Thanks for the comments guys.
Most, if not everything you gripe about is unfortunately inaccurate. I'll skip the subjective stuff right off the bat since player attributes should not be viewed singularly.
Feel free to check out my threads on twitter about the Turkish Super League player analysis.
https://twitter.com/fmresearchtr/status/1583502420520280068
https://twitter.com/fmresearchtr/status/1583509367759831040
As for the other stuff.
Player wages are shown as gross in the game (as in the cost of the player to the club) rather than net (as in the amount of money the player receives).
So someone Earning 2 million Euro net is going to show as 2 x (1 - %40) = 3.33 million Euro
Regarding Icardi's wages.
He earns 6.75 million Euro net.
This is 6.75 million Euro / (1 - %40) = 11.25 million Euro gross
PSG pays 6 million of this, leaving Galatasaray with 5.25 million Euro
Mertens also receives a signing on fee of 1.1 million Euro on top of 2.9 million Euro.
So that is 4 million Euro net.
Which is 6.66 million Euro gross.
As experienced players of the game, you would notice that this is no different than how we have treated wages in the past.
1. It's a permanent transfer as per Southampton https://www.southamptonfc.com/news/2022-09-08/nathan-redmond-announcement-southampton-besiktas-transfer-2022 Besiktas never specified if it was a loan or a purchase in their announcement. Redmond's contract is apparently 3 years (shown as an option in the database) 2. Taxes are 40% in Turkey for footballers earning above 650,000 Lira 2.2 million Euro net is: 2.2 / (1 - .4) = 3.6 million Euro gross 3. This is perhaps a game error rather than a data error? Player histories are accurate.