Adelaide's Round Three clash with Gold Coast has been rescheduled for 3.05pm (AEST).
The game will be televised live on Channel 7 in Adelaide from 2.35pm (ACST).
Essendon was set to face Melbourne at 3.05pm (AEST) at the MCG on Sunday, but the game has now been postponed.
The AFL confirmed on Saturday that Bombers defender Conor McKenna had tested positive for coronavirus.