This is the 2404th most frequent Japanese word.
バックス
"バックス" (bakkusu) is a transliteration of "backs" in English, often referring to the rear or reverse side of something, or sports positions such as "backs" in rugby.
バックス is used here to refer to a position in sports, specifically in rugby or similar games, meaning 'backs'.
彼はその試合でバックスとして重要な役割を果たしました。
He played an important role as a back in that game.
バックス denotes a group of sports players in the 'backs' position, emphasizing quality among them.
彼はバックスの中でも特に優れた選手です。
He is an especially excellent player among the backs.
バックス here refers to the defensive positions or players in soccer, targeting the strategy around such members.