Mark McGwire had a batting average of .188 with 9 hits, a homer, 2 RBIs and 2 runs scored in 13 games in the World Series in his career.
| NAME | DATE | SEASON | SERIES | TM | OPP | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. McGwire | 10/15/1988 | 1988 | World Series |  OAK | @ |  LAD | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2 | | M. McGwire | 10/16/1988 | 1988 | World Series | OAK | @ | LAD | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 2 |
| 3 | | M. McGwire | 10/18/1988 | 1988 | World Series | OAK | vs | LAD | 4 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 4 | 4 | 1 | 0 | 0 | 0 | 0 |
| 4 | | M. McGwire | 10/19/1988 | 1988 | World Series | OAK | vs | LAD | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5 | | M. McGwire | 10/20/1988 | 1988 | World Series | OAK | vs | LAD | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | | M. McGwire | 10/14/1989 | 1989 | World Series | OAK | vs |  SFG | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 0 | 0 | 0 | 0 |
| 7 | | M. McGwire | 10/15/1989 | 1989 | World Series | OAK | vs | SFG | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 4 | 2 | 1 | 0 | 0 | 0 | 0 |
| 8 | | M. McGwire | 10/27/1989 | 1989 | World Series | OAK | @ | SFG | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9 | | M. McGwire | 10/28/1989 | 1989 | World Series | OAK | @ | SFG | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
| 10 | | M. McGwire | 10/16/1990 | 1990 | World Series | OAK | @ |  CIN | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11 | | M. McGwire | 10/17/1990 | 1990 | World Series | OAK | @ | CIN | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 |
| 12 | | M. McGwire | 10/19/1990 | 1990 | World Series | OAK | vs | CIN | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 |
| 13 | | M. McGwire | 10/20/1990 | 1990 | World Series | OAK | vs | CIN | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 48 | 2 | 9 | 1 | 0 | 1 | 2 | 6 | 0 | 11 | 0 | 0 | 54 | 13 | 2 | 0 | 0 | 1 | 2 |
Some of the information used here was obtained free of charge from Retrosheet.
Mariners 
Astros 
Rangers 
Angels 
MIA 
Mets 
Phillies 
Cubs 
Yankees 
Red Sox 
Tigers 
Guardians 
WSH 
PIT 
ATL 
TOR 
AZ 
STL 
COL 
SDP 
