I couldn't find anything for this season, but Bryce Harper hit for a .462 slugging percentage in August of the 2024 season.
| NAME | SLG | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Harper | .462 | 27 | 104 | 11 | 31 | 11 | 0 | 2 | 9 | 10 | 1 | 26 | 0 | 1 | 116 | 48 | 13 | 1 | 0 | 1 | 4 | .298 | .365 | .827 |
StatMuse has game-level data for slugging percentage going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Mets 
Phillies 
Nationals 
Braves 
Marlins 
TOR 
PIT 
Yankees 
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Mariners 
Astros 
Cubs 
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Padres 
BAL 
TBR 
LAA 
COL 
AZ 
SFG 
MIN 
ATH 
