Bayern are understood to have an agreement in place to extend Karl’s deal on his birthday, but we can reveal that talks are ongoing about a further extension – potentially locking him into a fresh four-year contract.
This move underlines Bayern’s determination to make Karl a centre-piece of their long-term plans.
Heading into 2026 and before his birthday, a number of top clubs have maintained contact. Real Madrid, Barcelona and Paris Saint-Germain are all confirmed admirers, while we can reveal that Arsenal, Chelsea, Liverpool and Manchester City have also kept a line of communication open, regularly checking on his situation.