Is the ex-Leeds United boss going to replace David Moyes at Sunderland? Michael Gray hopes so.
Former Crystal Palace manager Alan Pardew is being tipped to replace Carvalhal at Sheffield Wednesday.
Everton are being linked with a move for the Sunderland goalkeeper.
The former Sunderland left-back has slammed his old club's recent recruitment.
Sunderland legend Michael Gray has been discussing the possibility of former Leicester City boss Claudio Ranieri replacing David Moyes.
The Manchester United striker has been tipped for a return to former club Everton this summer.
Sunderland's Defoe was strongly linked with a return to his former club West Ham United.
The Everton boss has been linked with a move to Barcelona.
The Black Cats signed free agent Lescott this week.
Sunderland-owned Fenerbahce winger Jeremain Lens played well against Manchester United in the Europa League on Thursday.