1988 MLB Earned Run Average by Team

The New York Mets led all of MLB in earned run average in 1988, with 2.91, 0.05 ahead of the Los Angeles Dodgers. The average across 26 MLB teams is 3.74.

Led all of MLB in 1988 New York Mets 160 games

2.91 Earned Run Average 0.05 clear of Los Angeles Dodgers

#	Team	League	G	ERA
1	New York Mets	NL	160	2.91
2	Los Angeles Dodgers	NL	162	2.96
3	Montreal Expos	NL	163	3.10
4	San Diego Padres	NL	161	3.28
5	Cincinnati Reds	NL	161	3.35
6	San Francisco Giants	NL	162	3.40
7	Houston Astros	NL	162	3.41
8	Oakland Athletics	AL	162	3.44
9	Milwaukee Brewers	AL	162	3.45
10	Pittsburgh Pirates	NL	160	3.47
10	St. Louis Cardinals	NL	162	3.47
12	Kansas City Royals	AL	161	3.65
13	Detroit Tigers	AL	162	3.72
	MLB average			3.74
14	Toronto Blue Jays	AL	162	3.81
15	Chicago Cubs	NL	163	3.88
16	Minnesota Twins	AL	162	3.94
17	Boston Red Sox	AL	162	3.98
18	Texas Rangers	AL	161	4.07
19	Atlanta Braves	NL	160	4.10
20	Chicago White Sox	AL	161	4.13
21	Philadelphia Phillies	NL	162	4.16
22	Seattle Mariners	AL	161	4.18
23	Cleveland Indians	AL	162	4.19
24	New York Yankees	AL	161	4.27
25	California Angels	AL	162	4.32
26	Baltimore Orioles	AL	161	4.55

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.