1971 MLB Earned Run Average by Team

The Baltimore Orioles and the New York Mets shared the lead of all of MLB in earned run average in 1971, with 3.00. The average across 24 MLB teams is 3.47.

Led all of MLB in 1971 Baltimore Orioles 158 games

3.00 Earned Run Average Tied with New York Mets

#	Team	League	G	ERA
1	Baltimore Orioles	AL	158	3.00
1	New York Mets	NL	162	3.00
3	Oakland Athletics	AL	161	3.06
4	California Angels	AL	162	3.10
5	Chicago White Sox	AL	162	3.13
5	Houston Astros	NL	162	3.13
7	Los Angeles Dodgers	NL	162	3.23
7	San Diego Padres	NL	161	3.23
9	Kansas City Royals	AL	161	3.25
10	Pittsburgh Pirates	NL	162	3.31
11	San Francisco Giants	NL	162	3.33
12	Cincinnati Reds	NL	162	3.35
13	Milwaukee Brewers	AL	161	3.38
14	New York Yankees	AL	162	3.45
	MLB average			3.47
15	Chicago Cubs	NL	162	3.61
16	Detroit Tigers	AL	162	3.63
17	Washington Senators	AL	159	3.70
18	Philadelphia Phillies	NL	162	3.71
19	Atlanta Braves	NL	162	3.75
20	Minnesota Twins	AL	160	3.82
21	Boston Red Sox	AL	162	3.83
22	St. Louis Cardinals	NL	163	3.87
23	Montreal Expos	NL	162	4.12
24	Cleveland Indians	AL	162	4.28

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.