Dan Petry ERA in 1991

• 11th-best of Dan Petry's 13 seasons on file; the best is 3.00 in 1981.
• Up 0.52 from 4.45 in 1990.

Figures come from ESPN's box scores and were last read on September 21, 2026.

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Dan Petry ERA in 1991, 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.
1979	DET	15	6	5	3.95	98.0	43	33	1.26	0
1980	DET	27	10	9	3.94	164.2	88	83	1.45	0
1981	DET	23	10	9	3.00	141.0	79	57	1.22	0
1982	DET	35	15	9	3.22	246.0	132	100	1.30	0
1983	DET	38	19	11	3.92	266.1	122	99	1.33	0
1984	DET	35	18	8	3.24	233.1	144	66	1.27	0
1985	DET	34	15	13	3.36	238.2	109	81	1.14	0
1986	DET	20	5	10	4.66	116.0	56	53	1.51	0
1987	DET	30	9	7	5.61	134.2	93	76	1.66	0
1988	LAA	22	3	9	4.38	139.2	64	59	1.42	0
1989	LAA	19	3	2	5.47	51.0	21	23	1.49	0
1990	DET	32	10	9	4.45	149.2	73	77	1.50	0
1991	DET/BOS/ATL	40	2	3	4.97	101.1	39	45	1.59	1

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