The NBA's Board of Governors approved a competitive format to restart 2019-20 season with 22 teams returning to play. The 22 teams returning to play will tentatively start on Friday, July 31.But what does that mean for the 2020-21 season?With the NBA Finals slated to end no later than October 12, the season will have to be delayed. Last season began on October 22, 2019.This year, the NBA Draft is scheduled to take place on Oct. 15.It's a fluid situation, but the NBA says "the 2020-21 NBA regular season would likely begin on Dec. 1, 2020There is still a lot of unknown about the 2020-21 season. Will the NBA try to condense the schedule to get back to a normal timeline for 2021-22? Will the NBA schedule forever be permanently altered?Another note to keep in mind, the 2020 Summer Olympics in Tokyo was postponed to 2021, beginning on July 23, 2021. That could put the NBA Finals just a couple of weeks before the Sumer Games begin.