All the testing procedures put in place have kept the NFL from having a COVID outbreak - until now. 8 members of the Tennessee Titans (5 players and 3 staffers) tested positive this week. Because of the tracking technology, The NFL is confident they have contained the outbreak.
As a result of this the Titans have closed their facilities until Saturday. Which poses a problem, as they we due to host the Steelers on Sunday. I don't think there is any way they can host that game on schedule.
The NFL has just announced an official postponement of the Sunday with no concrete date in place yet for the rescheduled game. There are two scenarios in play to reschedule the game that I am aware of:
Option A - Move the game to Monday night 10/5.
Option B - Move the game to Tuesday night 10/6.