Jim Willoughby ERA in 1978

• 4th-best of Jim Willoughby's 8 seasons on file; the best is 2.36 in 1972.
• Down 1.08 from 4.94 in 1977.

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

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Jim Willoughby ERA in 1978, 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.
1971	SF	2	0	1	9.00	4.0	3	1	2.25	0
1972	SF	11	6	4	2.36	87.2	40	14	0.98	0
1973	SF	39	4	5	4.68	123.0	60	37	1.42	1
1974	SF	18	1	4	4.65	40.2	12	9	1.48	0
1975	BOS	24	5	2	3.54	48.1	29	16	1.28	8
1976	BOS	54	3	12	2.82	99.0	37	31	1.26	10
1977	BOS	31	6	2	4.94	54.2	33	18	1.32	2
1978	CHW	59	1	6	3.86	93.1	36	19	1.22	13

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