| 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 |
| 1993 | Yakult | Jap Cen | Intl | - | 22 | 0 | 2 | 4.00 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 8 | 4 | 4 | 0 | 9 | 10 | 0 | 0 | 0 | 1.89 | 8.00 | 0.00 | 9.00 | 10.00 | 4.00 | 1.11 | |
| 1994 | Yakult | Jap Cen | Intl | - | 23 | 0 | 0 | 4.73 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 13.1 | 19 | 7 | 7 | 3 | 9 | 8 | 0 | 0 | 0 | 2.10 | 12.83 | 2.03 | 6.08 | 5.40 | 4.73 | 0.89 | |
| 1995 | Yakult | Jap Cen | Intl | - | 24 | 0 | 0 | 9.64 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 19 | 10 | 10 | 2 | 6 | 8 | 0 | 0 | 0 | 2.68 | 18.32 | 1.93 | 5.79 | 7.71 | 9.64 | 1.33 | |
| 1996 | Yakult | Jap Cen | Intl | - | 25 | 4 | 8 | 4.53 | 37 | 0 | 3 | 2 | 0 | 0 | 1 | 113.1 | 107 | 58 | 57 | 10 | 51 | 104 | 0 | 0 | 0 | 1.39 | 8.50 | 0.79 | 4.05 | 8.26 | 4.61 | 2.04 | |
| 1997 | Yakult | Jap Cen | Intl | - | 26 | 3 | 6 | 3.67 | 46 | 0 | 1 | 0 | 0 | 0 | 1 | 105.1 | 96 | 50 | 43 | 13 | 31 | 81 | 0 | 0 | 0 | 1.21 | 8.20 | 1.11 | 2.65 | 6.92 | 4.27 | 2.61 | |
| 1998 | Yakult | Jap Cen | Intl | - | 27 | 7 | 2 | 2.03 | 35 | 0 | 0 | 0 | 0 | 0 | 3 | 48.2 | 35 | 13 | 11 | 3 | 19 | 41 | 0 | 0 | 0 | 1.11 | 6.47 | 0.55 | 3.51 | 7.58 | 2.40 | 2.16 | |
| 1999 | Yakult | Jap Cen | Intl | - | 28 | 2 | 6 | 3.37 | 51 | 0 | 0 | 0 | 0 | 0 | 3 | 66.2 | 68 | 26 | 25 | 5 | 22 | 52 | 0 | 0 | 0 | 1.35 | 9.18 | 0.67 | 2.97 | 7.02 | 3.51 | 2.36 | |
| 2000 | Yakult | Jap Cen | Intl | - | 29 | 1 | 5 | 0.00 | 44 | 0 | 0 | 0 | 0 | 0 | 1 | 52.0 | 50 | 10 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 1.02 | 8.65 | 0.00 | 0.52 | 0.17 | 1.73 | 0.33 | |
| 2002 | Yakult | Jap Cen | Intl | - | 31 | 0 | 0 | 5.23 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 10.1 | 13 | 7 | 6 | 2 | 2 | 8 | 0 | 0 | 0 | 1.45 | 11.32 | 1.74 | 1.74 | 6.97 | 6.10 | 4.00 | |
| 2003 | Yakult | Jap Cen | Intl | - | 32 | 1 | 3 | 2.64 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 47.2 | 46 | 17 | 14 | 2 | 14 | 33 | 0 | 0 | 0 | 1.26 | 8.69 | 0.38 | 2.64 | 6.23 | 3.21 | 2.36 | |
| 2004 | Yakult | Jap Cen | Intl | - | 33 | 2 | 2 | 7.20 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 25.0 | 35 | 21 | 20 | 8 | 6 | 20 | 0 | 0 | 0 | 1.64 | 12.60 | 2.88 | 2.16 | 7.20 | 7.56 | 3.33 | |
| 2005 | Yakult | Jap Cen | Intl | - | 34 | 1 | 0 | 6.28 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 14.1 | 16 | 10 | 10 | 2 | 5 | 4 | 0 | 0 | 0 | 1.47 | 10.05 | 1.26 | 3.14 | 2.51 | 6.28 | 0.80 |
| 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 | - | 32 | P | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | ||
| 2004 | Yakult | Jap Cen | Intl | - | 33 | P | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 |