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.

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There are strong reasons why the deals look tempting on paper, with both players potentially better tactical fits under the other coach

Alejandro Garnacho is preparing to leave Manchester United before the January transfer deadline amid interest from Chelsea and Napoli, according to reports. But, on Thursday night, the 20-year-old showcased exactly why Ruben Amorim would be making a mistake by sanctioning his exit so late in the winter window.