| Player | Season | DOB | Pos | Height | Nationatlity |
|---|---|---|---|---|---|
| Yasuaki Arai | 2008/09 | 22 May 1983 | G/F | 180 cm (5-11 ft) | JAP |
| Walter Brown-Matsushima | 2008/09 | 13 Oct 1975 | F/C | 200 cm (6- 6 1/2 ft) | USA |
| Koutaro Fujimoto | 2008/09 | 04 Jun 1977 | G | 183 cm (6- 0 ft) | JAP |
| Reina Itakura | 2008/09 | 11 May 1981 | F | 194 cm (6- 4 ft) | JAP |
| Shingo Kajiyama | 2008/09 | 28 Oct 1976 | G/F | 190 cm (6- 3 ft) | JAP |
| Hidenori Kashiwakura | 2008/09 | 06 Aug 1980 | G | 173 cm (5- 8 ft) | JAP |
| Taizon Kawabe | 2008/09 | 13 May 1982 | G/F | 190 cm (6- 3 ft) | JAP |
| Jo Kurino-Dews | 2008/09 | 28 Jul 1980 | F | 195 cm (6- 5 ft) | USA / JAP |
| Masashi Obuchi | 2008/09 | 12 Sep 1983 | G | 182 cm (6- 0 ft) | JAP |
| Adam Parada | 2008/09 | 21 Oct 1981 | C | 213 cm (7- 0 ft) | MEX |
| Takuya Sato | 2008/09 | 25 Aug 1983 | F/C | 198 cm (6- 6 ft) | JAP |
| Carl Thomas | 2008/09 | 07 Sep 1976 | F | 200 cm (6- 6 1/2 ft) | ISV |
| Shingo Utsumi | 2008/09 | 28 Apr 1984 | G | 188 cm (6- 2 ft) | JAP |
| Jun Uzawa | 2008/09 | 28 Aug 1981 | F | 198 cm (6- 6 ft) | JAP |
| date | type | home | visitor | result |
|---|---|---|---|---|
| 17 Jan 2008 | Regular | Mitsubishi Diamond Dolphins | Sun Rockers | 75 - 91 |
| 18 Jan 2008 | Regular | Mitsubishi Diamond Dolphins | Sun Rockers | 72 - 85 |
| 26 Sep 2008 | Regular | Seahorses | Mitsubishi Diamond Dolphins | 65 - 55 |
| 27 Sep 2008 | Regular | Seahorses | Mitsubishi Diamond Dolphins | 61 - 72 |
| 05 Oct 2008 | Regular | Mitsubishi Diamond Dolphins | Toyota | 67 - 75 |
| 10 Oct 2008 | Regular | Panasonic | Mitsubishi Diamond Dolphins | 85 - 51 |
| 11 Oct 2008 | Regular | Panasonic | Mitsubishi Diamond Dolphins | 69 - 75 |
| 18 Oct 2008 | Regular | Tochigi Brex | Mitsubishi Diamond Dolphins | 87 - 76 |
| 25 Oct 2008 | Regular | Brave Thunders | Mitsubishi Diamond Dolphins | 70 - 58 |
| 26 Oct 2008 | Regular | Brave Thunders | Mitsubishi Diamond Dolphins | 70 - 65 |
| 02 Nov 2008 | Regular | Mitsubishi Diamond Dolphins | Hokkaido | 74 - 66 |
| 09 Nov 2008 | Regular | Sun Rockers | Mitsubishi Diamond Dolphins | 73 - 50 |
| 15 Nov 2008 | Regular | Mitsubishi Diamond Dolphins | Seahorses | 67 - 96 |
| 16 Nov 2008 | Regular | Mitsubishi Diamond Dolphins | Seahorses | 81 - 88 |
| 21 Nov 2008 | Regular | Toyota | Mitsubishi Diamond Dolphins | 80 - 65 |
| 22 Nov 2008 | Regular | Toyota | Mitsubishi Diamond Dolphins | 89 - 78 |
| 29 Nov 2008 | Regular | Mitsubishi Diamond Dolphins | Panasonic | 77 - 95 |
| 30 Nov 2008 | Regular | Mitsubishi Diamond Dolphins | Panasonic | 88 - 68 |
| 06 Dec 2008 | Regular | Tochigi Brex | Mitsubishi Diamond Dolphins | 79 - 58 |
| 07 Dec 2008 | Regular | Tochigi Brex | Mitsubishi Diamond Dolphins | 91 - 62 |
| 13 Dec 2008 | Regular | Mitsubishi Diamond Dolphins | Brave Thunders | 64 - 75 |
| 14 Dec 2008 | Regular | Mitsubishi Diamond Dolphins | Brave Thunders | 76 - 74 |
| 20 Dec 2008 | Regular | Hokkaido | Mitsubishi Diamond Dolphins | 60 - 78 |
| 21 Dec 2008 | Regular | Hokkaido | Mitsubishi Diamond Dolphins | 62 - 81 |
| 25 Jan 2009 | Regular | Seahorses | Mitsubishi Diamond Dolphins | 84 - 69 |
| 31 Jan 2009 | Regular | Mitsubishi Diamond Dolphins | Toyota | 85 - 90 |
| 01 Feb 2009 | Regular | Mitsubishi Diamond Dolphins | Toyota | 89 - 76 |
| 08 Feb 2009 | Regular | Panasonic | Mitsubishi Diamond Dolphins | 84 - 81 |
| 14 Feb 2009 | Regular | Mitsubishi Diamond Dolphins | Tochigi Brex | 74 - 97 |
| 15 Feb 2009 | Regular | Mitsubishi Diamond Dolphins | Tochigi Brex | 62 - 86 |
| 22 Feb 2009 | Regular | Brave Thunders | Mitsubishi Diamond Dolphins | 102 - 74 |
| 28 Feb 2009 | Regular | Mitsubishi Diamond Dolphins | Hokkaido | 80 - 85 |
| 01 Mar 2009 | Regular | Mitsubishi Diamond Dolphins | Hokkaido | 72 - 84 |
| 06 Mar 2009 | Regular | Sun Rockers | Mitsubishi Diamond Dolphins | 72 - 70 |
| 08 Mar 2009 | Regular | Sun Rockers | Mitsubishi Diamond Dolphins | 66 - 61 |