Jim Kaat had a 1-3 record with an ERA of 4.01 and 10 strikeouts in 9 appearances in the postseason in his career.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Kaat | 1965 |  MIN | 3 | 1 | 2 | .333 | 3 | 3.77 | 6 | 1 | 0 | 0 | 14.1 | 18 | 6 | 7 | 1 | 2 | 1 | 0 | 0 | 65 | 0 | 3.77 | 1.26 | 3.00 | 0.63 | 9.2 | 3.1 | 1.40 | .309 | 4.40 | 11.30 | ||||
| 2 | | J. Kaat | 1970 | MIN | 1 | 0 | 1 | .000 | 1 | 9.00 | 1 | 0 | 0 | 0 | 2.0 | 6 | 2 | 4 | 0 | 2 | 0 | 0 | 1 | 15 | 0 | 4.50 | 9.00 | 0.50 | 0.00 | 6.7 | 13.3 | 4.00 | .500 | 18.00 | 27.00 | ||||
| 3 |  | J. Kaat | 1976 |  PHI | 1 | 0 | 0 | 1 | 3.00 | 1 | 0 | 0 | 0 | 6.0 | 2 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 21 | 0 | 1.50 | 3.00 | 0.50 | 0.00 | 4.8 | 9.5 | 0.67 | .111 | 3.00 | 3.00 | |||||
| 4 |  | J. Kaat | 1982 |  STL | 4 | 0 | 0 | 0 | 3.86 | 2 | 0 | 0 | 0 | 2.1 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 12 | 1 | 7.71 | 7.71 | 1.00 | 0.00 | 16.7 | 16.7 | 2.57 | .500 | 3.86 | 15.43 | |||||
| Total | 9 | 1 | 3 | .250 | 5 | 4.01 | 10 | 1 | 0 | 0 | 24.2 | 30 | 11 | 14 | 1 | 8 | 1 | 0 | 2 | 113 | 1 | 3.65 | 2.92 | 1.25 | 0.36 | 8.8 | 7.1 | 1.54 | .312 | 5.11 | 10.95 |
Phillies 
Braves 
Brewers 
Cubs 
Dodgers 
Padres 
Yankees 
Orioles 
Guardians 
Royals 
Astros 
Mariners 
COL 
TBR 
PIT 
MIA 
NYM 
