Yasuhiko Yabuta ERA in 2009

• Up 8.72 from 4.78 in 2008.

Best of 2 regular seasons, 2008 through 2009. Figures come from ESPN's box scores and were last read on September 23, 2026.

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Yasuhiko Yabuta ERA in 2009, 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.
2008	KC	31	1	3	4.78	37.2	25	17	1.54	0
2009	KC	12	2	1	13.50	14.0	9	7	2.57	0

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