Roy Oswalt struck out his most batters in a game against the Brewers on September 9, 2001, with 12 strikeouts.

Interpreted as:

Roy Oswalt most strike outs in a regular-season game

	NAME	SO	DATE	TM		OPP	DEC	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Roy Oswalt R. Oswalt	12	9/9/2001	HOU	vs	MIL	W	1	0.00	1	1	0	9.0	7	0	0	0	1	0	0	0	36	0
2	Roy Oswalt R. Oswalt	11	6/20/2013	COL	@	WSH	L	1	7.20	0	0	0	5.0	9	4	4	1	0	0	0	0	24	0
3	Roy Oswalt R. Oswalt	11	9/1/2005	HOU	vs	CIN	W	1	1.59	0	0	0	5.2	5	1	1	0	1	0	0	0	22	0
4	Roy Oswalt R. Oswalt	11	7/2/2004	HOU	vs	TEX	W	1	5.63	0	0	0	8.0	9	5	5	2	0	0	0	0	33	1
5	Roy Oswalt R. Oswalt	11	6/5/2003	HOU	vs	BAL	W	1	1.29	0	0	0	7.0	8	1	1	0	0	1	0	0	30	0
6	Roy Oswalt R. Oswalt	11	5/16/2002	HOU	vs	PIT	W	1	1.13	0	0	0	8.0	7	1	1	0	1	0	0	0	31	0
7	Roy Oswalt R. Oswalt	10	9/16/2008	HOU	@	FLA	L	1	7.50	0	0	0	6.0	7	5	5	1	1	1	0	0	27	0
8	Roy Oswalt R. Oswalt	10	8/17/2008	HOU	vs	ARI	W	1	0.00	0	0	0	8.0	1	0	0	0	2	0	0	0	25	0
9	Roy Oswalt R. Oswalt	10	6/10/2008	HOU	vs	MIL	W	1	1.29	0	0	0	7.0	5	1	1	1	0	1	0	0	27	0
10	Roy Oswalt R. Oswalt	10	7/28/2007	HOU	vs	SDP	W	1	0.00	0	0	0	7.0	3	0	1	0	1	1	0	0	27	0
11	Roy Oswalt R. Oswalt	10	6/12/2007	HOU	vs	OAK		1	4.50	0	0	0	6.0	6	3	3	0	3	0	0	0	27	0
12	Roy Oswalt R. Oswalt	10	4/16/2004	HOU	vs	MIL	W	1	0.00	1	1	0	9.0	3	0	0	0	0	0	0	0	28	0
13	Roy Oswalt R. Oswalt	10	4/13/2002	HOU	@	STL		1	1.50	0	0	0	6.0	8	1	1	0	1	0	0	0	28	1
14	Roy Oswalt R. Oswalt	10	8/19/2001	HOU	vs	PIT	W	1	1.13	0	0	0	8.0	5	1	2	0	0	0	0	0	29	0
15	Roy Oswalt R. Oswalt	9	8/20/2011	PHI	@	WSH	W	1	0.00	0	0	0	8.0	8	0	0	0	1	0	0	0	31	0
16	Roy Oswalt R. Oswalt	9	6/10/2010	HOU	@	COL	W	1	2.57	0	0	0	7.0	4	2	2	0	2	0	0	0	27	0
17	Roy Oswalt R. Oswalt	9	5/26/2010	HOU	@	MIL	W	1	0.00	0	0	0	8.0	4	0	0	0	1	0	0	0	29	0
18	Roy Oswalt R. Oswalt	9	5/9/2010	HOU	vs	SDP		1	3.38	0	0	0	8.0	6	3	3	0	1	0	0	0	31	0
19	Roy Oswalt R. Oswalt	9	6/30/2008	HOU	vs	LAD	W	1	1.50	0	0	0	6.0	6	1	1	0	0	2	0	0	25	0
20	Roy Oswalt R. Oswalt	9	5/7/2008	HOU	vs	WSH		1	3.86	0	0	0	7.0	6	3	3	2	2	0	0	0	28	0
21	Roy Oswalt R. Oswalt	9	8/29/2007	HOU	vs	STL	W	1	0.00	0	0	0	7.0	4	0	0	0	0	0	0	0	24	0
22	Roy Oswalt R. Oswalt	9	9/8/2006	HOU	@	MIL	W	1	3.86	0	0	0	7.0	5	3	3	1	1	1	0	1	27	0
23	Roy Oswalt R. Oswalt	9	9/3/2006	HOU	vs	NYM	W	1	0.00	0	0	0	7.2	3	0	0	0	1	0	0	1	27	0
24	Roy Oswalt R. Oswalt	9	7/26/2005	HOU	vs	PHI	W	1	1.00	1	0	0	9.0	8	1	1	0	1	0	0	0	34	0
25	Roy Oswalt R. Oswalt	9	4/15/2005	HOU	@	CIN	W	1	2.57	0	0	0	7.0	5	2	2	0	1	1	0	0	28	0