Antonio Osuna ERA in 2004

• 2nd-best of Antonio Osuna's 11 seasons on file; the best is 2.19 in 1997.
• Down 1.28 from 3.73 in 2003.

Lowest of 11 regular seasons, 1995 through 2005. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Antonio Osuna 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.
1995	LAD	39	2	4	4.43	44.2	46	20	1.32	0
1996	LAD	73	9	6	3.00	84.0	85	32	1.15	4
1997	LAD	48	3	4	2.19	61.2	68	19	1.05	0
1998	LAD	54	7	1	3.06	64.2	72	32	1.27	6
1999	LAD	5	0	0	7.71	4.2	5	3	1.50	0
2000	LAD	46	3	6	3.74	67.1	70	35	1.37	0
2001	CHW	4	0	0	20.77	4.1	6	2	2.31	0
2002	CHW	59	8	2	3.86	67.2	66	28	1.36	11
2003	NYY	48	2	5	3.73	50.2	47	20	1.54	0
2004	SD	31	2	1	2.45	36.2	36	11	1.17	0
2005	WSH	4	0	0	42.43	2.1	0	7	6.86	0

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