The defending NBA champions are now aware that the Cleveland Cavaliers are a real threat.
Chicago Bulls regain the top spot in the eastern conference with a win over Cleveland Cavaliers ending Cavaliers 5 match dream run.
Kyrie Irving led the nets on the night scoring 27 points, 7 rebounds and 9 assists as Harden finished with 22 points, 7 rebounds and 10 assists.
Altman inherited Cleveland's GM job when David Griffin stepped down and was thrown into the fire to figure out a trade for Kyrie Irving.
Cleveland led going into the fourth quarter, fell behind by three, then went on a 14-2 run to take a comfortable lead.
Morant scored six of his 26 points in the final 30 seconds, including the go-ahead basket. The Grizzlies to extend their winning streak to six.
Losing Rubio is a major blow to Cleveland, which currently sits as the East's No. 5 seed with the league's fourth-best point differential.
Jaylen Brown scored 34 points and the Boston Celtics beat depleted Cleveland 111-101 on Wednesday night to end the Cavaliers' winning streak.
The NBA is now up to six postponements this season. Earlier this month, the Chicago Bulls had two games postponed because of a COVID outbreak.
The Portland Trail Blazers, Sacramento Kings, Minnesota Timberwolves and Cleveland Cavaliers are also interested in Ben Simmons.