Leadbitter was left out as The Black Cats thrashed League One rivals Tranmere Rovers at the Stadium of Light - is the Jack Ross favourite under threat?
George Dobson was a youngster at Premier League outfit West Ham United and now he's playing League One football at Sunderland.
Sunderland brought in George Dobson over the summer transfer window, with Jack Ross strengthening his side in central midfield.
Sunderland midfielder George Dobson has made six appearances in total since being brought to the Stadium of Light.
The Black Cats summer signing impressed for the Stadium of Light side as Jack Ross' charges took a Premier League scalp en route to round three.
The Black Cats new-boy has joined the Stadium of Light from Walsall, which Whitney managed.
Sunderland have snapped up midfielder George Dobson.
The Black Cats have brought the highly rated 21-year-old defensive midfielder to the Stadium of Light.
Walsall captain George Dobson could replace Lee Cattermole at Jack Ross's League One title-favourites Sunderland.
Sunderland apparently want to sign Walsall captain George Dobson as Lee Cattermole's replacement at the Stadium of Light.
Tottenham Hotspur are reportedly keen on Benfica's Ruben Dias.
Soumare is one of Ligue 1's best midfielders and he could be about to become Mourinho's first signing since his return to the Premier League with Spurs.
Tottenham Hotspur defender Japhet Tanganga enjoyed a wonderful pre-season, but has rarely been used this term.
Tottenham Hotspur have been linked with a strange move for Nemanja Matic.
The latest reports suggest that Chelsea winger Christian Pulisic will miss out on playing against Manchester City this weekend.
Tottenham Hotspur boss Mauricio Pochettino has now been replaced by Jose Mourinho.
Tottenham Hotspur players have been quick to wish Mauricio Pochettino well following his departure.
Newcastle United striker Dwight Gayle is said to be interesting West Bromwich Albion boss Slaven Bilic ahead of the January transfer window.
Rangers are reportedly close to bringing Cameron Gascoigne to Ibrox permanently.
The Tottenham Hotspur chairman is ready to heavily back his new manager.