Mike Porzio ERA in 2003

• 2nd-best of Mike Porzio's 3 seasons on file; the best is 4.81 in 2002.
• Up 1.62 from 4.81 in 2002.

Average of 3 regular seasons, 1999 through 2003. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Mike Porzio ERA in 2003, 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	COL	16	0	0	8.59	14.2	10	10	2.11	0
2002	CHW	32	2	2	4.81	43.0	33	23	1.47	0
2003	CHW	3	1	1	6.43	14.0	9	1	1.36	0

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