John Smoltz career ERA

• Best season on file: 1.12 in 2003.
• Most recent: 6.35 in 2009.

Average of 21 regular seasons, 1988 through 2009. Figures come from ESPN's box scores and were last read on September 23, 2026.

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John Smoltz 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.
1988	ATL	12	2	7	5.48	64.0	37	33	1.67	0
1989	ATL	29	12	11	2.94	208.0	168	72	1.12	0
1990	ATL	34	14	11	3.85	231.1	170	90	1.28	0
1991	ATL	36	14	13	3.80	229.2	148	77	1.23	0
1992	ATL	35	15	12	2.85	246.2	215	80	1.16	0
1993	ATL	35	15	11	3.62	243.2	208	100	1.26	0
1994	ATL	21	6	10	4.14	134.2	113	48	1.25	0
1995	ATL	29	12	7	3.18	192.2	193	72	1.24	0
1996	ATL	35	24	8	2.94	253.2	276	55	1.00	0
1997	ATL	35	15	12	3.02	256.0	241	63	1.16	0
1998	ATL	26	17	3	2.90	167.2	173	44	1.13	0
1999	ATL	29	11	8	3.19	186.1	156	40	1.12	0
2001	ATL	36	3	3	3.36	59.0	57	10	1.07	10
2002	ATL	75	3	2	3.25	80.1	85	24	1.03	55
2003	ATL	62	0	2	1.12	64.1	73	8	0.87	45
2004	ATL	73	0	1	2.76	81.2	85	13	1.08	44
2005	ATL	33	14	7	3.06	229.2	169	53	1.15	0
2006	ATL	35	16	9	3.49	232.0	211	55	1.19	0
2007	ATL	32	14	8	3.11	205.2	197	47	1.18	0
2008	ATL	6	3	2	2.57	28.0	36	8	1.18	0
2009	BOS/STL	15	3	8	6.35	78.0	73	18	1.45	0

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