Ken Heintzelman ERA in 1952

• 3rd-best of Ken Heintzelman's 13 seasons on file; the best is 2.00 in 1937.
• Down 1.02 from 4.18 in 1951.

Figures come from ESPN's box scores and were last read on September 23, 2026.

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Ken Heintzelman ERA in 1952, 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.
1937	PIT	1	1	0	2.00	9.0	4	3	1.00	0
1938	PIT	1	0	0	9.00	2.0	1	3	2.00	0
1939	PIT	17	1	1	5.05	35.2	18	18	1.49	0
1940	PIT	39	8	8	4.47	165.0	71	65	1.56	3
1941	PIT	35	11	11	3.44	196.0	81	83	1.47	0
1942	PIT	27	8	11	4.57	130.0	39	63	1.58	0
1946	PIT	32	8	12	3.77	157.2	57	86	1.59	1
1947	PIT/PHI	26	7	10	4.50	140.0	57	52	1.46	1
1948	PHI	27	6	11	4.29	130.0	57	45	1.25	2
1949	PHI	33	17	10	3.02	250.0	65	93	1.33	0
1950	PHI	23	3	9	4.09	125.1	39	54	1.40	0
1951	PHI	35	6	12	4.18	118.1	55	53	1.45	2
1952	PHI	23	1	3	3.16	42.2	20	12	1.24	1

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