	2005	BAL	12	.556	35	35	4.90	118	0	0	209.1	232	114	126	28	63	7	0	1	918	5	5.07	2.71	1.87	1.20	12.9	6.9	1.41	.291	5.42	114	4.62	104	9.97	-3.7
2	Bruce Chen B. Chen	13	2005	BAL	10	.565	34	32	3.83	133	1	0	197.1	187	84	94	33	63	9	0	0	832	2	6.07	2.87	2.11	1.51	16.0	7.6	1.27	.259	4.29	89	4.93	111	8.53	-10
3	Daniel Cabrera D. Cabrera	10	2005	BAL	13	.435	29	29	4.52	157	0	0	161.1	144	81	92	14	87	11	0	2	716	9	8.76	4.85	1.80	0.78	21.9	12.2	1.43	.291	5.13	105	4.01	90	8.03	7.8
4	Sidney Ponson S. Ponson	7	2005	BAL	11	.389	23	23	6.21	68	1	0	130.1	177	90	97	16	48	3	0	1	595	10	4.70	3.31	1.42	1.10	11.4	8.1	1.73	.350	6.70	144	4.74	106	12.22	-3.9
5	Erik Bedard E. Bedard	6	2005	BAL	8	.429	24	24	4.00	125	0	0	141.2	139	63	66	10	57	5	0	1	606	4	7.94	3.62	2.19	0.64	20.6	9.4	1.38	.315	4.19	93	3.48	78	8.83	15
6	Todd Williams T. Williams	5	2005	BAL	5	.500	72	0	3.30	38	0	1	76.1	72	28	34	5	26	3	12	4	321	4	4.48	3.07	1.46	0.59	11.8	8.1	1.28	.269	4.01	77	4.01	90	8.49	3.7
7	Jorge Julio J. Julio	3	2005	BAL	5	.375	67	0	5.90	58	0	0	71.2	76	47	50	14	24	2	19	4	313	10	7.28	3.01	2.42	1.76	18.5	7.7	1.40	.288	6.28	137	5.02	113	9.54	-4.3
8	Hayden Penn H. Penn	3	2005	BAL	2	.600	8	8	6.34	18	0	0	38.1	46	27	30	6	21	0	0	3	178	3	4.23	4.93	0.86	1.41	10.1	11.8	1.75	.301	7.04	147	5.75	129	10.80	-5.3
9	Eric DuBose E. DuBose	2	2005	BAL	3	.400	15	3	5.52	17	0	0	29.1	28	18	21	4	19	1	2	0	135	1	5.22	5.83	0.89	1.23	12.6	14.1	1.60	.255	6.44	128	5.67	127	8.59	-3.8
10	Steve Kline S. Kline	2	2005	BAL	4	.333	67	0	4.28	36	0	0	61.0	59	29	34	11	30	0	23	5	264	4	5.31	4.43	1.20	1.62	13.6	11.4	1.46	.257	5.02	99	5.65	127	8.70	-7.8
11	John Maine J. Maine	2	2005	BAL	3	.400	10	8	6.30	24	0	0	40.0	39	28	30	8	24	1	1	0	184	0	5.40	5.40	1.00	1.80	13.0	13.0	1.58	.244	6.75	146	6.28	141	8.78	-7.9
12	Jason Grimsley J. Grimsley	1	2005	BAL	2	.333	22	0	5.73	10	0	0	22.0	24	14	15	5	9	0	9	2	93	1	4.09	3.68	1.11	2.05	10.8	9.7	1.50	.275	6.14	133	6.28	141	9.82	-4.3
13	John Parrish J. Parrish	1	2005	BAL	0	1.000	14	0	3.12	25	0	0	17.1	19	6	6	1	17	0	2	1	86	6	12.98	8.83	1.47	0.52	29.1	19.8	2.08	.419	3.12	72	3.82	86	9.87	1.2
14	Aaron Rakers A. Rakers	1	2005	BAL	0	1.000	10	0	3.29	11	0	0	13.2	11	5	5	3	3	0	1	0	55	0	7.24	1.98	3.67	1.98	20.0	5.5	1.02	.211	3.29	76	4.91	110	7.24	-0.7
15	Chris Ray C. Ray	1	2005	BAL	3	.250	41	0	2.66	43	0	0	40.2	34	12	15	5	18	1	8	3	174	0	9.52	3.98	2.39	1.11	24.7	10.3	1.28	.271	3.32	62	3.89	88	7.52	2.5
16	Steve Reed S. Reed	1	2005	BAL	2	.333	30	0	6.61	15	0	0	32.2	41	24	24	5	11	4	6	2	149	0	4.13	3.03	1.36	1.38	10.1	7.4	1.59	.316	6.61	154	5.46	123	11.30	-3.5
17	B.J. Ryan	1	2005	BAL	4	.200	69	0	2.43	100	0	36	70.1	54	19	20	4	26	2	61	2	290	5	12.80	3.33	3.85	0.51	34.5	9.0	1.14	.316	2.56	56	2.10	47	6.91	17.9