Bruce Chen career ERA

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4.62Career Regular Season

Bruce Chen has a career ERA of 4.62 over 17 regular seasons.

• Best season on file: 3.02 in 2004.
• Most recent: 12.79 in 2015.

Figures come from ESPN's box scores and were last read on September 23, 2026.

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Bruce Chen 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.
1998	ATL	4	2	0	3.98	20.1	17	9	1.57	0
1999	ATL	16	2	2	5.47	51.0	45	27	1.27	0
2000	ATL/PHI	37	7	4	3.29	134.0	112	46	1.21	0
2001	PHI/NYM	27	7	7	4.87	146.0	126	59	1.40	0
2002	NYM/WSH/CIN	55	2	5	5.56	77.2	80	43	1.65	0
2003	HOU/BOS	16	0	1	5.55	24.1	20	10	1.48	0
2004	BAL	8	2	1	3.02	47.2	32	16	1.15	0
2005	BAL	34	13	10	3.83	197.1	133	63	1.27	0
2006	BAL	40	0	7	6.93	98.2	70	35	1.74	0
2007	TEX	5	0	0	7.20	10.0	7	6	1.70	0
2009	KC	17	1	6	5.78	62.1	45	25	1.59	0
2010	KC	33	12	7	4.17	140.1	98	57	1.38	1
2011	KC	25	12	8	3.77	155.0	97	50	1.30	0
2012	KC	34	11	14	5.07	191.2	140	47	1.37	0
2013	KC	34	9	4	3.27	121.0	78	36	1.18	0
2014	KC	13	2	4	7.45	48.1	36	16	1.76	0
2015	CLE	2	0	1	12.79	6.1	4	1	2.84	0

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