Where does it say that?
Looked extensively at EVERYTHING posted today, no mention of the Sunderland fixture, only the Bristol Rovers one.
This is when Sunderland's game at Blackpool could be moved to as EFL consider changing kick-off time due to Prince Philip's funeralThis weekend’s EFL fixtures – including Sunderland’s trip to Blackpool in League One – could be brought forward to Friday evening, according to reports.www.sunderlandecho.com
Here posted further up the thread 10 minutes ago
That's not confirming though is it, until the official site says for certain whether it will be 12:30 or 17:30 then it isn't confirmed in my opinion.