Romeu made his debut in the Barcelona team of Pep Guardiola, surrounded by top players like Xavi, Lionel Messi, and Andrés Iniesta. He later returned to the club in 2023, when Xavi was appointed as the team's coach. Romeu has also played for Chelsea, Valencia, VfB Stuttgart, Southampton, and Girona throughout his career.
In an interview, Romeu recalled his first meeting with Xavi, which took place when he joined Barcelona's first team. He described Xavi as one of his idols, having admired him for years and even attempting to copy aspects of his playing style. Romeu was particularly impressed by Xavi's ability to shield the ball and create space on the field.
Romeu also shared a story about his first training session with Xavi, where they played a positions game with Sergio Busquets, Messi, Iniesta, and Xavi. Despite being frustrated by his own performance, Romeu was in awe of the team's speed and agility. Xavi, however, downplayed the session, stating that they had made several mistakes.
Romeu's experiences with Xavi have given him a unique insight into the coach's personality and playing style. He believes that Xavi has always been able to read the game and make adjustments accordingly, making him an effective coach.