1998 MLB Earned Run Average by Team

The Atlanta Braves led all of MLB in earned run average in 1998, with 3.25, 0.25 ahead of the Houston Astros. The average across 30 MLB teams is 4.43.

Led all of MLB in 1998 Atlanta Braves 162 games

3.25 Earned Run Average 0.25 clear of Houston Astros

#	Team	League	G	ERA
1	Atlanta Braves	NL	162	3.25
2	Houston Astros	NL	162	3.50
3	San Diego Padres	NL	162	3.63
4	New York Mets	NL	162	3.77
5	Los Angeles Dodgers	NL	162	3.81
6	New York Yankees	AL	162	3.82
7	Pittsburgh Pirates	NL	163	3.91
8	Boston Red Sox	AL	162	4.19
8	San Francisco Giants	NL	163	4.19
10	Toronto Blue Jays	AL	163	4.29
11	St. Louis Cardinals	NL	163	4.32
12	Tampa Bay Devil Rays	AL	162	4.35
13	Montreal Expos	NL	162	4.39
	MLB average			4.43
14	Cincinnati Reds	NL	162	4.44
15	Cleveland Indians	AL	162	4.45
16	Anaheim Angels	AL	162	4.49
17	Chicago Cubs	NL	163	4.50
18	Milwaukee Brewers	NL	162	4.63
19	Arizona Diamondbacks	NL	162	4.64
19	Philadelphia Phillies	NL	162	4.64
21	Baltimore Orioles	AL	162	4.74
22	Minnesota Twins	AL	162	4.76
23	Oakland Athletics	AL	162	4.83
24	Detroit Tigers	AL	162	4.93
25	Seattle Mariners	AL	161	4.95
26	Colorado Rockies	NL	162	5.00
26	Texas Rangers	AL	162	5.00
28	Kansas City Royals	AL	161	5.16
29	Florida Marlins	NL	162	5.20
30	Chicago White Sox	AL	163	5.24

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.