Ranked: Bruno Fernandes, Mason Greenwood, Ansu Fati and the top 25 stars whose values soared in 2020 - in pictures

Many players have managed to impress during a tough 2020 - but who tops the list?

Napoli star Victor Osimhen's value during 2020 has leapt by £18.24million to £45.61m ($61m). Getty

Federico Valverde of Real Madrid, up £18.24m to £63.86m. Getty

Thibaut Courtois of Real Madrid, up £18.24m to £68.42m. Getty

Trincao of Barcelona, up £19.15m to £27.37m. Getty

Pedri of Barcelona, up £20.07m to £27.37m. Getty

Alessandro Bastoni of Inter Milan, up £20.07m to £41.05m. Getty

Ruben Dias of Manchester City, up £20.07m to £54.74m. Getty

Wesley Fofana of Leicester City, up £20.98m to £24.63m. Getty

Everton striker Dominic Calvert-Lewin, up £20.98m to £41.05m. Getty

Florian Wirtz of Bayer Leverkusen, his first valuation at £21.89m. Getty

Jude Bellingham of Dortmund, up £22.35m to £24.63m. Getty

Pau Torres of Villarreal, up £22.8m to £36.49m. Getty

Marcos Llorente of Atletico Madrid, up £22.8m to £41.05m. Getty

Renan Lodi of Atletico Madrid, up £22.8m to £45.61m. Getty

Diego Carlos of Sevilla, up £22.8m to £45.61m. Getty

Lucas Ocampos of Sevilla, up £22.8m to £45.61m. Getty

Leverkusen's Edmond Tapsoba, up £23.26m to £27.37m. Getty

Bukayo Saka of Arsenal, up £24.63 to £36.5m. Getty

Giovanni Reyna of Borussia Dortmund, a first valuation for the 18-year-old at £27.37m. Getty

Mason Greenwood of Manchester United, up £27.37m to £45.6m. Getty

Manchester City star Phil Foden, up £27.37m to £54.8m. Getty

Bruno Fernandes of Manchester United, up £27.37 to £82.1m. Getty

Barcelona's Ansu Fati has seen his value rise £36.5m to £73m. Getty

Alphonso Davies of Bayern Munich was the joint biggest riser, up £50.1m to £73m. Getty

Dortmund forward Erling Haaland's value saw the joint biggest increase, rising from £41m to £91.2m ($133.6m), a jump of £50.1m. Getty

The year 2020 has been a challenging in one for football with the coronavirus ensuring a stop-start finish to last season, and a late start to the current one.

Matches and training have been disrupted, some lower leagues abandoned, and a host of restrictions for club and fans alike.

But despite the many obstacles, some players have found a way to impress - and as a result their values in the transfer market have soared.

There are many factors taken into account by specialist football website transfermarkt.com - clubs they play for, length of contract, and age are just a few - but the bottom line is these players have been so good on the pitch, they have added millions to their valuations.

The top 25 players in Europe's big leagues are ranked above in reverse order, to show much much they have added to their values. To see the next picture and player price, just swipe.