1920 MLB Postseason Earned Run Average Leaders
Earned runs allowed per nine innings
Duster Mails led the 1920 postseason in earned run average with 0.00, 0.53 ahead of Sherry Smith (0.53). It is the best single-season earned run average mark in MLB Postseason history.
Showing pitchers with at least 10.0 innings — 10 innings in the postseason. Show all players
Led the postseason in 1920
Duster Mails
Cleveland Indians
0.00
Earned Run Average
0.53 clear of Sherry Smith
Showing Earned Run Average and the stats that give it context
Full stat line
| # | Player | Team | ERA | W | L | G |
|---|---|---|---|---|---|---|
| 1 |
 Duster Mails
|
CLE | 0.00 | 1 | 0 | 2 |
| 2 |
 Sherry Smith
|
BRO | 0.53 | 1 | 1 | 2 |
| 3 |
 Stan Coveleski
|
CLE | 0.67 | 3 | 0 | 3 |
| 4 |
 Jim Bagby
|
CLE | 1.80 | 1 | 1 | 2 |
| 5 |
 Burleigh Grimes
|
BRO | 4.19 | 1 | 2 | 3 |