Liverpool might have to fork out a world-record fee for a manager if Xabi Alonso is to replace Jurgen Klopp this summer.
With the former midfielder under contract at Bayer Leverkusen until the summer of 2026, the Bundesliga leaders are demanding a fee of more than £20m to let him go.
And it could end up costing more than the €25m Bayern Munich paid to bring in Julian Nagelsmann from RB Leipzig in 2021.
Transfer fees for managers remain a relatively new concept - but they are going to become more popular and the amounts will rise further. Here are the top 10 fees biggest paid up until now - with Jose Mourinho and Brendan Rodgers both featuring twice and Chelsea occupying four spots.
Napoli to Chelsea, July 2018
Chelsea splashed out £5m on the ill-fitting, chain-smoking Italian who did not last very long as fans became fed up of his death by a thousand passes style of play. Currently in charge of Lazio following a stint at Juventus.
Southampton to Everton, June 2016
Goodison Park has seen several big names in the dugout but few have worked out. The Dutch playing legend arrived from Saints but oversaw 18 months of mediocrity before being sacked.
Swansea to Liverpool, June 2012
A first appearance on the list for the man now back at Celtic. He lasted 166 games and almost won a first Premier League title at Anfield.
Porto to Chelsea, June 2004
Mourinho cost a healthy sum when Chelsea hired him the first time around in the summer of 2004, as part of Roman Abramovich’s initial wave of huge investment.
Inter to Real Madrid, May 2010
Back so soon! The Spanish giants stumped up a decent fee to bring the Portuguese in from Inter after taking the Nerazzurri to the Champions League - ironically winning the final at the Santiago
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