I don't have anything for this season, but the Seattle Mariners had an ERA of 3.84 after the All-Star Game in 2025.
Interpreted as:
What is the mariners era since the all star break this season?
StatMuse has team, game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
More Mariners Stats
Team Batting Leaders 
HR
2
Canzone
RBI
3
Young
AVG
.333
Donovan
Team Pitching Leaders 
W
1
Kirby
K
7
Gilbert
ERA
1.50
Kirby
Team Rankings
HR
6
1st
R
9
7th
SO
20
3rd
ERA
3.50
17th
Angels
Mariners
Athletics
Rangers
Astros
CLE
NYY
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
| NL Central | W | L | PCT | GB |
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
0 | 1 | .000 | 1.0 | |
0 | 1 | .000 | 1.0 | |
0 | 1 | .000 | 1.0 | |
| NL West | W | L | PCT | GB |
2 | 0 | 1.000 | ||
0 | 1 | .000 | 1.5 | |
0 | 2 | .000 | 2.0 | |
0 | 2 | .000 | 2.0 | |
0 | 2 | .000 | 2.0 |
Braves
Marlins
Mets
Phillies
Nationals
Brewers
Cardinals
Cubs
Reds
Pirates
Dodgers
Rockies
Diamondbacks
Padres
Giants| AL East | W | L | PCT | GB |
|---|---|---|---|---|
2 | 0 | 1.000 | ||
1 | 0 | 1.000 | 0.5 | |
1 | 0 | 1.000 | 0.5 | |
1 | 0 | 1.000 | 0.5 | |
0 | 1 | .000 | 1.5 | |
| AL Central | W | L | PCT | GB |
2 | 0 | 1.000 | ||
1 | 1 | .500 | 1.0 | |
0 | 1 | .000 | 1.5 | |
0 | 1 | .000 | 1.5 | |
0 | 1 | .000 | 1.5 | |
| AL West | W | L | PCT | GB |
2 | 0 | 1.000 | ||
1 | 1 | .500 | 1.0 | |
0 | 1 | .000 | 1.5 | |
0 | 1 | .000 | 1.5 | |
0 | 2 | .000 | 2.0 |
Orioles
Red Sox
Blue Jays
Rays
Tigers
White Sox
Royals
Twins
