Billy Wagner was 1-1 with an ERA of 10.03, 13 strikeouts and 3 saves in 14 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 |  | B. Wagner | 1997 |  HOU | 1 | 0 | 0 | 0 | 18.00 | 2 | 0 | 0 | 0 | 1.0 | 3 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 18.00 | 0.00 | 0.00 | 33.3 | 0.0 | 3.00 | .750 | 18.00 | 27.00 | ||||||
| 2 | | B. Wagner | 1998 | HOU | 1 | 1 | 0 | 1.000 | 0 | 18.00 | 1 | 0 | 0 | 0 | 1.0 | 4 | 2 | 2 | 1 | 0 | 0 | 1 | 0 | 7 | 0 | 9.00 | 0.00 | 9.00 | 14.3 | 0.0 | 4.00 | .600 | 18.00 | 36.00 | |||||
| 3 | | B. Wagner | 1999 | HOU | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||||||
| 4 | | B. Wagner | 2001 |  HOU | 2 | 0 | 0 | 0 | 5.40 | 3 | 0 | 0 | 0 | 1.2 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 7 | 1 | 16.20 | 0.00 | 5.40 | 42.9 | 0.0 | 0.60 | .000 | 5.40 | 5.40 | ||||||
| 5 |  | B. Wagner | 2006 |  NYM | 6 | 0 | 1 | .000 | 0 | 9.53 | 4 | 0 | 0 | 3 | 5.2 | 10 | 6 | 6 | 1 | 1 | 0 | 5 | 0 | 28 | 0 | 6.35 | 1.59 | 4.00 | 1.59 | 14.3 | 3.6 | 1.94 | .409 | 9.53 | 15.88 | ||||
| 6 |  | B. Wagner | 2009 |  BOS | 2 | 0 | 0 | 0 | 18.00 | 2 | 0 | 0 | 0 | 1.0 | 2 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 18.00 | 9.00 | 2.00 | 0.00 | 33.3 | 16.7 | 3.00 | .667 | 18.00 | 18.00 | |||||
| 7 |  | B. Wagner | 2010 |  ATL | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 3.00 | .500 | 0.00 | 27.00 | ||||||
| Total | 14 | 1 | 1 | .500 | 0 | 10.03 | 13 | 0 | 0 | 3 | 11.2 | 21 | 13 | 13 | 3 | 2 | 1 | 9 | 0 | 59 | 1 | 10.03 | 1.54 | 6.50 | 2.31 | 22.0 | 3.4 | 1.97 | .450 | 10.03 | 16.20 |
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