Several City starlets have shone at Parkhead.
Sunderland could be busy during the summer transfer window.
Coutinho netted a hat-trick for Brazil in the Copa America.
Spurs ended up finishing the Premier League in third position.
Sunderland are expected to back Sam Allardyce with funds during the summer transfer window.
Everton are reportedly targeting the Burnley and Brighton and Hove Albion defenders this summer.
Tottenham Hotspur striker Harry Kane is expected to lead the line for England at Euro 2016.
The Paraguayan has found his form in his homeland.
Liverpool will announce their released and retained list tomorrow.
The Spanish boss refused to suggest how many players Newcastle will sign this summer but appears confident in his current squad.