League Leaders Daily Quiz

1891 MLB Earned Run Average by Team

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

The Milwaukee Brewers led all of MLB in earned run average in 1891, with 2.50, 0.26 ahead of the Boston Beaneaters. The average across 17 MLB teams is 3.48.

Led all of MLB in 1891 Milwaukee Brewers 36 games
2.50 Earned Run Average 0.26 clear of Boston Beaneaters
# Team League G ERA
1 Milwaukee Brewers AA 36 2.50
2 Boston Beaneaters NL 140 2.76
3 Pittsburgh Pirates NL 137 2.89
4 New York Giants NL 136 2.99
5 Boston Reds AA 139 3.03
6 St. Louis Browns AA 139 3.23
7 Baltimore Orioles AA 139 3.43
7 Cincinnati Kelly's Killers AA 102 3.43
9 Chicago Colts NL 137 3.47
MLB average 3.48
10 Cleveland Spiders NL 141 3.50
11 Cincinnati Reds NL 138 3.55
12 Philadelphia Phillies NL 138 3.73
13 Columbus Solons AA 138 3.75
14 Brooklyn Grooms NL 137 3.86
15 Philadelphia Athletics AA 142 4.01
16 Louisville Colonels AA 138 4.22
17 Washington Statesmen AA 139 4.83

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.