Kerry Wood struck out the most batters in 2003, with 266 strikeouts.

	NAME	SO	SEASON	TM	G	W	L	W%	GS	ERA	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	Kerry Wood K. Wood	266	2003	CHC	32	14	11	.560	32	3.20	4	2	0	211.0	152	75	77	24	100	21	0	2	887	10	11.35	4.27	2.66	1.02	30.0	11.3	1.19	.269	3.28	75	3.70	85	6.48	15.8
2	Mark Prior M. Prior	245	2003	CHC	30	18	6	.750	30	2.43	3	1	0	211.1	183	57	67	15	50	9	0	4	863	9	10.43	2.13	4.90	0.64	28.4	5.8	1.10	.309	2.85	57	2.47	56	7.79	44.5
3	Javier Vazquez J. Vazquez	241	2003	MON	34	13	12	.520	34	3.24	4	1	0	230.2	198	83	93	28	57	4	0	5	938	11	9.40	2.22	4.23	1.09	25.7	6.1	1.11	.280	3.63	73	3.31	75	7.73	28.2
4	Jason Schmidt J. Schmidt	208	2003	SFG	29	17	5	.773	29	2.34	5	3	0	207.2	152	54	56	14	46	5	0	1	819	7	9.01	1.99	4.52	0.61	25.4	5.6	0.95	.253	2.43	56	2.63	63	6.59	36.3
5	Esteban Loaiza E. Loaiza	207	2003	CWS	34	21	9	.700	34	2.90	1	0	0	226.1	196	73	75	17	56	10	0	2	922	3	8.23	2.23	3.70	0.68	22.5	6.1	1.11	.283	2.98	63	3.05	65	7.79	39.7
6	Pedro Martinez P. Martinez	206	2003	BOS	29	14	4	.778	29	2.22	3	0	0	186.2	147	46	52	7	47	9	0	0	749	5	9.93	2.27	4.38	0.34	27.5	6.3	1.04	.292	2.51	48	2.21	50	7.09	45.7
7	Roy Halladay R. Halladay	204	2003	TOR	36	22	7	.759	36	3.25	9	2	0	266.0	253	96	111	26	32	9	0	1	1,071	6	6.90	1.08	6.38	0.88	19.0	3.0	1.07	.284	3.76	70	3.22	71	8.56	38.6
8	Mike Mussina M. Mussina	195	2003	NYY	31	17	8	.680	31	3.40	2	1	0	214.2	192	81	86	21	40	3	0	4	855	4	8.18	1.68	4.88	0.88	22.8	4.7	1.08	.287	3.61	76	3.08	69	8.05	32.9
9	Curt Schilling C. Schilling	194	2003	ARI	24	8	9	.471	24	2.95	3	2	0	168.0	144	55	58	17	32	3	0	2	673	4	10.39	1.71	6.06	0.91	28.8	4.8	1.05	.297	3.11	66	2.66	59	7.71	33
10	Roger Clemens R. Clemens	190	2003	NYY	33	17	9	.654	33	3.91	1	1	0	211.2	199	92	99	24	58	5	0	1	878	5	8.08	2.47	3.28	1.02	21.6	6.6	1.21	.291	4.21	87	3.60	81	8.46	20.3
11	Kevin Brown K. Brown	185	2003	LAD	32	14	9	.609	32	2.39	0	0	0	211.0	184	56	67	11	56	5	0	2	856	5	7.89	2.39	3.30	0.47	21.6	6.5	1.14	.289	2.86	59	2.82	66	7.85	34.8
12	Andy Pettitte A. Pettitte	180	2003	NYY	33	21	8	.724	33	4.02	1	0	0	208.1	227	93	109	21	50	1	0	3	896	5	7.78	2.16	3.60	0.91	20.1	5.6	1.33	.320	4.71	90	3.34	75	9.81	25.9
13	Livan Hernandez L. Hernandez	178	2003	MON	33	15	10	.600	33	3.20	8	0	0	233.1	225	83	92	27	57	10	0	3	967	6	6.87	2.20	3.12	1.04	18.4	5.9	1.21	.285	3.55	73	3.86	87	8.68	14.3
14	Hideo Nomo H. Nomo	177	2003	LAD	33	16	13	.552	33	3.09	2	2	0	218.1	175	75	82	24	98	1	0	6	897	11	7.30	4.04	1.81	0.99	19.7	10.9	1.25	.253	3.38	77	4.19	98	7.21	2.3
15	Randy Wolf R. Wolf	177	2003	PHI	33	16	10	.615	33	4.23	2	2	0	200.0	176	94	101	27	78	6	0	4	850	6	7.97	3.51	2.27	1.21	20.8	9.2	1.27	.265	4.55	101	4.27	101	7.92	-0.7
16	Bartolo Colon B. Colon	173	2003	CWS	34	15	13	.536	34	3.87	9	0	0	242.0	223	104	107	30	67	5	0	3	984	8	6.43	2.49	2.58	1.12	17.6	6.8	1.20	.272	3.98	84	4.10	88	8.29	15.5
17	Brandon Webb B. Webb	172	2003	ARI	29	10	9	.526	28	2.84	1	1	0	180.2	140	57	65	12	68	13	1	4	750	9	8.57	3.39	2.53	0.60	22.9	9.1	1.15	.264	3.24	63	3.33	75	6.97	22.3
18	Matt Clement M. Clement	171	2003	CHC	32	14	12	.538	32	4.11	2	1	0	201.2	169	92	100	22	79	14	0	2	851	13	7.63	3.53	2.16	0.98	20.1	9.3	1.23	.260	4.46	96	4.13	94	7.54	5.6
19	Kevin Millwood K. Millwood	169	2003	PHI	35	14	12	.538	35	4.01	5	3	0	222.0	210	99	103	19	68	4	0	6	930	2	6.85	2.76	2.49	0.77	18.2	7.3	1.25	.285	4.18	96	3.59	84	8.51	16.4
20	Johan Santana J. Santana	169	2003	MIN	45	12	3	.800	18	3.07	0	0	0	158.1	127	54	56	17	47	3	7	1	644	6	9.61	2.67	3.60	0.97	26.2	7.3	1.10	.270	3.18	67	3.23	75	7.22	19.6
21	Tim Wakefield T. Wakefield	169	2003	BOS	35	11	7	.611	33	4.09	0	0	1	202.1	193	92	106	23	71	12	2	0	872	8	7.52	3.16	2.38	1.02	19.4	8.1	1.30	.285	4.71	89	4.06	93	8.58	6.9
22	Carlos Zambrano C. Zambrano	168	2003	CHC	32	13	11	.542	32	3.11	3	1	0	214.0	188	74	88	9	94	10	0	12	907	6	7.07	3.95	1.79	0.38	18.5	10.4	1.32	.286	3.70	73	3.46	79	7.91	21.7
23	Tim Hudson T. Hudson	162	2003	OAK	34	16	7	.696	34	2.70	3	2	0	240.0	197	72	84	15	61	10	0	9	967	6	6.08	2.29	2.66	0.56	16.8	6.3	1.08	.253	3.15	60	3.37	75	7.39	29.9
24	Wade Miller W. Miller	161	2003	HOU	33	14	13	.519	33	4.13	1	0	0	187.1	168	86	96	17	77	10	0	1	797	4	7.73	3.70	2.09	0.82	20.2	9.7	1.31	.284	4.61	95	3.88	89	8.07	10.4
25	Kelvim Escobar K. Escobar	159	2003	TOR	41	13	9	.591	26	4.29	1	1	4	180.1	189	86	94	15	78	9	12	3	797	9	7.94	3.89	2.04	0.75	19.9	9.8	1.48	.325	4.69	92	3.79	83	9.43	15.1