1909 MLB Earned Run Average Leaders

Christy Mathewson led all of MLB in earned run average in 1909 with 1.14, 0.17 ahead of Mordecai Brown (1.31). It stands 10th among all single seasons in MLB history. It was one of 5 times Christy Mathewson led in earned run average.

Showing pitchers with at least 158.0 innings — the standard 1.0 inning per team game. Show all players

Led all of MLB in 1909 Christy Mathewson New York Giants

1.14 Earned Run Average 0.17 clear of Mordecai Brown

Showing Earned Run Average and the stats that give it context Full stat line

#	Player	Team	ERA	W	L	IP	WHIP
1	Christy Mathewson	NY1	1.14	25	6	275.1	0.83
2	Mordecai Brown	CHN	1.31	27	9	342.2	0.87
3	Harry Krause	PHA	1.39	18	8	213.0	0.94
4	Ed Walsh	CHA	1.41	15	11	230.1	0.94
5	Orval Overall	CHN	1.42	20	11	285.0	1.00
6	Howie Camnitz	PIT	1.62	25	6	283.0	0.97
7	Charles Bender	PHA	1.66	18	8	250.0	0.96
8	Addie Joss	CLE	1.71	14	13	242.2	0.94
9	Ed Killian	DET	1.71	11	9	173.1	1.15
10	Doc White	CHA	1.72	11	9	177.2	1.01
11	Eddie Plank	PHA	1.76	19	10	265.1	1.04
12	Ed Reulbach	CHN	1.78	19	10	262.2	1.05
13	Frank Smith	CHA	1.80	25	17	365.0	0.95
14	Cy Morgan	PHA +1	1.81	18	17	293.1	1.04
15	Joe Lake	NYA	1.88	14	11	215.1	1.11
16	Art Fromme	CIN	1.90	19	13	279.1	1.06
17	Bill Burns	CHA +1	1.92	8	14	197.1	1.15
18	Eddie Cicotte	BOS	1.94	14	5	162.1	1.07
19	Hooks Wiltse	NY1	2.00	20	11	269.1	1.04
20	Harry Gaspar	CIN	2.01	19	11	260.0	1.10
21	Earl Moore	PHI	2.10	18	12	299.2	1.15
22	Jack Powell	SLA	2.11	12	16	239.0	1.10
23	Frank Corridon	PHI	2.11	11	7	171.0	1.22
24	KB King Brockett	NYA	2.12	10	8	170.0	1.22
25	George McQuillan	PHI	2.14	13	16	247.2	1.03
26	Frank Arellanes	BOS	2.18	16	12	230.2	1.02
27	Smoky Joe Wood	BOS	2.18	11	7	160.2	1.02
28	Nick Maddox	PIT	2.21	13	8	203.1	1.04
29	Walter Johnson	WS1	2.22	13	25	296.1	1.12
30	George Mullin	DET	2.22	29	8	303.2	1.11
31	Vic Willis	PIT	2.24	22	11	289.2	1.13
32	Nap Rucker	BRO	2.24	13	19	309.1	1.12
33	Ed Summers	DET	2.24	19	9	281.2	1.05
34	Lew Richie	BSN +1	2.24	8	8	176.2	1.25
35	Cy Young	CLE	2.26	19	15	294.1	1.11
36	Jim Scott	CHA	2.30	12	12	250.1	1.15
37	Barney Pelty	SLA	2.30	11	11	199.1	1.06
38	Jack Coombs	PHA	2.32	12	11	205.2	1.11
39	Ed Willett	DET	2.34	21	10	292.2	1.08
40	Lefty Leifield	PIT	2.37	19	8	201.2	1.12
41	Rube Waddell	SLA	2.37	11	14	220.1	1.18
42	Jack Warhop	NYA	2.40	13	15	243.1	1.14
43	Cy Falkenberg	CLE	2.40	10	9	165.0	1.12
44	Slim Sallee	SLN	2.42	10	11	219.0	1.29
45	Bob Ewing	CIN	2.43	11	12	218.1	1.18
46	Jack Pfiester	CHN	2.43	17	6	196.2	1.16
47	Bill Bailey	SLA	2.44	9	10	199.0	1.25
48	Bugs Raymond	NY1	2.47	18	12	270.0	1.21
49	Rube Marquard	NY1	2.60	5	13	173.0	1.32
50	Lew Moren	PHI	2.65	16	15	257.2	1.24

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