noun
rookie of the year
An award or title given to the best newcomer in a sport or other competitive field, such as baseball, sumo, or professional shogi.
彼は今年の新人王に選ばれた。
He was chosen as this year's rookie of the year.
新人王を獲得した選手は、来シーズン
The player who won the rookie of the year award is expected to perform well next season as well.