Steve Rosenberg ERA in 1991

• Steve Rosenberg's highest ERA of the 4 seasons on file; the best is 4.30 in 1988.
• Up 1.54 from 5.40 in 1990.

Best of 4 regular seasons, 1988 through 1991. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Steve Rosenberg 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.
1988	CHW	33	0	1	4.30	46.0	28	19	1.57	1
1989	CHW	38	4	13	4.94	142.0	77	58	1.45	0
1990	CHW	6	1	0	5.40	10.0	4	5	1.50	0
1991	SD	10	1	1	6.94	11.2	6	5	1.37	0

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