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1928 NL Earned Run Average by Team

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

The Brooklyn Robins led the NL in earned run average in 1928, with 3.25, 0.13 ahead of the St. Louis Cardinals. The average across 8 NL teams is 3.99.

Led the NL in 1928 Brooklyn Robins 155 games
3.25 Earned Run Average 0.13 clear of St. Louis Cardinals
# Team G ERA
1 Brooklyn Robins 155 3.25
2 St. Louis Cardinals 154 3.38
3 Chicago Cubs 154 3.40
4 New York Giants 155 3.67
5 Cincinnati Reds 153 3.94
6 Pittsburgh Pirates 152 3.95
NL average 3.99
7 Boston Braves 153 4.83
8 Philadelphia Phillies 152 5.50

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.