I couldn't find anything for this season, but Triston Casas had an isolated power of .455 against left-handed pitchers in 2025.
Interpreted as:
Triston Casas iso vs lefties this regular season
BOSStatMuse has event-level data for isolated power going back to the 1974 season.
Some of the information used here was obtained free of charge from Retrosheet.
More Red Sox Stats
Team Batting Leaders 
HR
2
Abreu
RBI
4
Abreu
AVG
.500
Narváez
Team Pitching Leaders 
W
1
Crochet
K
8
Crochet
ERA
1.69
Early
Team Rankings
HR
3
15th
R
10
22nd
SO
33
9th
ERA
2.30
5th
Yankees
Blue Jays
Orioles
Rays
HOU
SDP
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
3 | 0 | 1.000 | ||
2 | 1 | .667 | 1.0 | |
2 | 1 | .667 | 1.0 | |
2 | 1 | .667 | 1.0 | |
1 | 2 | .333 | 2.0 | |
| NL Central | W | L | PCT | GB |
3 | 0 | 1.000 | ||
2 | 1 | .667 | 1.0 | |
2 | 1 | .667 | 1.0 | |
1 | 2 | .333 | 2.0 | |
1 | 2 | .333 | 2.0 | |
| NL West | W | L | PCT | GB |
3 | 0 | 1.000 | ||
1 | 2 | .333 | 2.0 | |
0 | 3 | .000 | 3.0 | |
0 | 3 | .000 | 3.0 | |
0 | 3 | .000 | 3.0 |
Marlins
Braves
Mets
Nationals
Phillies
Brewers
Reds
Cardinals
Cubs
Pirates
Dodgers
Diamondbacks
Rockies
Giants| AL East | W | L | PCT | GB |
|---|---|---|---|---|
3 | 0 | 1.000 | ||
3 | 0 | 1.000 | ||
2 | 1 | .667 | 1.0 | |
1 | 2 | .333 | 2.0 | |
1 | 2 | .333 | 2.0 | |
| AL Central | W | L | PCT | GB |
2 | 1 | .667 | ||
2 | 2 | .500 | 0.5 | |
1 | 2 | .333 | 1.0 | |
1 | 2 | .333 | 1.0 | |
0 | 3 | .000 | 2.0 | |
| AL West | W | L | PCT | GB |
2 | 1 | .667 | ||
2 | 2 | .500 | 0.5 | |
2 | 2 | .500 | 0.5 | |
2 | 2 | .500 | 0.5 | |
0 | 3 | .000 | 2.0 |
Tigers
Guardians
Royals
Twins
White Sox
Rangers
Angels
Mariners
Athletics
