League Leaders Daily Quiz

1877 MLB Earned Run Average by Team

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

The Boston Red Caps led all of MLB in earned run average in 1877, with 2.15, 0.10 ahead of the Louisville Grays. The average across 6 MLB teams is 2.82.

Led all of MLB in 1877 Boston Red Caps 61 games
2.15 Earned Run Average 0.10 clear of Louisville Grays
# Team League G ERA
1 Boston Red Caps NL 61 2.15
2 Louisville Grays NL 61 2.25
3 Hartford Dark Blues NL 60 2.32
4 St. Louis Brown Stockings NL 60 2.66
MLB average 2.82
5 Chicago White Stockings NL 60 3.37
6 Cincinnati Reds NL 58 4.19

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.