Randy Johnson fanned the most batters in 2004, with 290 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	Randy Johnson R. Johnson	290	2004	ARI	35	16	14	.533	35	2.60	4	2	0	245.2	177	71	88	18	44	10	0	1	964	3	10.62	1.61	6.59	0.66	30.1	4.6	0.90	.264	3.22	57	2.29	51	6.48	59.7
2	Johan Santana J. Santana	265	2004	MIN	34	20	6	.769	34	2.61	1	1	0	228.0	156	66	70	24	54	9	0	0	881	7	10.46	2.13	4.91	0.95	30.1	6.1	0.92	.250	2.76	56	2.91	66	6.16	38.1
3	Ben Sheets B. Sheets	264	2004	MIL	34	12	14	.462	34	2.70	5	0	0	237.0	201	71	85	25	32	4	0	1	937	8	10.03	1.22	8.25	0.95	28.2	3.4	0.98	.288	3.23	63	2.64	59	7.63	47.2
4	Jason Schmidt J. Schmidt	251	2004	SFG	32	18	7	.720	32	3.20	4	3	0	225.0	165	80	84	18	77	3	0	3	907	7	10.04	3.08	3.26	0.72	27.7	8.5	1.08	.263	3.36	75	2.92	69	6.60	33.7
5	Oliver Perez O. Perez	239	2004	PIT	30	12	10	.545	30	2.98	2	1	0	196.0	145	65	71	22	81	9	0	2	805	2	10.97	3.72	2.95	1.01	29.7	10.1	1.15	.271	3.26	69	3.44	79	6.66	20.1
6	Pedro Martinez P. Martinez	227	2004	BOS	33	16	9	.640	33	3.90	1	1	0	217.0	193	94	99	26	61	16	0	0	903	2	9.41	2.53	3.72	1.08	25.1	6.8	1.17	.291	4.11	83	3.57	81	8.00	19.9
7	Roger Clemens R. Clemens	218	2004	HOU	33	18	4	.818	33	2.98	0	0	0	214.1	169	71	76	15	79	6	0	5	878	5	9.15	3.32	2.76	0.63	24.8	9.0	1.16	.275	3.19	69	3.11	70	7.10	31.7
8	Roy Oswalt R. Oswalt	206	2004	HOU	36	20	10	.667	35	3.49	2	2	0	237.0	233	92	100	17	62	11	0	5	983	5	7.82	2.35	3.32	0.65	21.0	6.3	1.24	.314	3.80	80	3.16	71	8.85	33.6
9	Curt Schilling C. Schilling	203	2004	BOS	32	21	6	.778	32	3.26	3	0	0	226.2	206	82	84	23	35	5	0	0	910	3	8.06	1.39	5.80	0.91	22.3	3.8	1.06	.284	3.34	69	3.10	71	8.18	33.1
10	Kelvim Escobar K. Escobar	191	2004	ANA	33	11	12	.478	33	3.93	0	0	0	208.1	192	91	91	21	76	7	0	2	878	9	8.25	3.28	2.51	0.91	21.8	8.7	1.29	.293	3.93	88	3.71	84	8.29	16.7
11	Matt Clement M. Clement	190	2004	CHC	30	9	13	.409	30	3.68	0	0	0	181.0	155	74	79	23	77	12	0	4	775	14	9.45	3.83	2.47	1.14	24.5	9.9	1.28	.279	3.93	85	4.07	91	7.71	8.4
12	Carlos Zambrano C. Zambrano	188	2004	CHC	31	16	8	.667	31	2.75	1	1	0	209.2	174	64	73	14	81	20	0	4	887	6	8.07	3.48	2.32	0.60	21.2	9.1	1.22	.274	3.13	63	3.56	79	7.47	21.4
13	Livan Hernandez L. Hernandez	186	2004	MON	35	11	15	.423	35	3.60	9	2	0	255.0	234	102	105	26	83	10	0	9	1,053	1	6.56	2.93	2.24	0.92	17.7	7.9	1.24	.278	3.71	81	4.00	89	8.26	13.8
14	Freddy Garcia F. Garcia	184	2004	TOT	31	13	11	.542	31	3.81	1	0	0	210.0	192	89	92	22	64	7	0	3	878	8	7.89	2.74	2.88	0.94	21.0	7.3	1.22	.283	3.94	83	3.66	80	8.23	21.4
15	Jake Peavy J. Peavy	173	2004	SDP	27	15	6	.714	27	2.27	0	0	0	166.1	146	42	49	13	53	11	0	4	694	1	9.36	2.87	3.26	0.70	24.9	7.6	1.20	.300	2.65	57	3.13	74	7.90	20.8
16	Jeremy Bonderman J. Bonderman	168	2004	DET	33	11	13	.458	32	4.89	2	2	0	184.0	168	100	101	24	73	10	0	5	793	7	8.22	3.57	2.30	1.17	21.2	9.2	1.31	.278	4.94	109	4.26	95	8.22	4.3
17	Ted Lilly T. Lilly	168	2004	TOR	32	12	10	.545	32	4.06	2	1	0	197.1	171	89	92	26	89	6	0	2	845	6	7.66	4.06	1.89	1.19	19.9	10.5	1.32	.261	4.20	85	4.49	98	7.80	2.6
18	Rich Harden R. Harden	167	2004	OAK	31	11	7	.611	31	3.99	0	0	0	189.2	171	84	90	16	81	3	0	6	803	4	7.92	3.84	2.06	0.76	20.8	10.1	1.33	.289	4.27	87	3.70	82	8.11	17.2
19	Doug Davis D. Davis	166	2004	MIL	34	12	12	.500	34	3.39	0	0	0	207.1	192	78	84	14	79	7	0	3	880	4	7.21	3.43	2.10	0.61	18.9	9.0	1.31	.290	3.65	79	3.56	80	8.33	20.2
20	Mark Buehrle M. Buehrle	165	2004	CWS	35	16	10	.615	35	3.89	4	1	0	245.1	257	106	119	33	51	8	0	2	1,016	0	6.05	1.87	3.24	1.21	16.2	5.0	1.26	.295	4.37	82	4.17	88	9.43	15.6
21	Brandon Webb B. Webb	164	2004	ARI	35	7	16	.304	35	3.59	1	0	0	208.0	194	83	111	17	119	11	0	11	933	17	7.10	5.15	1.38	0.74	17.6	12.8	1.50	.285	4.80	79	4.40	97	8.39	3.2
22	Barry Zito B. Zito	163	2004	OAK	34	11	11	.500	34	4.48	0	0	0	213.0	216	106	116	28	81	9	0	2	926	4	6.89	3.42	2.01	1.18	17.6	8.7	1.39	.291	4.90	98	4.49	99	9.13	0.8
23	Cliff Lee C. Lee	161	2004	CLE	33	14	8	.636	33	5.43	0	0	0	179.0	188	108	113	30	81	11	0	1	802	6	8.09	4.07	1.99	1.51	20.1	10.1	1.50	.304	5.68	121	4.96	113	9.45	-12.1
24	Eric Milton E. Milton	161	2004	PHI	34	14	6	.700	34	4.75	0	0	0	201.0	196	106	110	43	75	1	0	6	862	3	7.21	3.36	2.15	1.93	18.7	8.7	1.35	.263	4.93	108	5.35	118	8.78	-17.6
25	Jaret Wright J. Wright	159	2004	ATL	32	15	8	.652	32	3.28	0	0	0	186.1	168	68	79	11	70	3	0	5	781	3	7.68	3.38	2.27	0.53	20.4	9.0	1.28	.292	3.82	77	3.28	75	8.11	22.5