article_snippet.sent: Virgil van Dijk has attracted the attention of Sunderland and Southampton while on-loan Denayer will return to parent club Manchester City after making Virgil van Dijk full international debut for Belgium this week.
article_snippet.sent: Celtic will face a challenge to keep hold of the services of highly-rated Dutch defender Virgil van Dijk .
article_snippet.sent: Denayer is expected to return to Manchester City after an impressive loan spell in Scotland .
article_snippet.sent: Repeating the view that -loan Denayer should stay at Celtic to play European football rather than risk a return to the Manchester City reserves, Deila insisted:
highlights_snippet.sent: Hoops could struggle to keep hold of Virgil van Dijk while loanee John Denayer is expected to return to Manchester City .
  