1943 MLB Earned Run Average by Team

The St. Louis Cardinals led all of MLB in earned run average in 1943, with 2.57, 0.36 ahead of the New York Yankees. The average across 29 MLB teams is 3.81.

Led all of MLB in 1943 St. Louis Cardinals 157 games

2.57 Earned Run Average 0.36 clear of New York Yankees

#	Team	League	G	ERA
1	St. Louis Cardinals	NL	157	2.57
2	New York Yankees	AL	155	2.93
3	Detroit Tigers	AL	155	3.00
4	Pittsburgh Pirates	NL	157	3.06
5	Cincinnati Reds	NL	155	3.13
6	Cleveland Indians	AL	153	3.15
7	Washington Senators	AL	153	3.18
8	Chicago White Sox	AL	155	3.20
9	Chicago American Giants	NAL	62	3.24
9	Chicago Cubs	NL	154	3.24
11	Boston Braves	NL	153	3.25
11	Kansas City Monarchs	NAL	50	3.25
13	St. Louis Browns	AL	153	3.41
14	Boston Red Sox	AL	155	3.45
15	Birmingham Black Barons	NAL	64	3.49
16	Homestead Grays	NN2	34	3.74
17	Philadelphia Blue Jays	NL	157	3.79
	MLB average			3.81
18	Harrisburg-St. Louis Stars	NN2	9	3.86
19	Brooklyn Dodgers	NL	153	3.88
20	New York Cubans	NN2	27	3.94
21	Philadelphia Athletics	AL	155	4.05
22	New York Giants	NL	156	4.08
23	Cincinnati Clowns	NAL	76	4.21
24	Memphis Red Sox	NAL	78	4.37
25	Cleveland Buckeyes	NAL	66	4.38
26	Newark Eagles	NN2	32	4.94
27	Baltimore Elite Giants	NN2	37	5.12
28	Philadelphia Stars	NN2	45	5.37
29	New York Black Yankees	NN2	24	7.21

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.