Jim Konstanty career ERA

• Best season on file: 0.93 in 1948.
• Most recent: 4.65 in 1956.

Average of 11 regular seasons, 1944 through 1956. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Jim Konstanty 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.
1944	CIN	20	6	4	2.80	112.2	19	33	1.30	0
1946	ATL	10	0	1	5.28	15.1	9	7	1.57	0
1948	PHI	6	1	0	0.93	9.2	7	2	0.93	2
1949	PHI	53	9	5	3.25	97.0	43	29	1.31	7
1950	PHI	74	16	7	2.66	152.0	56	50	1.04	22
1951	PHI	58	4	11	4.05	115.2	27	31	1.37	9
1952	PHI	42	5	3	3.94	80.0	16	21	1.35	6
1953	PHI	48	14	10	4.43	170.2	45	42	1.41	5
1954	PHI/NYY	42	3	4	3.01	68.2	14	18	1.33	5
1955	NYY	45	7	2	2.32	73.2	19	24	1.25	11
1956	NYY/STL	35	1	1	4.65	50.1	13	12	1.45	7

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