Bob Kipper ERA in 1991

• 6th-best of Bob Kipper's 8 seasons on file; the best is 2.93 in 1989.
• Up 1.63 from 3.02 in 1990.

Average of 8 regular seasons, 1985 through 1992. Figures come from ESPN's box scores and were last read on September 23, 2026.

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Bob Kipper 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.
1985	LAA/PIT	7	1	3	7.07	28.0	13	10	1.36	0
1986	PIT	20	6	8	4.03	114.0	81	34	1.38	0
1987	PIT	24	5	9	5.94	110.2	83	52	1.53	0
1988	PIT	50	2	6	3.74	65.0	39	26	1.23	0
1989	PIT	52	3	4	2.93	83.0	58	33	1.06	4
1990	PIT	41	5	2	3.02	62.2	35	26	1.12	3
1991	PIT	52	2	2	4.65	60.0	38	22	1.47	4
1992	MIN	25	3	3	4.42	38.2	22	14	1.40	0

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