FC Barcelona is undoubtedly one of the greatest clubs in the history of world football.The Spanish heavyweights have boasted several world-class players in their ranks over the years. The likes of Lionel Messi, Xavi and Iniesta have represented the club and furthered its legacy over the past couple of decades.Sporting Index@sportingindexXavi's Barcelona this season in La Liga: 15 games 10 wins 1 defeat 33 goals scored 14 goals concededStarted in ninth position, they're now third in the table. 9:14 AM · Mar 14, 202218Xavi's Barcelona this season in La Liga:👕 15 games✅ 10 wins❌ 1 defeat⚽️ 33 goals scored🚫 14 goals concededStarted in ninth position, they're now third in the table. 👏 https://t.co/gi2NmCQMXnLike many others, the Blaugrana are known for being active participants in the transfer market. Every transfer window sees several players depart for other clubs, making way for new entrants to take a shot at adding to the club's legendary history.Let's take a look at five players who could return to Barcelona in the future.#5 Alex Grimaldo | BenficaAjax v SL Benfica - UEFA Champions League Group EAlex Grimaldo came up through Barcelona's youth academy before signing for Benfica.The Spaniard never made a professional appearance for Barcelona's senior team and moved to Portugal in 2016. Primarily a left-back, Grimaldo has been a reliable figure in Benfica's back-line over the past few years.GOAL@goalOne year since Alex Grimaldo unleashed this 5:56 AM · Mar 16, 20202003247One year since Alex Grimaldo unleashed this 🚀😱https://t.co/q83CmYV9DCGrimaldo has been linked with a return to the Camp Nou in the recent past. His performances have caught the attention of his former club, who are reportedly keen to have the Spaniard rejoin the Camp Nou.Considering their overdependence on Jordi Alba, the Blaugrana will be looking to have Grimaldo challenge for a first-team spot in the left-back position. Grimaldo will bring substantial European experience and flair should he return.#4 Marc Cucurella | Brighton & Hove AlbionBrighton & Hove Albion v Burnley - Premier LeagueMarc Cucurella has been in excellent form ever since signing for Brighton last year.Fabrizio Romano@FabrizioRomanoExcl. Marc Cucurella to Brighton, done deal and here-we-go! The release clause has been matched and paid few minutes ago. Brighton will pay €18m to Getafe. #BHAFC #GetafeCucurella will fly to England today in order to sign his contract. Announcement soon.1:49 AM · Aug 30, 2021278711983Excl. Marc Cucurella to Brighton, done deal and here-we-go! The release clause has been matched and paid few minutes ago. Brighton will pay €18m to Getafe. 🔵🇪🇸 #BHAFC #GetafeCucurella will fly to England today in order to sign his contract. Announcement soon. https://t.co/vGYsd9aFErThe Spaniard is a left-back by trade and is also capable of playing as a wide midfielder. He has added a boatload of energy to Brighton's back-line and has been in excellent touch this season.GOAL@goalMarc Cucurella looks to be some player Will Barcelona regret letting him go? 🤦‍♂️10:20 AM · Sep 10, 202084060Marc Cucurella looks to be some player 🌟Will Barcelona regret letting him go? 🤦‍♂️https://t.co/yA93AKAg5bCucurella is blessed with incredible pace and dribbling ability. His passing is top notch and it's fair to say that he has excelled with the English outfit. Cucurella, along with wing-back partner Tariq Lamptey, are considered to be two of the most promising talents in the Premier League.Statman Dave@StatmanDaveAgainst Chelsea, Marc Cucurella ranked 1st amongst Brighton players for: Successful passes (52)Final third passes (25)Ball recoveries (12)Tackles won (6/7) Chances created (2) Played a major role in Brighton’s solid performance last night. 2:53 AM · Jan 19, 202297435Against Chelsea, Marc Cucurella ranked 1st amongst Brighton players for: Successful passes (52)Final third passes (25)Ball recoveries (12)Tackles won (6/7) Chances created (2) Played a major role in Brighton’s solid performance last night. 🇪🇸👏 https://t.co/7RpFMlNgS0Cucurella came up through Barcelona's academy and went on to make two loan moves before signing a permanent deal with Getafe in 2020. A year later, he signed for Brighton and has thrived ever since. Many believe that he could re-join the Camp Nou this summer.