Roger Clemens ERA in 2004

• 12th-best of Roger Clemens' 24 seasons on file; the best is 1.87 in 2005.
• Down 0.93 from 3.91 in 2003.

Average of 24 regular seasons, 1984 through 2007. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Roger Clemens ERA in 2004, season by season

Season↓	Team↓	GP↓iGP: Games the player appeared in, however briefly.	W↓iW: Games in which this pitcher was credited with the win.	L↓iL: Games in which this pitcher was charged with the loss.	ERA↓iERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.	IP↓iIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.	K↓iK: Batters this pitcher struck out.	BB↓iBB: Times the batter reached first base on four balls.	WHIP↓iWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.	SV↓iSV: Games finished by protecting a narrow lead to the last out.
1984	BOS	21	9	4	4.32	133.1	126	29	1.31	0
1985	BOS	15	7	5	3.29	98.1	74	37	1.22	0
1986	BOS	33	24	4	2.48	254.0	238	67	0.97	0
1987	BOS	36	20	9	2.97	281.2	256	83	1.18	0
1988	BOS	35	18	12	2.93	264.0	291	62	1.06	0
1989	BOS	35	17	11	3.13	253.1	230	93	1.22	0
1990	BOS	31	21	6	1.93	228.1	209	54	1.08	0
1991	BOS	35	18	10	2.62	271.1	241	65	1.05	0
1992	BOS	32	18	11	2.41	246.2	208	62	1.07	0
1993	BOS	29	11	14	4.46	191.2	160	67	1.26	0
1994	BOS	24	9	7	2.85	170.2	168	71	1.14	0
1995	BOS	23	10	5	4.18	140.0	132	60	1.44	0
1996	BOS	34	10	13	3.63	242.2	257	106	1.33	0
1997	TOR	34	21	7	2.05	264.0	292	68	1.03	0
1998	TOR	33	20	6	2.65	234.2	271	88	1.10	0
1999	NYY	30	14	10	4.60	187.2	163	90	1.47	0
2000	NYY	32	13	8	3.70	204.1	188	84	1.31	0
2001	NYY	33	20	3	3.51	220.1	213	72	1.26	0
2002	NYY	29	13	6	4.35	180.0	192	63	1.31	0
2003	NYY	33	17	9	3.91	211.2	190	58	1.21	0
2004	HOU	33	18	4	2.98	214.1	218	79	1.16	0
2005	HOU	32	13	8	1.87	211.1	185	62	1.01	0
2006	HOU	19	7	6	2.30	113.1	102	29	1.04	0
2007	NYY	18	6	6	4.18	99.0	68	31	1.31	0

What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV