1929 MLB Earned Run Average by Team

The Kansas City Monarchs led all of MLB in earned run average in 1929, with 3.23, 0.21 ahead of the Philadelphia Athletics. The average across 29 MLB teams is 4.72.

#	Team	League	G	ERA
1	Kansas City Monarchs	NNL	79	3.23
2	Philadelphia Athletics	AL	151	3.44
3	Chicago American Giants	NNL	86	3.82
4	New York Giants	NL	152	3.97
5	St. Louis Stars	NNL	88	4.04
6	Cleveland Indians	AL	152	4.05
7	St. Louis Browns	AL	154	4.08
8	Baltimore Black Sox	ANL	70	4.11
9	Chicago Cubs	NL	156	4.16
10	New York Yankees	AL	154	4.19
11	Washington Senators	AL	153	4.34
12	Pittsburgh Pirates	NL	154	4.36
13	Chicago White Sox	AL	152	4.41
13	Cincinnati Reds	NL	155	4.41
15	Boston Red Sox	AL	155	4.43
16	Hilldale Club	ANL	78	4.51
17	St. Louis Cardinals	NL	154	4.66
	MLB average			4.72
18	Memphis Red Sox	NNL	73	4.86
19	Brooklyn Robins	NL	153	4.92
20	Detroit Tigers	AL	155	4.96
21	Homestead Grays	ANL	66	5.03
22	Cuban Stars West	NNL	46	5.06
23	Boston Braves	NL	154	5.12
24	Birmingham Black Barons	NNL	89	5.48
25	Detroit Stars	NNL	69	5.50
26	New York Lincoln Giants	ANL	68	5.56
27	Philadelphia Phillies	NL	154	6.13
28	Cuban Stars East	ANL	58	6.75
29	Atlantic City Bacharach Giants	ANL	66	7.38

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.