Al Severinsen career ERA

• Best season on file: 2.29 in 1969.
• Most recent: 2.53 in 1972.

Average of 3 regular seasons, 1969 through 1972. Figures come from ESPN's box scores and were last read on September 23, 2026.

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Al Severinsen 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.
1969	BAL	12	1	1	2.29	19.2	13	10	1.22	0
1971	SD	59	2	5	3.47	70.0	31	30	1.53	8
1972	SD	17	0	1	2.53	21.1	9	7	0.94	1

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