Oswaldo Mairena ERA in 2002

• Down 12.65 from 18.00 in 2000.

Lowest of 2 regular seasons, 2000 through 2002. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Oswaldo Mairena ERA in 2002, 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.
2000	CHC	2	0	0	18.00	2.0	0	2	4.50	0
2002	MIA	31	2	3	5.35	33.2	21	12	1.49	0

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