Championship football is back in RG2 after a 10 day break due to the passing of Her Majesty, Elizabeth II last Thursday.
Postponing the trip to Watford out of respect for The Queen, this will be the first time either side have played since last weekend.
Here's everything you need to know.
Form
Paul Ince narrowly missed out on Manager of the Month to Sheffield United's Paul Heckingbottom, but it was still a strong August from the Royals.
Four wins in six matches, a first away win at the Den since 2014 and maintaining the 100 per cent record at the SCL Stadium, Reading are riding high in third.
The Black Cats, under new boss Tony Mowbray, have had a positive return to second tier life, sitting eighth in the division.
Under new management since Alex Neil controversially opted to join Stoke City, the former Blackburn Rovers chief has won one of his two matches in charge on Wearside.
Last time out, Reading beat Neil's Potters 2-1 in front of the Sky cameras, while the Mackems went down 1-0 on television to near-neighbours Middlesbrough.
Team News
The mourning break could have given the Royals a much-needed chance to bring injuries players back into the fold- with Shane Long, Mamadou Loum and Yakou Meite all in contention for minutes.
The visitors are set to be without key striker Greg Stewart, who is out for six weeks, with full-back Dennis Cirkin joing the Scot on the injury table.
Last Time Out: Reading 2-2 Sunderland; Saturday, April 14 2018
Sunderland's last spell in the Championship was a quick one, earning two successive releagtions from the Premier League into League One.
Winning comfortably at the Stadium of Light in December, it looked to go that way earning on at the Madejski Stadium as Liam Kelly gave Paul Clement's side the lead from the spot.
A Paddy McNair long-range strike and Lee Cattermole gave the visitors the lead, but a Yann Kermorgant header ensured the spoils were shared in the Royal County.
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