The defender had reportedly asked to leave Sunderland this summer.
Jamie Redknapp has delivered his verdict on the outcome when West Ham United travel to fierce London rivals Chelsea on Monday night.
Kevin Kilbane felt Tottenham Hotspur's first-half showing was disappointing.
Leeds United lost 2-1 to the West Midlands outfit on Saturday.
Celtic lost 2-0 to the Italian giants in a friendly on Saturday night.
Manchester City survived a scare to see off Sunderland on Saturday afternoon but how did Twitter judge Pep Guardiola's first game in charge?
A Gestede brace and a goal from Grealish secured Roberto Di Matteo's men a 3-0 victory over the Millers in their first home game of the season on Saturday.
Everton picked up a point from their Premier League match on Saturday afternoon.
Sunderland are reportedly interested in signing DeAndre Yedlin from Tottenham Hotspur in the summer transfer window.
West Bromwich Albion have been linked with Hull City’s Abel Hernandez.