The two defenders have enjoyed strong starts to the season so far.
Paddy McNair joined Sunderland from Manchester United in the summer transfer window.
Two of the Championship's biggest sides go head-to-head on Saturday evening when Aston Villa host Newcastle United, and eyes will be on their new two big money strikers.
Liverpool will face Hull City in the Premier League this weekend.
West Ham United will face Chelsea in the fourth round of the EFL Cup next month.
Paul Trollope's Cardiff City sit bottom of the Championship but does he have to win to save his job this weekend?
Sellars was part of Newcastle United's Division One winning side of 1992/93 and made 75 league appearances for the club.
The two rivals meet at the Emirates on Saturday evening.
Everton will face Bournemouth in the Premier League on Saturday.
Swansea City's new trialist, Sotiris Papagiannopoulos, is already a ‘big named' signing, but how does he compare to other Premier League players with the longest of names? Former Manchester United, Arsenal and Hull City players also feature.
The new Owls recruit has played alongside a number of illustrious names.
Ilkay Gundogan's surprise debut for Manchester City demonstrated what a good signing he is - and that he will be key to Pep Guardiola's system.