1947 MLB Earned Run Average by Team

The New York Cubans led all of MLB in earned run average in 1947, with 3.01, 0.30 ahead of the Baltimore Elite Giants. The average across 28 MLB teams is 4.22.

#	Team	League	G	ERA
1	New York Cubans	NN2	62	3.01
2	Baltimore Elite Giants	NN2	79	3.31
3	New York Yankees	AL	155	3.39
4	Cleveland Indians	AL	157	3.44
5	Philadelphia Athletics	AL	156	3.51
6	St. Louis Cardinals	NL	156	3.53
7	Detroit Tigers	AL	158	3.57
8	Boston Braves	NL	154	3.62
9	Chicago White Sox	AL	155	3.64
10	Brooklyn Dodgers	NL	155	3.80
11	Boston Red Sox	AL	157	3.81
12	Homestead Grays	NN2	70	3.86
13	Philadelphia Phillies	NL	155	3.96
14	Washington Senators	AL	154	3.97
15	Newark Eagles	NN2	84	4.01
16	Chicago Cubs	NL	155	4.10
	MLB average			4.22
17	St. Louis Browns	AL	154	4.33
18	Cleveland Buckeyes	NAL	67	4.40
19	Cincinnati Reds	NL	154	4.41
20	New York Giants	NL	155	4.44
21	Kansas City Monarchs	NAL	76	4.47
22	Pittsburgh Pirates	NL	156	4.68
23	Cincinnati-Indianapolis Clowns	NAL	82	5.10
24	Philadelphia Stars	NN2	59	5.14
25	Birmingham Black Barons	NAL	79	5.24
26	Memphis Red Sox	NAL	88	5.42
27	Chicago American Giants	NAL	80	5.61
28	New York Black Yankees	NN2	52	6.50

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.