Bert Blyleven ERA in 1989

• 4th-best of Bert Blyleven's 22 seasons on file; the best is 2.52 in 1973.
• Down 2.70 from 5.43 in 1988.

Lowest of 22 regular seasons, 1970 through 1992. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Bert Blyleven ERA in 1989, 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.
1970	MIN	27	10	9	3.18	164.0	135	47	1.16	0
1971	MIN	38	16	15	2.81	278.1	224	59	1.17	0
1972	MIN	39	17	17	2.73	287.1	228	69	1.10	0
1973	MIN	40	20	17	2.52	325.0	258	67	1.12	0
1974	MIN	37	17	17	2.66	281.0	249	77	1.14	0
1975	MIN	35	15	10	3.00	275.2	233	84	1.10	0
1976	MIN/TEX	36	13	16	2.87	297.2	219	81	1.22	0
1977	TEX	30	14	12	2.72	234.2	182	69	1.07	0
1978	PIT	34	14	10	3.03	243.2	182	66	1.16	0
1979	PIT	37	12	5	3.60	237.1	172	92	1.39	0
1980	PIT	34	8	13	3.82	216.2	168	59	1.28	0
1981	CLE	20	11	7	2.88	159.1	107	40	1.16	0
1982	CLE	4	2	2	4.87	20.1	19	11	1.33	0
1983	CLE	24	7	10	3.91	156.1	123	44	1.30	0
1984	CLE	33	19	7	2.87	245.0	170	74	1.13	0
1985	CLE/MIN	37	17	16	3.16	293.2	206	75	1.15	0
1986	MIN	36	17	14	4.01	271.2	215	58	1.18	0
1987	MIN	37	15	12	4.01	267.0	196	101	1.31	0
1988	MIN	33	10	17	5.43	207.1	145	51	1.40	0
1989	LAA	33	17	5	2.73	241.0	131	44	1.12	0
1990	LAA	23	8	7	5.24	134.0	69	25	1.40	0
1992	LAA	25	8	12	4.74	133.0	70	29	1.35	0

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