► 名詞
一軍 [いちぐん] meaning: team rank: 4
☆ 彼は一軍に昇格した ⇨ He was promoted to the first team (☛ The first team, A team, of sports organization)
球団 [きゅうだん] meaning: team rank: 4
☆ プロ球団の価値はどんどん上昇している ⇨ The values of professional baseball teams have kept rising (☛ Usually refers to a baseball team, but can refer to any ball-sport team. Also usually refers to an entire organization, including sales, accounting, etc.)