The season reopens following the All-Star break on 10 March when Washington visits Memphis and San Antonio goes to Dallas.
Two-time MVP winner Antetokounmpo hit 14-of-21 shots from the floor and Khris Middleton finished with 25 points for the host Bucks, who have won seven of their last eight games.
Chriss suffered a right ankle injury and fibular fracture in practice on Saturday as the team prepared for their game against the Bulls.
Durant meshed effortlessly with Kyrie Irving in his first competitive game since the 2019 NBA Finals as Brooklyn Nets defeated Golden State Warriors in Game 1 of the new season.
NBA: Commissioner Adam Silver says league won't 'jump the line' for COVID-19 vaccine ahead of new season
Silver said he hoped NBA players and staff would eventually play a role in helping to assure the public of the benefits of getting the vaccine.
NBA preseason games start on Friday and the regular season begins 22 December.
Teams will face each conference rival three times and each foe from the opposite conference twice during the season. Teams will play between 17 and 20 home games in the first half of the season, with 558 of 1,080 games announced Friday.
Orlando, Atlanta, New York, Detroit, Houston, Chicago, Sacramento, Portland, Charlotte, Phoenix, Memphis, Cleveland and the Lakers are all scheduled to play four preseason contests.
More than 100 other NBA players are unrestricted free agents; another 75 or so can be restricted free agents. What promises to be a chaotic NBA free-agent window opens on Friday.
The NBA has announced the structure and format that will be used during the 2020-21 season
The league plans to start the season with no spectators allowed in team arenas as coronavirus restrictions ban major indoor public gatherings.
The board is targeting a 22 December start to what would be a season of 70 to 72 games, with the NBA Finals ending in June again as has been in the case for many years, according to a person with knowledge of the situation.