Justin Thompson career ERA

• Best season on file: 3.02 in 1997.
• Most recent: 21.60 in 2005.

Figures come from ESPN's box scores and were last read on September 22, 2026.

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Justin Thompson career ERA, 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.
1996	DET	11	1	6	4.58	59.0	44	31	1.58	0
1997	DET	32	15	11	3.02	223.1	151	66	1.14	0
1998	DET	34	11	15	4.05	222.0	149	79	1.38	0
1999	DET	24	9	11	5.11	142.2	83	59	1.48	0
2005	TEX	2	0	0	21.60	1.2	1	0	2.40	0

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