The Danish striker enjoyed an excellent spell with United's Under-21s early in his career, and marked his Pompey debut with a goal against Leeds. Since then, however, he has slipped down the pecking order and he has now joined Norwegian side Valerenga.

Latest Arsenal news as Newcastle United striker Alexander Isak dealt a potential injury blow amid January transfer links

Alan Shearer has told Arsenal to forget about signing Alexander Isak even if they meet Newcastle United £150 million transfer valuation. The Sweden international has been coveted by the Gunners in the past with interest dating back to his time at Real Sociedad.

Alexander Isak scored his 50th goal for Newcastle United as Eddie Howe's side took a huge step towards the League Cup final with a 2-0 victory at Arsenal on Tuesday.

Newcastle United won 2-0 at Arsenal in the first leg of the EFL Cup semifinals on Tuesday, pulling off a major upset that gives the Magpies a sizable advantage before next month's second leg. Arsenal dominated the match in terms of shots and possession but were trailing by the 37th minute when Alexander Isak gave Newcastle the lead.

Mikel Arteta admits it was “not good” to see swathes of Arsenal supporters leave the Emirates Stadium early during Tuesday night’s Carabao Cup defeat to Newcastle. The Gunners now have a mountain to climb after a 2-0 loss at home against Eddie Howe’s side if they are to reach March’s final.