Neil Lennon is tipped to be one of the favourites to take over from Ronny Deila at Celtic.
Leeds United are currently 12 points adrift of the top six in the Championship table.
The Saints beat a host of clubs to sign the striker in January, according to reports.
Manchester United assistant Giggs is a big admirer of the Swansea and Wales defender
The Owls are currently sixth in the Championship with nine games to go.
Rafael Benitez has nine games remaining to save Newcastle United from the drop.
Aitor Karanka will continue at Middlesbrough walking out in the build-up to Sunday's game at Charlton.
The former Arsenal midfielder believes the Frenchman should call it a day.
Dortmund lead 3-0 from the first-leg in Germany.
West Bromwich Albion coach Gerry Francis says that both the club and fans must understand their differing perspectives before any criticism is made.
Tottenham Hotspur defeated Manchester City 4-1 at White Hart Lane in the Premier League on Saturday afternoon.
Leeds United will face Middlesbrough at the Riverside Stadium in the Championship on Sunday afternoon.
The Reds already have five players on loan, the most that can be named in a matchday Championship squad.