Mark Thurmond ERA in 1990

• 3rd-best of Mark Thurmond's 8 seasons on file; the best is 2.65 in 1983.
• Down 0.56 from 3.90 in 1989.

Average of 8 regular seasons, 1983 through 1990. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Mark Thurmond ERA in 1990, 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.
1983	SD	21	7	3	2.65	115.1	49	33	1.19	0
1984	SD	32	14	8	2.97	178.2	57	55	1.28	0
1985	SD	36	7	11	3.97	138.1	57	44	1.43	2
1986	SD/DET	42	7	8	4.56	122.1	49	44	1.50	3
1987	DET	48	0	1	4.23	61.2	21	24	1.74	5
1988	BAL	43	1	8	4.58	74.2	29	27	1.43	3
1989	BAL	49	2	4	3.90	90.0	34	17	1.32	4
1990	SF	43	2	3	3.34	56.2	24	18	1.25	4

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