Mathias Kvistgaarden is reportedly on the radar of English Premier League side West Ham United.
The striker has long been linked with a move to Celtic.
Kvistgaarden has scored 23 goals in 38 Brondby appearances this season. He was recently called up to Denmark's senior squad for the first time.
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Now, ahead of the summer transfer window, the 23-year-old is on West Ham's radar as an attacking option, claims MailSport.
He was recently dubbed a 'tormentor' of defences by Denmark boss Brian Riemer: "He could have been called up sooner, but he had a couple of injury setbacks," he said.
"Kvistgaarden hit really good form at the end of the season, so it was natural he was selected.
"In almost all the matches I've seen Kvistgaarden play, he's been a tormentor for the opponents' defences. He really gets a lot out of a little.
"He is a guy who believes in even the most impossible chance. He is willing to run with and without the ball. So I look forward to seeing him in camp."
Kvistgaarden himself was delighted at maiden his call-up.
He said: "I'm incredibly proud to have been selected for the Denmark team.
"It's huge for me and it's the opportunity to represent my country was something I never thought would happen during my time here."