Roy Oswalt had a 15-8 record with an ERA of 2.54 and 158 strikeouts in 29 appearances versus the Pirates in his career.

Interpreted as:

Roy Oswalt stats against pirates in his career

	NAME	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Roy Oswalt R. Oswalt	7/28/2001	HOU	@	PIT		1	2.84	6	0	0	0	6.1	7	2	2	0	0	0	0	0	26	0
2	Roy Oswalt R. Oswalt	8/19/2001	HOU	vs	PIT	W	1	1.13	10	0	0	0	8.0	5	1	2	0	0	0	0	0	29	0
3	Roy Oswalt R. Oswalt	8/24/2001	HOU	@	PIT	W	1	1.13	9	0	0	0	8.0	6	1	1	1	1	1	0	0	32	0
4	Roy Oswalt R. Oswalt	5/11/2002	HOU	@	PIT	L	1	3.86	2	0	0	0	7.0	5	3	4	0	2	0	0	0	28	0
5	Roy Oswalt R. Oswalt	5/16/2002	HOU	vs	PIT	W	1	1.13	11	0	0	0	8.0	7	1	1	0	1	0	0	0	31	0
6	Roy Oswalt R. Oswalt	7/7/2002	HOU	@	PIT		0	0.00	3	0	0	0	1.0	1	0	0	0	0	0	0	0	4	0
7	Roy Oswalt R. Oswalt	7/16/2002	HOU	vs	PIT	L	1	7.71	8	0	0	0	7.0	9	6	6	1	0	0	0	0	29	0
8	Roy Oswalt R. Oswalt	7/27/2002	HOU	vs	PIT	W	1	0.00	9	0	0	0	8.0	4	0	0	0	1	0	0	0	29	0
9	Roy Oswalt R. Oswalt	5/15/2003	HOU	@	PIT	W	1	3.00	5	0	0	0	6.0	7	2	2	0	2	0	0	0	25	0
10	Roy Oswalt R. Oswalt	7/12/2003	HOU	vs	PIT	L	1	6.00	6	0	0	0	6.0	8	4	4	1	1	0	0	0	27	0
11	Roy Oswalt R. Oswalt	4/28/2004	HOU	@	PIT	L	1	3.86	1	0	0	0	7.0	7	3	4	0	1	2	0	0	31	0
12	Roy Oswalt R. Oswalt	6/22/2004	HOU	vs	PIT	W	1	3.38	5	0	0	0	8.0	9	3	3	0	0	0	0	0	32	0
13	Roy Oswalt R. Oswalt	9/12/2004	HOU	@	PIT		1	2.57	5	0	0	0	7.0	6	2	2	0	3	0	0	0	29	0
14	Roy Oswalt R. Oswalt	4/25/2005	HOU	@	PIT	L	1	2.57	6	0	0	0	7.0	6	2	2	0	3	0	0	0	29	0
15	Roy Oswalt R. Oswalt	8/12/2005	HOU	vs	PIT		1	5.14	2	0	0	0	7.0	10	4	4	1	2	0	0	1	32	1
16	Roy Oswalt R. Oswalt	9/21/2005	HOU	@	PIT	W	1	4.50	6	0	0	0	6.0	9	3	4	0	2	0	0	0	30	0
17	Roy Oswalt R. Oswalt	4/23/2006	HOU	vs	PIT	W	1	1.29	7	0	0	0	7.0	6	1	1	0	0	1	0	0	26	0
18	Roy Oswalt R. Oswalt	8/9/2006	HOU	vs	PIT	W	1	1.50	6	0	0	0	6.0	4	1	1	0	1	0	0	0	23	0
19	Roy Oswalt R. Oswalt	9/28/2006	HOU	@	PIT	W	1	0.00	6	0	0	0	7.0	4	0	0	0	2	1	0	0	27	0
20	Roy Oswalt R. Oswalt	4/2/2007	HOU	vs	PIT		1	1.17	3	0	0	0	7.2	5	1	1	1	1	0	0	0	29	0
21	Roy Oswalt R. Oswalt	7/20/2007	HOU	@	PIT	W	1	1.50	4	0	0	0	6.0	7	1	1	0	0	0	0	0	25	0
22	Roy Oswalt R. Oswalt	9/14/2007	HOU	vs	PIT		1	0.00	6	0	0	0	7.0	7	0	1	0	1	0	0	1	29	0
23	Roy Oswalt R. Oswalt	6/4/2008	HOU	@	PIT	L	1	4.50	4	0	0	0	6.0	9	3	4	0	1	1	0	0	28	0
24	Roy Oswalt R. Oswalt	9/11/2008	HOU	vs	PIT	W	1	0.00	4	1	1	0	9.0	3	0	0	0	0	0	0	0	27	0
25	Roy Oswalt R. Oswalt	9/21/2008	HOU	@	PIT	W	1	1.50	4	0	0	0	6.0	7	1	1	0	0	0	0	0	23	0
	Total						28	2.54	158	2	2	0	195.0	179	55	62	7	29	7	0	2	784	1