The Browns didn't begin preparing for the Steelers on the field, but via Zoom calls. Hardly ideal before their biggest game in decades.Cleveland had two more positive COVID-19 tests — including one for an assistant coach — on Wednesday, throwing their schedule into disorder as the team gets ready to play Pittsburgh on Sunday with a spot in the playoffs riding on the outcome.The Browns, who have nine players currently on the COVID-19 reserve list, will make the postseason for the first time since 2002 with a win.The team has not yet identified the positive player and coach Kevin Stefanski would not reveal which of his staff members may have to miss the season finale.After learning of the positive tests, the team closed its facility to do.