noun
home run derby; race for most home runs in a season
Wasei-eigo baseball term for the competition among players to hit the most home runs in a season. Not the same as the MLB Home Run Derby event.
wasei-eigo (Japanese-coined English), from home run derby
今年のホームランダービーは、両リーグの強打者がしのぎを削っている。
This year's home run derby has the sluggers from both leagues competing fiercely.
彼はホームランダービーでトップに立った。
He took the lead in the home run derby.