負まけ投とう手しゅになる

expression, godan verb (-ru)

to become the losing pitcher; to take the loss

Baseball term. Used when a pitcher is charged with the loss in a game. The subject is the pitcher.

• 先せん発ぱつ投とう手しゅは7回かいに打うたれて負まけ投とう手しゅになった。

  The starting pitcher gave up hits in the 7th inning and became the losing pitcher.

• 彼かれは好こう投とうしたが、味み方かたの援えん護ごがなく負まけ投とう手しゅになった。

  He pitched well, but with no run support from his team, he took the loss.