Dave Heaverlo career saves

• Best season on file: 10 in 1978.
• Most recent: 0 in 1981.

Sum of 7 regular seasons, 1975 through 1981. Figures come from ESPN's box scores and were last read on September 23, 2026.

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Dave Heaverlo career saves, 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	SF	42	3	1	2.39	64.0	35	31	1.45	1
1976	SF	61	4	4	4.44	75.0	40	15	1.33	1
1977	SF	56	5	1	2.55	98.2	58	21	1.15	1
1978	ATH	69	3	6	3.25	130.0	71	41	1.40	10
1979	ATH	62	4	11	4.20	85.2	40	42	1.62	9
1980	SEA	60	6	3	3.89	78.2	42	35	1.40	4
1981	ATH	6	1	0	1.59	5.2	2	3	1.76	0

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