Jim Rooker ERA in 1980

• 6th-best of Jim Rooker's 13 seasons on file; the best is 2.78 in 1974.
• Down 1.10 from 4.60 in 1979.

Average of 13 regular seasons, 1968 through 1980. Figures come from ESPN's box scores and were last read on September 21, 2026.

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Jim Rooker ERA in 1980, 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.
1968	DET	2	0	0	3.86	4.2	4	1	1.07	0
1969	KC	28	4	16	3.75	158.1	108	73	1.32	0
1970	KC	38	10	15	3.54	203.2	117	102	1.43	1
1971	KC	20	2	7	5.33	54.0	31	24	1.54	0
1972	KC	18	5	6	4.38	72.0	44	24	1.42	0
1973	PIT	41	10	6	2.85	170.1	122	52	1.14	5
1974	PIT	33	15	11	2.78	262.2	139	83	1.18	0
1975	PIT	28	13	11	2.97	196.2	102	76	1.29	0
1976	PIT	30	15	8	3.35	198.2	92	72	1.37	1
1977	PIT	30	14	9	3.08	204.1	89	64	1.27	0
1978	PIT	28	9	11	4.24	163.1	76	81	1.48	0
1979	PIT	19	4	7	4.60	103.2	44	39	1.40	0
1980	PIT	4	2	2	3.50	18.0	8	12	1.56	0

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