The Portland Trail Blazers were without Damian Lillard, out with lower abdominal tendinopathy, and backcourt teammate CJ McCollum.
Bobby Portis scored 20 of his 25 points in the first half to help the Milwaukee Bucks snap a two-game skid vs the Nets.
Lance Stephenson became the first player in NBA history to score 20 points off the bench in the first quarter.
James Harden tied his season high with 39 points and had a season-best 15 assists in the second game of his return.
Harden and the Brooklyn Nets returned from a week-long COVID-19 hiatus to beat Los Angeles 122-115 Saturday night.
There were hopes that Durant could potentially be cleared based on a new agreement the league and the NBPA are working on.
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.
Kyrie Irving back under such circumstances will present some issues to the Nets, they'll have to change their game-plan frequently.
Even without Kyrie Irving, the Nets are still performing at a high level, sitting at 19-8 and in first place in the Eastern Conference.
Kevin Durant was also fined 25,000 dollars in October for throwing the ball into the stands out of frustration during a game.