Hansi Flick began his tenure at FC Barcelona in the summer of 2024 with a focus on young talents from the club's academy and Barça Atlètic. Before deciding on their promotion to the first team, the German coach requested detailed reports on each player to understand their potential and characteristics.

One such player was 22-year-old Gerard Martín, who arrived from Barça Atlètic with experience in the Primera RFEF. Initially, Flick was unsure if Martín could immediately break into the first team, but the defender's discipline and strong learning ability convinced the coach to include him in the main squad.

During the 2023/24 season, Martín initially played as a left-back. However, after the surprising departure of Íñigo, the team's left-sided central defender, Flick began testing Martín in central defense. This switch proved successful: Martín adapted quickly and became a valuable rotational player. His stats stand out — 19 starts as a central defender resulting in 18 wins and 1 draw, highlighting his importance.

Flick noted that Martín's success didn’t come from intense individualized training but rather from his innate qualities and hard work. Playing centrally has unlocked new facets of his game: high aerial duel success rates, passing accuracy, and confidence with the ball at his feet.

Flick’s approach of carefully analyzing youth prospects and gradually integrating them into the first team is yielding strong results. Martín’s story showcases how promising academy players can swiftly become foundational members, strengthening Barcelona’s defensive line.