The top 50 most valuable players in world football including Neymar, Cristiano Ronaldo and Mohamed Salah

Like a high street shop on Boxing Day, the opening of the summer transfer window has brought chaos and confusion to football fans across the globe.

Rumours about players and contract clauses seem to spring up out of nowhere and then odds are slashed on a move taking place, with little or no thorough market research.

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But who really cares? As long as your club signs someone, it's one of the most thrilling times of the season.

Before a ball has even been kicked, fans scour the internet for hastily-assembled compilation videos of their supposed star signing set to a backdrop of ghastly Europop music.

'Reliable' club insiders briefly resurface on social media to spout their transfer secrets, before returning to hibernate until January.

Thankfully, the have created an algorithm to add some concrete science to the transfer market and work out how much a player is worth.

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Taking into account a wide array of variables such as age, contract, position, minutes, goals, international status, team results, the footballing gurus have calculated the transfer values of some of the best players from Europe's top five league.

Scroll down to see if your favourite player managed to make the top 50.

50. Mikel Oyarzabal (Real Sociedad) - €75.9m/£67.44m

49. Lucas Torreira (Arsenal) - €76m/£67.53m

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48. Kai Havertz (Bayer Leverkusen) - €77.2m/£68.60m

47. Pierre-Emerick Aubameyang (Arsenal) - €77.6m/£68.95m

46. Rodrigo Bentancur (Juventus) - €77.8m/£69.13m

45. Thomas Lemar (Atletico Madrid) - €78.5m/£69.75m

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44. Krzysztof Piątek (AC Milan) - €79.2m/£70.38m

43. Sergio Aguero (Manchester City) - €80.4m/£71.44m

42. Anthony Martial (Manchester United) - €80.8m/£71.80m

41. Joshua Kimmich (Bayern Munich) - €81.4m/£72.33m

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40. N'Golo Kante (Chelsea) - €83.7m/£74.37m

39. John Stones (Manchester City) - €84.2m/£74.82m

38. Luis Suarez (Barcelona) - €85m/£75.53m

37. Vinicius Junior (Real Madrid) - €85.3m/£75.80m

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36. Fabinho (Liverpool) - €86.2m/£76.60m

35. Marco Asensio (Real Madrid) - €86.3m/£76.69m

34. Kepa (Chelsea) - €87.2m/£77.48m

33. Rodri (Atletico Madrid) - €88.2m/£78.37m

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32. Andrew Robertson (Liverpool) - €88.3m/£78.46m

31. Saul Niguez (Atletico Madrid) - €93.8m/£83.35m

30. Marc-Andre ter Stegen (Barcelona) - €95.2m/£84.59m

29. Heung-min Son (Tottenham Hotspur) - €97.2m/£86.37m

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28. Richarlison (Everton) - €98.6m/£87.61m

27. Dele Alli (Tottenham Hotspur) - €102.5m/£91.08m

26. Ederson (Manchester City) - €103m/£91.52m

25. Aymeric Laporte (Manchester City) - €105.4m/£93.66m

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24. Alisson (Liverpool) - €107.5m/£95.52m

23. Paulo Dybala (Juventus) - €108.2m/£96.15m

22. Virgil van Dijk (Liverpool) - €112.1m/£99.61m

21. Ousmane Dembele (Barcelona) - €117.1m/£104.05m

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20. Cristiano Ronaldo (Juventus) - €118.1m/£104.94m

19. Eden Hazard (Real Madrid) - €120.7m/£107.25m

18. Marcus Rashford (Manchester United) - €123.5m/£109.74m

17. Neymar (Paris Saint-Germain) - €124.7m/£110.81m

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16. Paul Pogba (Manchester United) - €125.1m/£111.16m

15. Romelu Lukaku (Manchester United) - €125.2m/£111.25m

14. Philippe Coutinho (Barcelona) - €129.4m/£114.98m

13. Trent Alexander-Arnold (Liverpool) - €130.2m/£115.69m

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12. Gabriel Jesus (Manchester City) - €130.6m/£116.05m

11. Bernardo Silva (Manchester City) - €136.9m/£121.65m

10. Leroy Sane (Manchester City) - €137.1m/£121.83m

9. Antoine Griezmann (Atletico Madrid) - €143.8m/£127.78m

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8. Roberto Firmino (Liverpool) - €144.2m/£128.13m

7. Harry Kane (Tottenham Hotspur) - €155.2m/£137.91m

6. Sadio Mane (Liverpool) - €157.8m/£140.22m

5. Jadon Sancho (Borussia Dortmund) - €159.4m/£141.64m

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4. Lionel Messi (Barcelona) - €167.4m/£148.75m

3. Raheem Sterling (Manchester City) - €207.8m/£184.65m

2. Mohamed Salah (Liverpool) - €219.6m/£195.13m

1. Kylian Mbappe (Paris Saint-Germain) - €252m/£223.92m