Al Leiter ERA in 2003

• 10th-best of Al Leiter's 19 seasons on file; the best is 0.00 in 1990.
• Up 0.51 from 3.48 in 2002.

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

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Al Leiter ERA in 2003, 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.
1987	NYY	4	2	2	6.35	22.2	28	15	1.72	0
1988	NYY	14	4	4	3.92	57.1	60	33	1.43	0
1989	NYY/TOR	5	1	2	5.67	33.1	26	23	1.65	0
1990	TOR	4	0	0	0.00	6.1	5	2	0.47	0
1991	TOR	3	0	0	27.00	1.2	1	5	4.80	0
1992	TOR	1	0	0	9.00	1.0	0	2	3.00	0
1993	TOR	34	9	6	4.11	105.0	66	56	1.42	2
1994	TOR	20	6	7	5.08	111.2	100	65	1.70	0
1995	TOR	28	11	11	3.64	183.0	153	108	1.48	0
1996	MIA	33	16	12	2.93	215.1	200	119	1.26	0
1997	MIA	27	11	9	4.34	151.1	132	91	1.48	0
1998	NYM	28	17	6	2.47	193.0	174	71	1.15	0
1999	NYM	32	13	12	4.23	213.0	162	93	1.42	0
2000	NYM	31	16	8	3.20	208.0	200	76	1.21	0
2001	NYM	29	11	11	3.31	187.1	142	46	1.20	0
2002	NYM	33	13	13	3.48	204.1	172	69	1.29	0
2003	NYM	30	15	9	3.99	180.2	139	94	1.49	0
2004	NYM	30	10	8	3.21	173.2	117	97	1.35	0
2005	MIA/NYY	33	7	12	6.13	142.1	97	98	1.77	0

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