Herb Pennock career ERA

• Best season on file: 2.56 in 1928.
• Most recent: 3.05 in 1934.

Average of 22 regular seasons, 1912 through 1934. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Herb Pennock 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.
1912	ATH	17	1	2	4.50	50.0	38	30	1.56	2
1913	ATH	14	2	1	5.13	33.1	17	22	1.56	0
1914	ATH	28	11	4	2.79	151.2	90	65	1.33	3
1915	ATH/BOS	16	3	6	6.36	58.0	31	39	1.86	1
1916	BOS	9	0	2	3.04	26.2	12	8	1.16	1
1917	BOS	24	5	5	3.31	100.2	35	23	1.12	1
1919	BOS	32	16	8	2.71	219.0	70	48	1.24	0
1920	BOS	37	16	13	3.68	242.1	68	61	1.26	2
1921	BOS	32	12	14	4.04	222.2	91	59	1.47	0
1922	BOS	32	10	17	4.32	202.0	59	74	1.50	1
1923	NYY	35	19	6	3.13	238.1	93	68	1.27	3
1924	NYY	40	21	9	2.83	286.1	101	64	1.28	3
1925	NYY	47	16	17	2.96	277.0	88	71	1.22	2
1926	NYY	40	23	11	3.62	266.1	78	43	1.27	2
1927	NYY	34	19	8	3.00	209.2	51	48	1.30	2
1928	NYY	28	17	6	2.56	211.0	53	40	1.21	3
1929	NYY	27	9	11	4.92	157.1	49	28	1.48	2
1930	NYY	25	11	7	4.32	156.1	46	20	1.37	0
1931	NYY	25	11	6	4.28	189.1	65	30	1.46	0
1932	NYY	22	9	5	4.60	146.2	54	38	1.56	0
1933	NYY	23	7	4	5.54	65.0	22	21	1.80	4
1934	BOS	30	2	0	3.05	62.0	16	16	1.35	1

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