Mark Prior fanned the most hitters in a game in 2003, with 16 strikeouts versus the Brewers on June 26, 2003.

Interpreted as:

most pitched strikeouts by a player in a regular-season game 2003

	NAME	SO	DATE	TM		OPP	DEC	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Mark Prior M. Prior	16	6/26/2003	CHC	vs	MIL		1	2.25	0	0	0	8.0	4	2	2	1	0	0	0	0	27	1
2	Mark Prior M. Prior	14	9/21/2003	CHC	@	PIT	W	1	1.17	0	0	0	7.2	6	1	1	0	2	0	0	0	30	0
3	Curt Schilling C. Schilling	14	8/22/2003	ARI	vs	CHC	L	1	4.50	0	0	0	8.0	6	4	4	3	0	0	0	0	30	0
4	Wade Miller W. Miller	14	5/30/2003	HOU	@	CHC	W	1	1.00	1	0	0	9.0	2	1	1	1	1	0	0	0	30	1
5	Curt Schilling C. Schilling	14	5/14/2003	ARI	@	PHI	W	1	0.00	1	1	0	9.0	2	0	0	0	1	0	0	0	29	0
6	Javier Vazquez J. Vazquez	14	4/9/2003	MON	@	CHC	L	1	2.57	0	0	0	7.0	5	2	2	1	0	0	0	0	25	1
7	Mark Prior M. Prior	13	9/16/2003	CHC	vs	NYM	W	1	2.08	0	0	0	8.2	8	2	2	1	1	1	0	0	35	0
8	Oliver Perez O. Perez	13	8/3/2003	SDP	@	PHI		1	2.57	0	0	0	7.0	5	2	2	1	3	0	0	1	29	0
9	Jason Schmidt J. Schmidt	13	5/16/2003	SFG	vs	NYM		1	6.75	0	0	0	6.2	6	5	5	2	2	0	0	0	28	0
10	Kerry Wood K. Wood	13	5/15/2003	CHC	@	MIL		1	0.00	0	0	0	7.0	3	0	0	0	2	0	0	0	25	0
11	Kerry Wood K. Wood	13	4/12/2003	CHC	vs	PIT	W	1	0.00	0	0	0	8.0	3	0	0	0	4	0	0	0	30	0
12	Kerry Wood K. Wood	12	9/23/2003	CHC	@	CIN	W	1	0.00	0	0	0	7.0	1	0	0	0	4	0	0	0	27	0
13	Javier Vazquez J. Vazquez	12	9/18/2003	MON	@	NYM	W	1	0.00	0	0	0	7.0	3	0	0	0	0	0	0	0	25	0
14	Randy Johnson R. Johnson	12	9/14/2003	ARI	vs	COL	W	1	0.00	1	1	0	9.0	1	0	0	0	1	0	0	0	28	0
15	Jason Schmidt J. Schmidt	12	9/12/2003	SFG	vs	MIL	W	1	1.17	0	0	0	7.2	6	1	1	1	1	0	0	0	30	1
16	Curt Schilling C. Schilling	12	8/17/2003	ARI	@	ATL	W	1	0.00	0	0	0	8.0	1	0	0	0	2	0	0	0	27	0
17	Kerry Wood K. Wood	12	7/9/2003	CHC	vs	FLA	W	1	1.00	1	0	0	9.0	3	1	1	0	3	0	0	0	33	1
18	Joel Pineiro J. Pineiro	12	5/30/2003	SEA	@	MIN	W	1	0.00	1	1	0	9.0	4	0	0	0	2	0	0	0	32	0
19	Darren Dreifort D. Dreifort	12	5/22/2003	LAD	vs	COL	W	1	1.50	0	0	0	6.0	2	1	3	0	4	0	0	0	26	2
20	Mike Mussina M. Mussina	12	5/7/2003	NYY	@	SEA	W	1	2.25	0	0	0	8.0	5	2	2	1	0	0	0	0	28	0
21	Pedro Martinez P. Martinez	12	5/3/2003	BOS	vs	MIN	W	1	1.00	1	0	0	9.0	5	1	1	0	0	0	0	0	31	0
22	Jason Schmidt J. Schmidt	12	4/30/2003	SFG	vs	CHC	W	1	0.00	1	1	0	9.0	3	0	0	0	2	1	0	0	32	0
23	Javier Vazquez J. Vazquez	12	4/29/2003	MON	@	MIL		1	2.57	0	0	0	7.0	3	2	2	2	0	0	0	0	24	1
24	Randy Johnson R. Johnson	12	4/27/2003	ARI	@	NYM	W	1	3.00	0	0	0	6.0	9	2	2	0	0	0	0	0	27	0
25	Adam Eaton A. Eaton	12	4/23/2003	SDP	@	CHC	W	1	0.00	0	0	0	7.0	5	0	0	0	2	0	0	0	27	1