| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 2003 | Yakult | Jap Cen | Intl | - | 19 | 5 | 6 | 5.03 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 102.0 | 99 | 62 | 57 | 14 | 56 | 80 | 0 | 0 | 0 | 1.52 | 8.74 | 1.24 | 4.94 | 7.06 | 5.47 | 1.43 | |
| 2004 | Yakult | Jap Cen | Intl | - | 20 | 4 | 2 | 4.41 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 49.0 | 48 | 26 | 24 | 7 | 29 | 54 | 0 | 0 | 0 | 1.57 | 8.82 | 1.29 | 5.33 | 9.92 | 4.78 | 1.86 | |
| 2005 | Yakult | Jap Cen | Intl | - | 21 | 4 | 4 | 4.52 | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 73.2 | 70 | 37 | 37 | 7 | 42 | 74 | 8 | 0 | 0 | 1.52 | 8.55 | 0.86 | 5.13 | 9.04 | 4.52 | 1.76 | |
| 2006 | Yakult | Jap Cen | Intl | - | 22 | 2 | 1 | 6.51 | 36 | 0 | 0 | 0 | 0 | 7 | 0 | 27.2 | 29 | 27 | 20 | 3 | 21 | 27 | 8 | 0 | 4 | 1.81 | 9.43 | 0.98 | 6.83 | 8.78 | 8.78 | 1.29 | |
| 2007 | Yakult Swallows | Jap Cen | Intl | 41 | 23 | 3 | 6 | 5.19 | 52 | 0 | 0 | 0 | 0 | 0 | 1 | 43.1 | 39 | 26 | 25 | 3 | 24 | 30 | 3 | 0 | 0 | 1.45 | 8.10 | 0.62 | 4.98 | 6.23 | 5.40 | 1.25 | |
| 2008 | Yakult Swallows | Jap Cen | Intl | - | 24 | 0 | 0 | 13.50 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.2 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 4.50 | 13.50 | 13.50 | 27.00 | 0.00 | 13.50 | 0.00 | |
| 2009 | Yakult Swallows | Jap Cen | Intl | - | 25 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.00 | 9.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 2003 | Yakult | Jap Cen | Intl | - | 19 | P | 30 | 30 | 2 | 6 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 15 | 0 | 5 | 0 | 0 | 1 | 8 | 35 | 2 | 4 | .200 | .200 | .267 | .467 | .067 | .067 | .400 | 0.00 | 42.86 | 0.00 | 0.00 | ||
| 2004 | Yakult | Jap Cen | Intl | - | 20 | P | 10 | 16 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 5 | 16 | 0 | 5 | .313 | .313 | .313 | .626 | .000 | .000 | .000 | 0.00 | 43.75 | 0.00 | 0.00 | ||
| 2006 | Yakult | Jap Cen | Intl | - | 22 | P | 36 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | ||
| 2007 | Yakult Swallows | Jap Cen | Intl | 41 | 23 | P | 52 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | ||
| 2012 | Yakult Swallows | Jap Cen | Intl | - | 28 | P | 95* | 47 | 143 | 14 | 40 | 4 | 0 | 0 | 8 | 2 | 3 | 7 | 19 | 0 | 3 | 0 | 0 | 0 | 44 | 153 | 4 | 36 | .280 | .313 | .308 | .621 | .070 | .028 | .323 | 4.58 | 12.42 | 2.71 | 0.00 | |
| 2013 | Yakult Swallows | Jap Cen | Intl | - | 29 | P | 13 | 37 | 6 | 11 | 4 | 1 | 2 | 3 | 0 | 0 | 6 | 10 | 0 | 0 | 0 | 0 | 0 | 23 | 43 | 7 | 4 | .297 | .395 | .622 | 1.017 | .486 | .325 | .360 | 13.95 | 23.26 | 1.67 | 18.50 | ||
| 2014 | Yakult Swallows | Jap Cen | Intl | - | 30 | P | 121 | 141 | 547 | 97 | 173 | 28 | 3 | 23 | 90 | 10 | 2 | 48 | 103 | 1 | 1 | 0 | 0 | 11 | 276 | 597 | 54 | 119 | .316 | .372 | .505 | .877 | .291 | .189 | .356 | 8.04 | 17.25 | 2.15 | 23.78 | |
| 2015 | Yakult Swallows | Jap Cen | Intl | - | 31 | P | 102 | 141 | 551 | 57 | 149 | 33 | 4 | 8 | 60 | 7 | 4 | 27 | 82 | 3 | 1 | 3 | 1 | 7 | 214 | 585 | 45 | 104 | .270 | .307 | .388 | .695 | .172 | .118 | .304 | 4.62 | 14.02 | 3.04 | 68.88 | |
| 2016 | Yakult Swallows | Jap Cen | Intl | - | 32 | P | 103 | 108 | 412 | 44 | 122 | 20 | 0 | 7 | 55 | 7 | 1 | 21 | 51 | 0 | 1 | 2 | 2 | 9 | 163 | 436 | 27 | 95 | .296 | .329 | .396 | .725 | .165 | .100 | .323 | 4.82 | 11.70 | 2.43 | 58.86 | |
| 2017 | Yakult Swallows | Jap Cen | Intl | - | 33 | P | 105 | 71 | 281 | 29 | 86 | 21 | 0 | 2 | 32 | 2 | 3 | 12 | 42 | 5 | 0 | 2 | 0 | 5 | 113 | 300 | 23 | 63 | .306 | .343 | .402 | .745 | .135 | .096 | .351 | 4.00 | 14.00 | 3.50 | 140.50 | |
| 2018 | Yakult Swallows | Jap Cen | Intl | - | 34 | P | 110 | 125 | 446 | 50 | 142 | 19 | 1 | 11 | 67 | 6 | 1 | 33 | 62 | 1 | 0 | 2 | 5 | 13 | 196 | 482 | 31 | 111 | .318 | .365 | .439 | .804 | .206 | .121 | .349 | 6.85 | 12.86 | 1.88 | 40.55 | |
| 2019 | Yakult Swallows | Jap Cen | Intl | - | 35 | P | 100 | 131 | 447 | 55 | 122 | 19 | 0 | 12 | 56 | 4 | 3 | 37 | 71 | 2 | 1 | 6 | 4 | 4 | 177 | 493 | 31 | 91 | .273 | .327 | .396 | .723 | .208 | .123 | .297 | 7.51 | 14.40 | 1.92 | 37.25 | |
| 2020 | Yakult Swallows | Jap Cen | Intl | - | 36 | P | 77* | 43 | 103 | 6 | 23 | 4 | 0 | 0 | 9 | 3 | 0 | 6 | 23 | 1 | 0 | 3 | 0 | 2 | 27 | 113 | 4 | 19 | .223 | .265 | .262 | .527 | .126 | .039 | .277 | 5.31 | 20.35 | 3.83 | 0.00 |