Masato YOSHII |
| Year | Team | G | GS | CG | SHO | W | L | S | IP | H | R | ER | HR | BB | K | IBB | WP | BK | HB | ERA | PCT | Kper9 | Hper9 | BBper9 | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | DAL | 29 | 29 | 5 | 1 | 13 | 8 | 0 | 190.7 | 183 | 103 | 90 | 25 | 67 | 123 | 0 | 0 | 1 | 5 | 4.25 | 0.619 | 5.80 | 8.64 | 3.16 | 1.31 |
| 2000 | DAL | 29 | 29 | 3 | 1 | 12 | 11 | 0 | 175.0 | 203 | 108 | 101 | 29 | 68 | 98 | 0 | 2 | 0 | 7 | 5.19 | 0.522 | 5.04 | 10.44 | 3.50 | 1.55 |
| 2001 | SG/GUM | 15 | 14 | 2 | 0 | 1 | 10 | 0 | 89.3 | 140 | 81 | 71 | 18 | 29 | 57 | 0 | 0 | 0 | 2 | 7.15 | 0.091 | 5.74 | 14.11 | 2.92 | 1.89 |
| 2002 | GUM | 18 | 0 | 0 | 0 | 1 | 3 | 0 | 18.3 | 16 | 13 | 11 | 3 | 7 | 10 | 1 | 0 | 0 | 0 | 5.40 | 0.250 | 4.92 | 7.87 | 3.44 | 1.26 |
| 2003 | GUM | 20 | 20 | 2 | 1 | 4 | 10 | 0 | 137.3 | 173 | 85 | 75 | 24 | 28 | 81 | 0 | 4 | 0 | 5 | 4.92 | 0.286 | 5.31 | 11.34 | 1.84 | 1.46 |
| 5 | Years | 111 | 92 | 12 | 3 | 31 | 42 | 0 | 610.7 | 715 | 390 | 348 | 99 | 199 | 369 | 1 | 6 | 1 | 19 | 5.13 | 0.425 | 5.44 | 10.54 | 2.93 | 1.50 |
| 2004 cutdown: | NW drops Willie BANKS, Erik HILJUS, Wil NIEVES, Brian POWELL, Lee STEVENS and Masato YOSHII |