Hideki Irabu career ERA

• Best season on file: 4.06 in 1998.
• Most recent: 5.74 in 2002.

Average of 6 regular seasons, 1997 through 2002. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Hideki Irabu career ERA, 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	NYY	13	5	4	7.09	53.1	56	20	1.67	0
1998	NYY	29	13	9	4.06	173.0	126	76	1.29	0
1999	NYY	32	11	7	4.84	169.1	133	46	1.33	0
2000	WSH	11	2	5	7.24	54.2	42	14	1.66	0
2001	WSH	3	0	2	4.86	16.2	18	3	1.50	0
2002	TEX	38	3	8	5.74	47.0	30	16	1.43	16

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