The 20 most expensive signings of the summer transfer window so far

Sadio Mane's move from Southampton to Liverpool is the second most expensive deal of the summer

Chelsea splashed £30m on Leicester City's N'Golo Kante over the weekend - but where does the France international rank among the most expensive deals of the summer transfer window so far?

The window doesn't close until 31 August but clubs have already been spending big to secure the services of their favoured targets.

Here we run through the top 20 most expensive deals involving European clubs so far. Remember you can follow all the latest transfers and speculation in our live Transfer Centre.

Hulk - Zenit to Shanghai SIPG for £46.1m

After four seasons in Russia with Zenit St Petersburg, Brazilian striker Hulk became the most expensive Chinese Super League signing yet when he agreed to join Shanghai SIPG in June. The £46.1m fee could rise with add-ons.

Brazil striker Hulk arrives at Shanghai Pudong International Airport

Sadio Mane - Southampton to Liverpool for £36m

Southampton to Liverpool has become a well-trodden path in recent years, with Mane following his former team-mates Adam Lallana, Dejan Lovren and Nathaniel Clyne to Anfield after two seasons on the south-coast.

Granit Xhaka - Borussia Monchengladbach to Arsenal for £34m

Xhaka became Arsenal's first signing of the summer as Arsene Wenger moved to strengthen his central midfield. The Swiss international arrives in north London after impressing for Switzerland at Euro 2016

Granit Xhaka became Arsenal's first signing of the summer transfer window

Michy Batshuayi - Marseille to Chelsea for £33.2m

A host of Premier League clubs were interested in Belgian striker Batshuayi, but Antonio Conte's Chelsea beat the likes of West Ham and Tottenham to his signature with a deal worth £33.2m.

N'Golo Kante - Leicester to Chelsea for £30m

After playing a starring role in Leicester's historic Premier League title triumph last season, Kante signed a five-year contract at Chelsea for a fee of £30m.

N'Golo Kante has swapped Leicester City for Chelsea

Mats Hummels - Borussia Dortmund to Bayern Munich for £31.5m

Germany defender Hummels became the latest Borussia Dortmund player to move to their arch-rivals, following his former team-mates Robert Lewandowksi and Mario Gotze.

Eric Bailly - Villarreal to Manchester United for £30m

Bailly became Jose Mourinho's first signing as Manchester United manager with a £30m move from Spanish side Villarreal. The Ivory Coast international penned a four year contract at Old Trafford.

Eric Bailly has already featured for Manchester United during pre-season

Renato Sanches - Benfica to Bayern Munich for £27.5m

Bayern Munich made Sanches one of the most expensive teenagers in history when they wrapped up a deal with Benfica before Euro 2016. The fee is worth an initial £27.5m, and there are believed to be hefty add-ons.

Henrikh Mkhitaryan - Borussia Dortmund to Manchester United for £26.3m

After 11 goals and 15 assists in 31 Bundesliga appearances for Borussia Dortmund last season, Mkhitaryan made a £26.3m switch to Old Trafford. The German side's position was weakened as the playmaker was entering the final year of his contract.

Miralem Pjanic - Roma to Juventus for £25.4m

After winning Serie A for a fifth consecutive season, Juventus sealed a £25.4m move for Bosnian midfielder Pjanic, strengthening their squad and weakening that of one of their closest rivals.

Miralem Pjanic (right) is greeted by new Juventus team-mate Paulo Dybala

Grzegorz Krychowiak - Sevilla to PSG for £21.8m

Krychowiak had been linked with Arsenal after two impressive seasons with Sevilla, but French giants Paris Saint-Germain eventually won the race for his signature.

Alvaro Morata - Juventus to Real Madrid for £24m

Speculation over Morata's future has been rife this summer, but he looks set to stay at boyhood club Real Madrid after they activated their clause to buy him back from Juventus.

Alvaro Morata scored three times for Spain at Euro 2016

Breel Embolo - Basel to Schalke for £22m

After emerging as one of the most exciting young players in Europe at Swiss side Basel, teenage striker Breel Embolo sealed a £22m move to German side Schalke.

Ilkay Gundogan - Borussia Dortmund to Manchester City for £21m

Pep Guardiola made Germany midfielder Gundogan the first signing of his Manchester City revolution. The 25-year-old is still recovering from a knee injury, but he arrived at the Etihad Stadium on a four-year contract for a fee of £21m.

Ilkay Gundogan joined City from Borussia Dortmund (Picture: Manchester City)

Samuel Umtiti - Lyon to Barcelona for £21m

Central defender Umtiti sealed a £21m move to Barcelona after a string of impressive displays for France at Euro 2016.

Nico Gaitan - Benfica to Atletico Madrid for £19.7m

Gaitan has repeatedly been linked with Manchester United over the years, but the Argentine midfielder has joined his countryman Diego Simeone at Atletico Madrid.

Vincent Janssen - AZ to Tottenham for £18.6m

Tottenham paid £18.6m for Eredivisie top scorer Janssen to provide much-needed competition for Harry Kane up front.

Vincent Janssen poses with the Tottenham shirt at their training ground

Kevin Volland - Hoffenheim to Bayer Leverkusen for £17m

Bayer Leverkusen raided Bundesliga rivals Hoffenheim for their highly-rated forward Volland. The 23-year-old is a Germany international who can play anywhere across the front line.

Ahmed Musa - CSKA Moscow to Leicester for £15m

Leicester strengthened their forward line with the addition of Nigeria international Musa. The Foxes hope his electric pace will make him a good fit for their counter-attacking style.

Jordon Ibe - Liverpool to Bournemouth for £15m

Bournemouth broke their transfer record to clinch the signing of Ibe. The 20-year-old was attracted by the prospect of regular first-team football at Eddie Howe's side.