A deal for either club could prove costly, however, with other reports suggesting that Dortmund could demand a fee of between €70m-80m (£58-66m) for their prized asset. Kobel has made 143 appearances in all competitions since joining Dortmund from Stuttgart back in 2021, while twice being named in the Bundesliga Team of the Season.

Manchester United forward Alejandro Garnacho has been attracting significant interest from various clubs over the past week.

Reports continue to link Chelsea's Christopher Nkunku with a move to Manchester United. Transfer Talk has the latest news, gossip and rumors.

Chelsea are in talks over several deals as the transfer window slowly but surely draws to a close. Chelsea have opened formal talks with Corinthians over 16-year-old left-back Denner. READ MORE Chelsea's pursuit of Alejandro Garnacho could go down to the wire and,