noun
corporate baseball; non-professional baseball tournament sponsored by companies
Refers to baseball played by company employees, distinct from professional or school baseball. Often used in the context of tournaments like the 都市対抗野球大会.
彼は社会人野球の強豪チームで活躍している。
He plays for a strong corporate baseball team.
社会人野
The Japan championship for corporate baseball will be held next month.