Conforming to their status as a bona fide European giant, Barcelona have fielded some of the most star-studded squads in the history of the sport. While their stock has taken a massive hit in recent times, playing for the Blaugrana was considered to be the pinnacle of a footballer's career back then.Legendary players to have played for BarcelonaDiego Maradona and Lionel Messi will definitely make an appearance in the bracket of the greatest players of all time. Such has been Barcelona's stature that both Argentinians were contracted to the club in different time periods. Brazilian maestro Ronaldinho also played a crucial role in shaping up the modern-day Barcelona.Luis Suarez, who was the last Spaniard to win the Ballon d'Or, got his hands on the prestigious award during his time at Barcelona. Multiple who's who of the footballing world have donned the famous Blaugrana shirt with Xavi, Johan Cruyff, Carles Puyol and Rivaldo being a few of them.AS English@English_ASXavi, Iniesta, Messi... from teenagers to legends 🏆🏆🏆Would you rank the three of them among the best 10 players ever? 🧐#Barcelona #Soccer3:30 AM · Sep 24, 20211369Xavi, Iniesta, Messi... from teenagers to legends 🏆🏆🏆Would you rank the three of them among the best 10 players ever? 🧐#Barcelona #Soccer https://t.co/rL9Ik3DjiDWith such an elite roster, Barcelona have been fortunate enough to shelter many players over the years. While almost all of the mentioned footballers have hung up their boots, a hoard of relatively unknown entities are still playing elsewhere. On that note, let's take a look at five former Barcelona players you wouldn't believe are still playing club football:#5 Alen Halilovic (Reading)Halilovic after scoring for Birmingham in 2021Considered to be a prodigy since his Dinamo Zagreb days, Alen Halilovic was Barcelona's answer to Real Madrid's acquisition of Martin Odegaard. At the tender age of 18, the Croatian phenomenon was snapped up by the Catalan giants for a nominal fee of €5 million in 2014. Initially playing for the B team, Halilovic was officially promoted to the senior squad in 2015.An immediate loan move to a faltering Sporting Gijon followed. His side's struggles directly affected his game, but Halilovic did show flashes of brilliance. However, the youngster failed to impress then Barcelona manager Luis Enrique and was sold to Hamburger SV in 2016 after just a single first appearance for the first team.Talk Reading@TalkReadingOnce of Barcelona and AC Milan, now at Reading…Good to have you aboard, Alen Halilović 🤝 #readingfc10:01 AM · Aug 31, 20211144Once of Barcelona and AC Milan, now at Reading…Good to have you aboard, Alen Halilović 🤝 #readingfc https://t.co/3YjeAl9uj3AC Milan decided to take a punt on him two years later, but to no avail. Halilovic possessed obvious talent, but he failed to produce anything substantial with his abilities. After underwhelming stints at Heerenveen and Birmingham City, the 25-year-old failed sensation is now toiling in the Championship with Reading.#4 Nolito (Celta Vigo)Nolito also had a brief spell with SevillaThe fact that Nolito was a product of Barcelona's esteemed academy resurfaced during the Spaniard's sensational run of form in the mid-2010s. His heroics with Celta Vigo earned him a big-money move to Manchester City in 2016, linking up with fellow Catalan Pep Guardiola on English shores.Prior to his move to Celta Vigo, Nolito was part of Barcelona's youth setup, regularly turning out for the B-team. After just five appearances for the senior squad that produced one goal and one assist, he was shipped off to Benfica in 2011 on a free transfer.B/R Football@brfootballCelta Vigo's back-up goalkeeper got a long-term injury.Celta were allowed to make an emergency signing per La Liga's rules.They signed former striker Nolito 👀6:09 AM · Jun 18, 2020110251572Celta Vigo's back-up goalkeeper got a long-term injury.Celta were allowed to make an emergency signing per La Liga's rules.They signed former striker Nolito 👀 https://t.co/CZWVVcmhpLA loan move to Granada followed, and he was subsequently picked up by Os Celestes, who sensed his potential. Although his escapades in the Premier League ended in flames, Nolito is now back with the club where he first earned a name for himself, which is Celta Vigo.Also read: Ranking 5 greatest forwards who partnered Lionel Messi at club level