The ankle injury sustained by Ja Morant on Monday will keep him out for three to five weeks, the Memphis Grizzlies announced.
Ja Morant needed a wheelchair to exit after the Memphis Grizzlies guard suffered an ankle injury.
Ja Morant became the second Grizzlies player to win the award after receiving 99 first-place votes for a total of 498 points.
Ahead of the Western Conference play-in, the Memphis Grizzlies will happily be underdogs.
Zion Williamson has been spectacular since his delayed NBA debut, but Ja Morant has no doubt who should win the Rookie of the Year award.
Ja Morant led the Memphis Grizzlies to a win over the Los Angeles Lakers and earned effusive praise from LeBron James.
A spot in the NBA playoffs with the New Orleans Pelicans is more important than the Rookie of the Year award for Zion Williamson.
Zion Williamson, Ja Morant and Luka Doncic will be among the headline acts in the NBA Rising Stars Challenge.
It was a night to remember for Ja Morant, who says the Memphis Grizzlies have been fuelled by being written off this season.
Ja Morant knocked Kevin Love over when he took off with an attempt at a slam dunk in the Memphis Grizzlies' defeat to the Cavaliers.