I didn't find anything for this season, but Triston Casas had the best isolated power for the Red Sox against left-handed pitchers in 2025, with an isolated power of .455.
Interpreted as:
redsox top iso hitter vs lhp this regular season| NAME | ISO | SEASON | TM | G | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | PA | TB | XBH | SH | SF | IBB | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | T. Casas | .455 | 2025 | 9 | 11 | 5 | 2 | 0 | 1 | 2 | 1 | 0 | 2 | 12 | 10 | 3 | 0 | 0 | 0 | .455 | .500 | .909 | 1.409 | |
| 2 | | R. Gonzalez | .269 | 2025 | 60 | 130 | 43 | 10 | 2 | 7 | 25 | 11 | 0 | 32 | 143 | 78 | 19 | 0 | 2 | 1 | .331 | .378 | .600 | .978 | |
| 3 | | R. Refsnyder | .259 | 2025 | 57 | 116 | 35 | 9 | 0 | 7 | 25 | 19 | 1 | 32 | 138 | 65 | 16 | 0 | 2 | 1 | .302 | .399 | .560 | .959 | |
| 4 |  | R. Devers | .212 | 2025 | 58 | 104 | 31 | 7 | 0 | 5 | 24 | 13 | 3 | 27 | 120 | 53 | 12 | 0 | 0 | 3 | .298 | .392 | .510 | .901 | |
| 5 | | J. Garcia | .200 | 2025 | 3 | 5 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 4 | 7 | 2 | 1 | 0 | 0 | 0 | .200 | .429 | .400 | .829 | |
| 6 |  | C. Rafaela | .193 | 2025 | 87 | 150 | 33 | 6 | 1 | 7 | 22 | 7 | 3 | 33 | 163 | 62 | 14 | 1 | 2 | 0 | .220 | .265 | .413 | .679 | |
| 7 |  | T. Story | .170 | 2025 | 87 | 159 | 41 | 6 | 0 | 7 | 29 | 9 | 2 | 41 | 170 | 68 | 13 | 0 | 0 | 1 | .258 | .306 | .428 | .734 | |
| 8 | | C. Narváez | .157 | 2025 | 67 | 115 | 28 | 6 | 0 | 4 | 14 | 15 | 0 | 28 | 130 | 46 | 10 | 0 | 0 | 0 | .243 | .331 | .400 | .731 | |
| 9 |  | R. Anthony | .156 | 2025 | 47 | 90 | 25 | 2 | 0 | 4 | 11 | 8 | 0 | 38 | 98 | 39 | 6 | 0 | 0 | 0 | .278 | .337 | .433 | .770 | |
| 10 |  | W. Abreu | .148 | 2025 | 47 | 61 | 14 | 6 | 0 | 1 | 10 | 6 | 0 | 14 | 68 | 23 | 7 | 1 | 0 | 0 | .230 | .299 | .377 | .676 | |
| 11 |  | J. Duran | .129 | 2025 | 111 | 194 | 41 | 6 | 5 | 3 | 25 | 10 | 3 | 57 | 209 | 66 | 14 | 1 | 1 | 0 | .211 | .260 | .340 | .600 | |
| 12 |  | N. Lowe | .118 | 2025 | 12 | 17 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 4 | 18 | 4 | 1 | 0 | 0 | 0 | .118 | .167 | .235 | .402 | |
| 13 |  | A. Bregman | .115 | 2025 | 68 | 113 | 36 | 4 | 0 | 3 | 10 | 19 | 1 | 20 | 133 | 49 | 7 | 0 | 0 | 2 | .319 | .421 | .434 | .855 | |
| 14 | | N. Sogard | .114 | 2025 | 18 | 35 | 13 | 4 | 0 | 0 | 2 | 0 | 0 | 9 | 35 | 17 | 4 | 0 | 0 | 0 | .371 | .371 | .486 | .857 | |
| 15 | | K. Campbell | .103 | 2025 | 37 | 58 | 12 | 3 | 0 | 1 | 6 | 12 | 3 | 15 | 74 | 18 | 4 | 0 | 1 | 0 | .207 | .365 | .310 | .675 | |
| 16 | | A. Toro | .099 | 2025 | 39 | 71 | 18 | 4 | 0 | 1 | 9 | 3 | 2 | 10 | 78 | 25 | 5 | 0 | 2 | 0 | .254 | .295 | .352 | .647 | |
| 17 | | M. Mayer | .077 | 2025 | 18 | 26 | 4 | 0 | 1 | 0 | 1 | 1 | 0 | 10 | 27 | 6 | 1 | 0 | 0 | 0 | .154 | .185 | .231 | .416 | |
| 18 | | N. Eaton | .047 | 2025 | 21 | 43 | 12 | 2 | 0 | 0 | 1 | 4 | 1 | 10 | 49 | 14 | 2 | 0 | 1 | 0 | .279 | .347 | .326 | .673 | |
| 19 |  | M. Yoshida | .032 | 2025 | 23 | 31 | 7 | 1 | 0 | 0 | 3 | 1 | 0 | 4 | 32 | 8 | 1 | 0 | 0 | 0 | .226 | .250 | .258 | .508 | |
| 20 | | C. Wong | .026 | 2025 | 26 | 39 | 7 | 1 | 0 | 0 | 2 | 6 | 0 | 12 | 46 | 8 | 1 | 0 | 1 | 0 | .179 | .283 | .205 | .488 |
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
1
Abreu
RBI
2
Abreu
AVG
.500
Narváez
Team Pitching Leaders 
W
1
Crochet
K
8
Crochet
ERA
6.75
Gray
Team Rankings
HR
2
11th
R
8
16th
SO
24
3rd
ERA
1.86
7th
Orioles
Yankees
Blue Jays
Rays
CIN
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 |
|---|---|---|---|---|
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
1 | 1 | .500 | 0.5 | |
| NL Central | W | L | PCT | GB |
1 | 0 | 1.000 | ||
1 | 0 | 1.000 | ||
2 | 1 | .667 | ||
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
Pirates
Dodgers
Rockies
Diamondbacks
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 |
Tigers
Guardians
White Sox
Royals
Twins
Angels
Mariners
Athletics
Rangers
