| 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 |
| 1994 | Yakult | Jap Cen | Intl | - | 23 | 1 | 6 | 4.03 | 16 | 0 | 1 | 1 | 0 | 0 | 0 | 67.0 | 51 | 33 | 30 | 5 | 43 | 64 | 0 | 0 | 0 | 1.40 | 6.85 | 0.67 | 5.78 | 8.60 | 4.43 | 1.49 | |
| 1995 | Yakult | Jap Cen | Intl | - | 24 | 16 | 7 | 3.83 | 31 | 0 | 4 | 2 | 0 | 0 | 0 | 160.0 | 121 | 72 | 68 | 12 | 89 | 144 | 0 | 0 | 0 | 1.31 | 6.81 | 0.68 | 5.01 | 8.10 | 4.05 | 1.62 | |
| 1996 | Yakult | Jap Cen | Intl | - | 25 | 7 | 4 | 4.00 | 20 | 0 | 2 | 1 | 0 | 0 | 0 | 123.2 | 111 | 62 | 55 | 23 | 56 | 98 | 0 | 0 | 0 | 1.35 | 8.08 | 1.67 | 4.08 | 7.13 | 4.51 | 1.75 | |
| 1997 | Yakult | Jap Cen | Intl | - | 26 | 0 | 2 | 3.51 | 14 | 0 | 0 | 0 | 0 | 0 | 2 | 25.2 | 18 | 11 | 10 | 1 | 13 | 24 | 0 | 0 | 0 | 1.21 | 6.31 | 0.35 | 4.56 | 8.42 | 3.86 | 1.85 | |
| 1998 | Yakult | Jap Cen | Intl | - | 27 | 3 | 8 | 4.57 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 63.0 | 62 | 33 | 32 | 7 | 36 | 62 | 0 | 0 | 0 | 1.56 | 8.86 | 1.00 | 5.14 | 8.86 | 4.71 | 1.72 | |
| 1999 | Yakult | Jap Cen | Intl | - | 28 | 6 | 7 | 5.18 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 90.1 | 95 | 63 | 52 | 16 | 57 | 89 | 0 | 0 | 0 | 1.68 | 9.46 | 1.59 | 5.68 | 8.87 | 6.28 | 1.56 | |
| 2000 | Yakult | Jap Cen | Intl | - | 29 | 1 | 3 | 6.82 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 30.1 | 34 | 23 | 23 | 6 | 10 | 25 | 0 | 0 | 0 | 1.45 | 10.09 | 1.78 | 2.97 | 7.42 | 6.82 | 2.50 | |
| 2002 | Yakult | Jap Cen | Intl | - | 31 | 5 | 3 | 5.53 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 40.2 | 51 | 29 | 25 | 9 | 9 | 29 | 0 | 0 | 0 | 1.48 | 11.29 | 1.99 | 1.99 | 6.42 | 6.42 | 3.22 | |
| 2003 | Yakult | Jap Cen | Intl | - | 32 | 2 | 0 | 1.05 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 43.0 | 34 | 12 | 5 | 3 | 16 | 36 | 0 | 0 | 0 | 1.16 | 7.12 | 0.63 | 3.35 | 7.53 | 2.51 | 2.25 | |
| 2004 | Yakult | Jap Cen | Intl | - | 33 | 0 | 1 | 9.78 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 23.0 | 36 | 26 | 25 | 6 | 14 | 22 | 0 | 0 | 0 | 2.17 | 14.09 | 2.35 | 5.48 | 8.61 | 10.17 | 1.57 | |
| 2005 | Yakult | Jap Cen | Intl | - | 34 | 0 | 2 | 6.43 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 21.0 | 25 | 15 | 15 | 1 | 12 | 21 | 1 | 0 | 0 | 1.76 | 10.71 | 0.43 | 5.14 | 9.00 | 6.43 | 1.75 | |
| 2006 | Yakult | Jap Cen | Intl | - | 35 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 27.00 | 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 |
| 2002 | Yakult | Jap Cen | Intl | - | 31 | P | 10 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | 0 | 0 | 2 | 15 | 0 | 2 | .143 | .143 | .143 | .286 | .000 | .000 | .333 | 0.00 | 53.33 | 0.00 | 0.00 | ||
| 2003 | Yakult | Jap Cen | Intl | - | 32 | P | 34 | 1 | 0 | 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 |