Jimmy Anderson ERA in 2004

• 3rd-best of Jimmy Anderson's 6 seasons on file; the best is 3.99 in 1999.
• Down 3.67 from 8.84 in 2003.

Average of 6 regular seasons, 1999 through 2004. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Jimmy Anderson 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.
1999	PIT	13	2	1	3.99	29.1	13	16	1.40	0
2000	PIT	27	5	11	5.25	144.0	73	58	1.58	0
2001	PIT	34	9	17	5.10	206.1	89	83	1.53	0
2002	PIT	28	8	13	5.44	140.2	47	63	1.64	0
2003	CIN	8	1	5	8.84	38.2	13	14	1.91	0
2004	CHC/BOS	12	0	0	5.17	15.2	6	6	1.60	1

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