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1901 MLB Earned Run Average by Team

Every team's total, added up from its players' lines. Earned runs allowed per nine innings

The Pittsburgh Pirates led all of MLB in earned run average in 1901, with 2.58, 0.29 ahead of the Philadelphia Phillies. The average across 16 MLB teams is 3.49.

Led all of MLB in 1901 Pittsburgh Pirates 140 games
2.58 Earned Run Average 0.29 clear of Philadelphia Phillies
# Team League G ERA
1 Pittsburgh Pirates NL 140 2.58
2 Philadelphia Phillies NL 140 2.87
3 Boston Beaneaters NL 140 2.90
4 Chicago White Sox AL 137 2.98
5 Boston Americans AL 138 3.04
6 Brooklyn Superbas NL 137 3.14
7 Detroit Tigers AL 135 3.30
8 Chicago Orphans NL 140 3.33
MLB average 3.49
9 St. Louis Cardinals NL 142 3.68
10 Baltimore Orioles AL 134 3.73
11 New York Giants NL 141 3.87
12 Philadelphia Athletics AL 137 4.00
13 Milwaukee Brewers AL 139 4.06
14 Washington Senators AL 138 4.09
15 Cleveland Blues AL 138 4.12
16 Cincinnati Reds NL 142 4.17

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.