1909 AL Earned Run Average by Team
Every team's total, added up from its players' lines. Earned runs allowed per nine innings
The Philadelphia Athletics led the AL in earned run average in 1909, with 1.93, 0.12 ahead of the Chicago White Sox. The average across 8 AL teams is 2.48.
Led the AL in 1909
Philadelphia Athletics
153 games
1.93
Earned Run Average
0.12 clear of Chicago White Sox
| # | Team | G | ERA |
|---|---|---|---|
| 1 |
Philadelphia Athletics
|
153 | 1.93 |
| 2 |
 Chicago White Sox
|
159 | 2.05 |
| 3 |
 Detroit Tigers
|
158 | 2.26 |
| 4 |
 Cleveland Naps
|
155 | 2.40 |
| AL average | 2.48 | ||
| 5 |
 Boston Red Sox
|
152 | 2.59 |
| 6 |
 New York Highlanders
|
153 | 2.65 |
| 7 |
 St. Louis Browns
|
154 | 2.88 |
| 8 |
 Washington Senators
|
156 | 3.04 |
A team's total is its players' numbers for the club added up, so a player traded mid-season counts for each team only what he did there. Rates such as ERA and batting average are worked out from the team's summed totals, not averaged across players.