Shigetoshi Hasegawa ERA in 2004

• Shigetoshi Hasegawa's highest ERA of the 9 seasons on file; the best is 1.48 in 2003.
• Up 3.68 from 1.48 in 2003.

Best of 9 regular seasons, 1997 through 2005. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Shigetoshi Hasegawa 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.
1997	LAA	50	3	7	3.93	116.2	83	46	1.41	0
1998	LAA	61	8	3	3.14	97.1	73	32	1.21	5
1999	LAA	64	4	6	4.91	77.0	44	34	1.48	2
2000	LAA	66	10	5	3.48	95.2	59	38	1.44	9
2001	LAA	46	5	6	4.04	55.2	41	20	1.29	0
2002	SEA	53	8	3	3.20	70.1	39	30	1.28	1
2003	SEA	63	2	4	1.48	73.0	32	18	1.10	16
2004	SEA	68	4	6	5.16	68.0	46	31	1.44	0
2005	SEA	46	1	3	4.19	66.2	30	16	1.23	0

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