Masahiro Tanaka had a record of 5-4 with an ERA of 3.33 and 44 strikeouts in 10 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 |  | M. Tanaka | 2015 |  NYY | 1 | 0 | 1 | .000 | 1 | 3.60 | 3 | 0 | 0 | 0 | 5.0 | 4 | 2 | 2 | 2 | 3 | 0 | 0 | 0 | 21 | 0 | 5.40 | 5.40 | 1.00 | 3.60 | 14.3 | 14.3 | 1.40 | .154 | 3.60 | 7.20 | ||||
| 2 | | M. Tanaka | 2017 | NYY | 3 | 2 | 1 | .667 | 3 | 0.90 | 18 | 0 | 0 | 0 | 20.0 | 10 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 72 | 2 | 8.10 | 1.35 | 6.00 | 0.00 | 25.0 | 4.2 | 0.65 | .196 | 0.90 | 4.50 | ||||
| 3 | | M. Tanaka | 2018 | NYY | 1 | 1 | 0 | 1.000 | 1 | 1.80 | 4 | 0 | 0 | 0 | 5.0 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 19 | 0 | 7.20 | 1.80 | 4.00 | 1.80 | 21.1 | 5.3 | 0.80 | .154 | 1.80 | 5.40 | ||||
| 4 | | M. Tanaka | 2019 | NYY | 3 | 2 | 1 | .667 | 3 | 2.25 | 12 | 0 | 0 | 0 | 16.0 | 8 | 4 | 5 | 1 | 4 | 1 | 0 | 0 | 59 | 0 | 6.75 | 2.25 | 3.00 | 0.56 | 20.3 | 6.8 | 0.75 | .171 | 2.81 | 4.50 | ||||
| 5 | | M. Tanaka | 2020 | NYY | 2 | 0 | 1 | .000 | 2 | 12.38 | 7 | 0 | 0 | 0 | 8.0 | 13 | 11 | 11 | 2 | 4 | 0 | 0 | 0 | 41 | 0 | 7.88 | 4.50 | 1.75 | 2.25 | 17.1 | 9.8 | 2.13 | .393 | 12.38 | 14.62 | ||||
| Total | 10 | 5 | 4 | .556 | 10 | 3.33 | 44 | 0 | 0 | 0 | 54.0 | 38 | 20 | 21 | 6 | 15 | 1 | 0 | 0 | 212 | 2 | 7.33 | 2.50 | 2.93 | 1.00 | 20.8 | 7.1 | 0.98 | .219 | 3.50 | 6.33 |
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