Koshigaya Alphas

The  Koshigaya Alphas is a professional basketball team that competes in the first division of the Japanese B.League.

Coaches

 * Yoshinori Kaneta
 * Kenji Okamura
 * Kazuto Aono
 * Junpei Takahara
 * Sho Higashijima

Notable players

 * Ryuzo Anzai
 * James Blasczyk
 * Luke Evans (fr)
 * Takeshi Hasegawa
 * Drew Naymick
 * Raymond Nixon
 * Daisuke Noguchi
 * Kenji Okamura
 * Daniel Orton
 * Kyle Richardson
 * Hiroki Sato
 * Daisuke Takaoka
 * Kenji Yamada

Arenas

 * Koshigaya Municipal General Gymnasium
 * Brex Arena Utsunomiya
 * Saitama Prefectural University
 * Dokkyo University
 * Bunkyo University
 * Wing Hat Kasukabe
 * Koshigaya City Minami Gymnasium
 * Mainichi Kogyo Arena Kuki
 * Gyoda City General Gymnasium
 * Kisai General Gymnasium Fuji Arena