[Seibu]Left-handed training pitcher “Former Dora 2” Hamaya Shota is in his sixth year in professional life, and is in the fastest battle for registration under control with Nakamikawa and others (5:00)

[Seibu]Left-handed training pitcher “Former Dora 2” Hamaya Shota is in his sixth year in professional life, and is in the fastest battle for registration under control with Nakamikawa and others (5:00)