The 27-year-old, who spent last season on loan at Bayer Leverkusen, becomes Sunderland's 12th signing of the window.

From exciting new signings to promising youngsters breaking through, we look at the major shirt number switches this summer ...

Isidor came on during the second half at the Stadium of Light and scored Sunderland’s third goal in front of a jubilant Roker ...

The moments you may have missed as Sunderland romped to a 3-0 win against West Ham at the Stadium of Light in the Premier ...

Nottingham Forest have reached an agreement with Man City for James McAtee, according to David Ornstein. The Athletic ...

Man United's interest in Brighton midfielder Carlos Baleba is thought to have cooled, but are now considering alternatives.

Amazingly, the 6-foot-2 forward's ice-cold nature in front of goal has even seen him be dubbed as "similar to [Erling] ...

It's an open competition at centre-back after the signing of Omar Alderete, who will get the first chance to prove himself ...

There has been a lot of change this summer - but it was Sunderland's 'old guard' that played a crucial role in the opening-day win over West Ham ...

From their seven goalkeeper and defensive slots, Lineker and Richards chose to keep things relatively light at the back.

The key Fantasy Premier League (FPL) takeaways from Stamford Bridge, as Chelsea had to settle for a goalless draw with ...