Mike Flanagan career ERA

• Best season on file: 2.38 in 1991.
• Most recent: 8.05 in 1992.

Average of 18 regular seasons, 1975 through 1992. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Mike Flanagan career ERA, 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.
1975	BAL	2	0	1	2.79	9.2	7	6	1.55	0
1976	BAL	20	3	5	4.13	85.0	56	33	1.36	0
1977	BAL	36	15	10	3.64	235.0	149	70	1.30	1
1978	BAL	40	19	15	4.03	281.1	167	87	1.27	0
1979	BAL	39	23	9	3.08	265.2	190	70	1.19	0
1980	BAL	37	16	13	4.12	251.1	128	71	1.39	0
1981	BAL	20	9	6	4.19	116.0	72	37	1.25	0
1982	BAL	36	15	11	3.97	236.0	103	76	1.31	0
1983	BAL	20	12	4	3.30	125.1	50	31	1.32	0
1984	BAL	34	13	13	3.53	226.2	115	81	1.30	0
1985	BAL	15	4	5	5.13	86.0	42	28	1.50	0
1986	BAL	29	7	11	4.24	172.0	96	66	1.42	0
1987	BAL/TOR	23	6	8	4.06	144.0	93	51	1.38	0
1988	TOR	34	13	13	4.18	211.0	99	80	1.42	0
1989	TOR	30	8	10	3.93	171.2	47	47	1.36	0
1990	TOR	5	2	2	5.31	20.1	5	8	1.77	0
1991	BAL	64	2	7	2.38	98.1	55	25	1.11	3
1992	BAL	42	0	0	8.05	34.2	17	23	2.11	0

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