Mickey Mantle had the best slugging percentage in the 1964 World Series with 15+ plate appearances, with a slugging percentage of .792.
| NAME | SLG | PA | SEASON | SERIES | TM | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Mantle | .792 | 30 | 1964 | World Series |  NYY | 7 | 24 | 8 | 8 | 2 | 0 | 3 | 8 | 6 | 0 | 8 | 0 | 0 | 19 | 5 | 0 | 0 | 1 | 0 | .333 | .467 | 1.258 |
| 2 |  | T. McCarver | .739 | 29 | 1964 | World Series |  STL | 7 | 23 | 4 | 11 | 1 | 1 | 1 | 5 | 5 | 0 | 1 | 1 | 0 | 17 | 3 | 0 | 1 | 1 | 0 | .478 | .552 | 1.291 |
| 3 | | T. Tresh | .636 | 29 | 1964 | World Series | NYY | 7 | 22 | 4 | 6 | 2 | 0 | 2 | 7 | 6 | 0 | 7 | 0 | 0 | 14 | 4 | 0 | 1 | 2 | 1 | .273 | .414 | 1.050 |
| 4 | | K. Boyer | .481 | 29 | 1964 | World Series | STL | 7 | 27 | 5 | 6 | 1 | 0 | 2 | 6 | 1 | 0 | 5 | 0 | 0 | 13 | 3 | 0 | 1 | 0 | 1 | .222 | .241 | .723 |
| 5 | | B. Richardson | .469 | 33 | 1964 | World Series | NYY | 7 | 32 | 3 | 13 | 2 | 0 | 0 | 3 | 0 | 0 | 2 | 1 | 0 | 15 | 2 | 1 | 0 | 0 | 1 | .406 | .406 | .875 |
| 6 | | L. Brock | .467 | 30 | 1964 | World Series | STL | 7 | 30 | 2 | 9 | 2 | 0 | 1 | 5 | 0 | 0 | 3 | 0 | 0 | 14 | 3 | 0 | 0 | 0 | 0 | .300 | .300 | .767 |
| 7 | | P. Linz | .452 | 33 | 1964 | World Series | NYY | 7 | 31 | 5 | 7 | 1 | 0 | 2 | 2 | 2 | 0 | 5 | 0 | 1 | 14 | 3 | 0 | 0 | 0 | 0 | .226 | .273 | .724 |
| 8 | | C. Boyer | .375 | 26 | 1964 | World Series | NYY | 7 | 24 | 2 | 5 | 1 | 0 | 1 | 3 | 1 | 0 | 5 | 1 | 0 | 9 | 2 | 0 | 1 | 1 | 0 | .208 | .231 | .606 |
| 9 | | E. Howard | .333 | 29 | 1964 | World Series | NYY | 7 | 24 | 5 | 7 | 1 | 0 | 0 | 2 | 4 | 1 | 6 | 0 | 0 | 8 | 1 | 0 | 0 | 2 | 1 | .292 | .414 | .747 |
| 10 | | M. Shannon | .321 | 29 | 1964 | World Series | STL | 7 | 28 | 6 | 6 | 0 | 0 | 1 | 2 | 0 | 0 | 9 | 1 | 0 | 9 | 1 | 1 | 0 | 0 | 2 | .214 | .214 | .536 |
| 11 | | D. Groat | .308 | 30 | 1964 | World Series | STL | 7 | 26 | 3 | 5 | 1 | 1 | 0 | 1 | 4 | 0 | 3 | 0 | 0 | 8 | 2 | 0 | 0 | 0 | 0 | .192 | .300 | .608 |
| 12 | | J. Pepitone | .308 | 29 | 1964 | World Series | NYY | 7 | 26 | 1 | 4 | 1 | 0 | 1 | 5 | 2 | 1 | 3 | 0 | 0 | 8 | 2 | 0 | 0 | 0 | 0 | .154 | .241 | .549 |
| 13 |  | R. Maris | .300 | 31 | 1964 | World Series | NYY | 7 | 30 | 4 | 6 | 0 | 0 | 1 | 1 | 1 | 0 | 4 | 0 | 0 | 9 | 1 | 0 | 0 | 0 | 1 | .200 | .226 | .526 |
| 14 | | C. Flood | .267 | 33 | 1964 | World Series | STL | 7 | 30 | 5 | 6 | 0 | 1 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 8 | 1 | 0 | 0 | 0 | 1 | .200 | .273 | .539 |
| 15 | | D. Maxvill | .250 | 22 | 1964 | World Series | STL | 7 | 20 | 0 | 4 | 1 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 0 | 5 | 1 | 1 | 0 | 0 | 0 | .200 | .238 | .488 |
| 16 | | B. White | .148 | 29 | 1964 | World Series | STL | 7 | 27 | 2 | 3 | 1 | 0 | 0 | 2 | 2 | 0 | 6 | 1 | 0 | 4 | 1 | 0 | 0 | 0 | 1 | .111 | .172 | .321 |
StatMuse has game-level data for plate appearances and slugging percentage going back to the 1903 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.
Blue Jays 
Red Sox 
Rays 
Orioles 
MIA 
TEX 
Mets 
Phillies 
Brewers 
Cubs 
Dodgers 
Padres 
Tigers 
Guardians 
Astros 
Mariners 
COL 
CIN 
KCR 
ATL 
