Cooper Flagg - to the surprise of no one - impressed for Dallas in his two Summer League appearances, but he wasn't alone. Hello Bulls and Matas Buzelis.

At Duke, Flagg averaged 19.2 points, 7.5 rebounds, 4.2 assists and earned ACC Player of the Year honors while leading the Blue Devils to the Final Four. He also won the Wooden and Naismith Player of the Year awards and was an All-American.

This article was originally published on www.si.com/nba/mavericks as Cooper Flagg named Summer League winner for Mavericks. Dallas Mavericks rookie Cooper Flagg only needed two appearances in the Las Vegas Summer League to prove that he is legit.