J.C. Romero had a 2-2 record with an ERA of 3.15 and 15 strikeouts in 25 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.C. Romero | 2002 |  MIN | 7 | 0 | 1 | .000 | 0 | 8.44 | 5 | 0 | 0 | 0 | 5.1 | 7 | 5 | 5 | 1 | 3 | 0 | 1 | 0 | 26 | 1 | 8.44 | 5.06 | 1.67 | 1.69 | 19.2 | 11.5 | 1.88 | .353 | 8.44 | 11.81 | ||||
| 2 | | J.C. Romero | 2003 | MIN | 3 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 3.1 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 15 | 0 | 2.70 | 5.40 | 0.50 | 0.00 | 6.7 | 13.3 | 1.50 | .250 | 0.00 | 8.10 | |||||
| 3 | | J.C. Romero | 2004 | MIN | 2 | 0 | 0 | 0 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 4 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 25.0 | 25.0 | 1.00 | .000 | 9.00 | 0.00 | |||||
| 4 |  | J.C. Romero | 2007 |  PHI | 3 | 0 | 1 | .000 | 0 | 4.50 | 1 | 0 | 0 | 0 | 2.0 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | 4.50 | 0.00 | 0.00 | 11.1 | 0.0 | 1.50 | .375 | 4.50 | 13.50 | |||||
| 5 | | J.C. Romero | 2008 | PHI | 8 | 2 | 0 | 1.000 | 0 | 0.00 | 7 | 0 | 0 | 0 | 7.1 | 2 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | 25 | 0 | 8.59 | 3.68 | 2.33 | 0.00 | 28.0 | 12.0 | 0.68 | .133 | 0.00 | 2.45 | ||||
| 6 | | J.C. Romero | 2010 | PHI | 2 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||||||
| Total | 25 | 2 | 2 | .500 | 0 | 3.15 | 15 | 0 | 0 | 0 | 20.0 | 15 | 7 | 7 | 1 | 9 | 0 | 7 | 1 | 82 | 1 | 6.75 | 4.05 | 1.67 | 0.45 | 18.3 | 11.0 | 1.20 | .246 | 3.15 | 6.75 |
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