1964 MLB Earned Run Average by Team

The Chicago White Sox led all of MLB in earned run average in 1964, with 2.72, 0.19 ahead of the Los Angeles Angels. The average across 20 MLB teams is 3.58.

Led all of MLB in 1964 Chicago White Sox 162 games

2.72 Earned Run Average 0.19 clear of Los Angeles Angels

#	Team	League	G	ERA
1	Chicago White Sox	AL	162	2.72
2	Los Angeles Angels	AL	162	2.91
3	Los Angeles Dodgers	NL	164	2.95
4	Cincinnati Reds	NL	163	3.07
5	New York Yankees	AL	164	3.15
6	Baltimore Orioles	AL	163	3.16
7	San Francisco Giants	NL	162	3.19
8	Philadelphia Phillies	NL	162	3.36
9	Houston Colt .45's	NL	162	3.41
10	St. Louis Cardinals	NL	162	3.43
11	Pittsburgh Pirates	NL	162	3.52
12	Minnesota Twins	AL	163	3.58
	MLB average			3.58
13	Cleveland Indians	AL	164	3.75
14	Detroit Tigers	AL	163	3.84
15	Washington Senators	AL	162	3.98
16	Chicago Cubs	NL	162	4.08
17	Milwaukee Braves	NL	162	4.12
18	New York Mets	NL	163	4.25
19	Boston Red Sox	AL	162	4.50
20	Kansas City Athletics	AL	163	4.71

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.