Antonio Alfonseca had a record of 1-0 with an ERA of 1.26 and 5 strikeouts in 12 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 |  | A. Alfonseca | 1997 |  FLA | 3 | 0 | 0 | 0 | 0.00 | 5 | 0 | 0 | 0 | 6.1 | 6 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 25 | 0 | 7.11 | 1.42 | 5.00 | 0.00 | 20.0 | 4.0 | 1.11 | .316 | 0.00 | 8.53 | |||||
| 2 |  | A. Alfonseca | 2003 |  CHC | 4 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 3.1 | 3 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 12 | 0 | 0.00 | 5.40 | 0.00 | 0.00 | 0.0 | 16.7 | 1.50 | .300 | 0.00 | 8.10 | |||||
| 3 |  | A. Alfonseca | 2004 |  ATL | 4 | 1 | 0 | 1.000 | 0 | 4.91 | 0 | 0 | 0 | 0 | 3.2 | 2 | 2 | 2 | 0 | 2 | 0 | 1 | 0 | 15 | 0 | 0.00 | 4.91 | 0.00 | 0.00 | 0.0 | 13.3 | 1.09 | .154 | 4.91 | 4.91 | ||||
| 4 |  | A. Alfonseca | 2007 |  PHI | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 1.00 | .250 | 0.00 | 9.00 | ||||||
| Total | 12 | 1 | 0 | 1.000 | 0 | 1.26 | 5 | 0 | 0 | 0 | 14.1 | 12 | 2 | 2 | 0 | 5 | 0 | 4 | 1 | 56 | 0 | 3.14 | 3.14 | 1.00 | 0.00 | 8.9 | 8.9 | 1.19 | .261 | 1.26 | 7.53 |
Brewers 
Dodgers 
Padres 
Yankees 
Orioles 
Guardians 
Royals 
Astros 
Mariners 
PIT 
MIA 
WSH 
BOS 
TEX 
