I don't have anything for this season, but Triston Casas had the highest isolated power for the Red Sox against the Mariners in 2025, with an isolated power of .750.
Interpreted as:
redsox iso leaders vs mariners this regular season| NAME | ISO | SEASON | TM | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | T. Casas | .750 | 2025 | 3 | 8 | 2 | 2 | 0 | 0 | 2 | 6 | 3 | 1 | 2 | 0 | 0 | 12 | 8 | 2 | 0 | 0 | 0 | 0 | .250 | .500 | 1.000 | 1.500 | |
| 2 |  | A. Bregman | .500 | 2025 | 3 | 12 | 2 | 6 | 3 | 0 | 1 | 5 | 1 | 0 | 1 | 0 | 0 | 13 | 12 | 4 | 0 | 0 | 0 | 0 | .500 | .538 | 1.000 | 1.538 | |
| 3 |  | R. Anthony | .300 | 2025 | 3 | 10 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 4 | 1 | 0 | 12 | 4 | 1 | 0 | 0 | 0 | 0 | .100 | .250 | .400 | .650 | |
| 4 | | M. Mayer | .300 | 2025 | 3 | 10 | 2 | 2 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 0 | 0 | 11 | 5 | 1 | 0 | 0 | 0 | 1 | .200 | .273 | .500 | .773 | |
| 5 |  | J. Duran | .250 | 2025 | 6 | 24 | 3 | 6 | 2 | 2 | 0 | 0 | 1 | 0 | 6 | 1 | 0 | 25 | 12 | 4 | 0 | 0 | 0 | 0 | .250 | .280 | .500 | .780 | |
| 6 | | C. Narváez | .231 | 2025 | 4 | 13 | 2 | 2 | 0 | 0 | 1 | 1 | 2 | 0 | 4 | 0 | 0 | 15 | 5 | 1 | 0 | 0 | 0 | 1 | .154 | .267 | .385 | .651 | |
| 7 |  | T. Story | .143 | 2025 | 6 | 21 | 2 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 11 | 0 | 0 | 23 | 4 | 1 | 0 | 0 | 0 | 0 | .048 | .130 | .190 | .321 | |
| 8 |  | W. Abreu | .083 | 2025 | 3 | 12 | 1 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 13 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .308 | .333 | .641 |
BOSStatMuse has game-level data for isolated power going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
More Red Sox Stats
Team Batting Leaders 
HR
3
Abreu
RBI
6
Abreu
AVG
.417
Narváez
Team Pitching Leaders 
W
1
Crochet
K
15
Crochet
ERA
1.69
Early
Team Rankings
HR
8
10th
R
22
28th
SO
60
18th
ERA
4.48
22nd
Yankees
Blue Jays
Orioles
Rays
SDP
MIL
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| AL East | W | L | PCT | GB |
|---|---|---|---|---|
6 | 1 | .857 | ||
4 | 3 | .571 | 2.0 | |
3 | 4 | .429 | 3.0 | |
2 | 5 | .286 | 4.0 | |
2 | 5 | .286 | 4.0 | |
| AL Central | W | L | PCT | GB |
5 | 3 | .625 | ||
3 | 3 | .500 | 1.0 | |
3 | 4 | .429 | 1.5 | |
3 | 4 | .429 | 1.5 | |
2 | 5 | .286 | 2.5 | |
| AL West | W | L | PCT | GB |
5 | 3 | .625 | ||
4 | 3 | .571 | 0.5 | |
4 | 4 | .500 | 1.0 | |
3 | 5 | .375 | 2.0 | |
2 | 5 | .286 | 2.5 |
Guardians
Royals
Tigers
Twins
White Sox
Astros
Rangers
Mariners
Angels
Athletics| NL East | W | L | PCT | GB |
|---|---|---|---|---|
6 | 2 | .750 | ||
5 | 2 | .714 | 0.5 | |
4 | 3 | .571 | 1.5 | |
4 | 4 | .500 | 2.0 | |
3 | 4 | .429 | 2.5 | |
| NL Central | W | L | PCT | GB |
5 | 1 | .833 | ||
4 | 3 | .571 | 1.5 | |
4 | 3 | .571 | 1.5 | |
4 | 3 | .571 | 1.5 | |
3 | 4 | .429 | 2.5 | |
| NL West | W | L | PCT | GB |
5 | 2 | .714 | ||
3 | 5 | .375 | 2.5 | |
3 | 5 | .375 | 2.5 | |
2 | 5 | .286 | 3.0 | |
2 | 5 | .286 | 3.0 |
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