also: ハーラー・ダービー
noun
pitcher wins race; hurler derby
A baseball term for the competition among pitchers to achieve the most wins in a season. Wasei-eigo from English 'hurler derby'.
wasei-eigo (Japanese-coined English), from hurler derby
今シーズンのハーラーダービーは、彼がトップに立っている。
He is leading the hurler derby this season.