Jon Lieber ERA in 2005

• 8th-best of Jon Lieber's 14 seasons on file; the best is 3.70 in 2002.
• Down 0.13 from 4.33 in 2004.

Average of 14 regular seasons, 1994 through 2008. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Jon Lieber ERA in 2005, 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.
1994	PIT	17	6	7	3.73	108.2	71	25	1.30	0
1995	PIT	21	4	7	6.32	72.2	45	14	1.61	0
1996	PIT	51	9	5	3.99	142.0	94	28	1.30	1
1997	PIT	33	11	14	4.49	188.1	160	51	1.30	0
1998	PIT	29	8	14	4.11	171.0	138	40	1.30	1
1999	CHC	31	10	11	4.07	203.1	186	46	1.34	0
2000	CHC	35	12	11	4.41	251.0	192	54	1.20	0
2001	CHC	34	20	6	3.80	232.1	148	41	1.15	0
2002	CHC	21	6	8	3.70	141.0	87	12	1.17	0
2004	NYY	27	14	8	4.33	176.2	102	18	1.32	0
2005	PHI	35	17	13	4.20	218.1	149	41	1.21	0
2006	PHI	27	9	11	4.93	168.0	100	24	1.31	0
2007	PHI	14	3	6	4.73	78.0	54	22	1.45	0
2008	CHC	26	2	3	4.05	46.2	27	6	1.39	0

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