Gregg Olson ERA in 1998

• 5th-best of Gregg Olson's 14 seasons on file; the best is 1.60 in 1993.
• Down 2.57 from 5.58 in 1997.

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

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Gregg Olson ERA in 1998, 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	BAL	10	1	1	3.27	11.0	9	10	1.82	0
1989	BAL	64	5	2	1.69	85.0	90	46	1.21	27
1990	BAL	64	6	5	2.42	74.1	74	31	1.18	37
1991	BAL	72	4	6	3.18	73.2	72	29	1.40	31
1992	BAL	60	1	5	2.05	61.1	58	24	1.14	36
1993	BAL	50	0	2	1.60	45.0	44	18	1.22	29
1994	ATL	16	0	2	9.20	14.2	10	13	2.18	1
1995	CLE/KC	23	3	3	4.09	33.0	21	19	1.42	3
1996	DET/HOU	52	4	0	4.99	52.1	37	35	1.72	8
1997	KC/MIN	45	4	3	5.58	50.0	34	28	1.72	1
1998	ARI	64	3	4	3.01	68.2	55	25	1.18	30
1999	ARI	61	9	4	3.71	60.2	45	25	1.30	14
2000	LAD	13	0	1	5.09	17.2	15	7	1.58	0
2001	LAD	28	0	1	8.03	24.2	24	20	1.86	0

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