Mohamed Salah's transfer value has reportedly increased vastly during the period from September 2017 to March 2018 more than any other player in the world, according to findings.
Based on an algorithm developed by the CIES Football Observatory's research team, Salah has edged Manchester City goalkeeper Ederson to claim his status as the player whose value has skyrocketed the most since the summer transfer window.
After Mbappe, Salah's Reds teammate Joe Gomez is a surprise inclusion, and is the players with the sixth most increased transfer value according to CIES.
Leroy Sane is another City star in the list, the 22-year-old winger moved to England from Schalke in 2016 for £37m has seen his value increase by almost £60m.More news: Ukrainian athletes win 5 medals on first day of Paralympics
There are suggestions Bale could be one of the bigger assets sold by Los Blancos this summer as part of a "major overhaul", with funds needed if they're to make a realistic move for Paris Saint-Germain star Neymar.
The 25-year-old, who has been arguably the best player in the English top flight this season, joined the Reds at the beginning of the current campaign from Serie A side Roma, and has flourished ever since.
Manchester United target Sergej Milinkovic-Savic has 11 goals in 37 matches for Lazio this season, while Upamecano, 19, has logged 31 appearances for RB Leipzig.