Grizzlies are winning. Why are they better when Ja Morant has more assists, fewer points? - The Commercial Appeal

Grizzlies are winning. Why are they better when Ja Morant has more assists, fewer points?  The Commercial Appeal

source https://www.commercialappeal.com/story/sports/nba/grizzlies/2021/04/14/ja-morant-stats-memphis-grizzlies-dallas-mavericks-nba/7075407002/