It's hard to know exactly how much every team's star player is worth when the club has no intention on cashing in.
That's where the CIES Football Observatory ride to the rescue as they offer a true valuation of every side's main man - just in case the bean counters in boardrooms wanted to know!
They rate the player against the current market and financial climate and come out with their true worth as they make public the outcome of their latest study.
But one big name in contention for the PFA Player of the Year award is nowhere to be seen.
Mohamed Salah is still Liverpool's most valuable player, worth £160million they say.
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The Egyptian is in ahead of Virgil van Dijk, widely regarded as the club's stand-out performer this term.
But top of the pile is Harry Kane - despite the England striker suffering a big injury set-back in the Champions League quarter-final first leg with Manchester City.
Kane's actual value is £171m, the stats men at Football Observatory say - with City's Raheem Sterling coming in second at a cool £161m.
He's not had the best of times at Manchester United but Romelu Lukaku is Manchester United's biggest asset.
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Real Madrid are only willing to pay £85m to land Eden Hazard according to reports.
Chelsea may want to thrust these findings under the noses of Bernabeu bosses. His real value is nearer £105m.
Arsenal have already made a profit on Pierre-Emerick Aubameyang, and so have Everton with their buy from Watford, Richarlison.
West Ham will be happy to hear Declan Rice is already worth £60m while Fulham could be tempted to part with Aleksandar Mitrović.
He is still worth £43m despite the Cottagers relegation back to the Championship.
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Here is each Premier League's club's highest valued player....
1. Harry Kane - Tottenham (£171m)
2. Raheem Sterling - Manchester City (£161m)
3. Mohamed Salah - Liverpool (£160m)
4. Romelu Lukaku - Manchester United (£137m)
5. Eden Hazard - Chelsea (£105m)
6. Pierre-Emerick Aubameyang - Arsenal (£72m)
7. Richarlison - Everton (£71m)
8. Declan Rice - West Ham (£60m)
9. Youri Tielemans - Leicester City (£52m)
10. Aleksandar Mitrović - Fulham (£43m)
11. Ruben Neves - Wolves (£40m)
12. Nathan Ake - Bournemouth (£35m)
13. Wilfried Zaha - Crystal Palace (£33m)
14. Nathan Redmond - Southampton (£32m)
15. Gerard Deulofeu - Watford (£32m)
16. James Tarkowski - Burnley (£21m)
17. Shane Duffy - Brighton & Hove Albion (£18m)
18. Jamaal Lascelles - Newcastle United (£16m)
19. Terence Kongolo - Huddersfield Town (£15m)
20. Josh Murphy - Cardiff City (£12m)
