Celtic were linked with Lasse Vigen Christensen in the summer but Brondby signed the Danish midfielder from Fulham instead.
Fulham's Danish midfielder Lasse Vigen Christensen is reportedly on the radar of Celtic, Sheffield United and Birmingham City.
Burton Albion's Lasse Vigen Christensen aided Fulham's play-off hopes by beating Leeds United on Saturday.
Aston Villa courted Lasse Vigen Christensen in 2014 - but now Fulham are likely to be far more receptive to an offer.
Kit Symons once claimed Fulham prodigy Lasse Vigen Christensen could reach the very top - but will he unleash his potential at Celtic ?
Birmingham City, Celtic and Sheffield United are reportedly keen on Fulham midfielder Lasse Vigen Christensen.
HITC Sport understands Fulham are ready to loan out Cauley Woodrow and Lasse Vigen Christensen.
After beating Middlesbrough 2-1 in the League Cup, Fulham fans took toTwitter to praise the team's performance.
Championship side Fulham defeated Premier League new boys Middlesbrough 2-1 in their EFL Cup second round tie.
The Danish under-21 captain looks a top talent.