Borussia Mönchengladbach have signed teenage defender Jan Leszczyński from Legia Warszawa. The 19-year-old centre-back has committed to the German side on a long-term deal that runs until 2030.
The Poland U19 international arrives from the Polish capital having caught the attention of scouting networks across Europe. His six-year contract suggests Gladbach view him as a long-term investment rather than immediate first-team cover.
The agreement secures his future until he turns 25, covering a crucial phase of his development as he transitions from a teenage prospect to an established senior professional. Such long-term security is uncommon for a player yet to make his top-flight breakthrough, reflecting the depth of the club’s conviction in his ability to succeed at the highest level.
Scouting assessment
Rouven Schröder, head of sport at Gladbach, highlighted the defender’s versatility and mentality upon confirming the transfer. He described Leszczyński as a “very talented centre-back” with an “exciting blend of attributes” and “huge potential.”
Schröder pointed to specific qualities that attracted the club, noting the player is “strong in the challenge, good in the air, two-footed” and “comfortable playing out from the back.” He also praised Leszczyński’s character, calling him “very focused and ambitious.”
Player reaction
Leszczyński expressed his enthusiasm for the move, stressing the club’s reputation for youth development. “I’m very grateful to be given the opportunity” at Borussia, he said, citing the side’s “great history” of “helping young players progress.”
The teenager outlined his determination to succeed in Germany. “I’ll give everything” to earn his place and “help the team achieve success,” he added.
Development pathway
The transfer represents a significant step up for the defender, who now faces the challenge of adapting to Bundesliga football. At 19, Leszczyński enters a critical phase of his career, with the security of a lengthy contract allowing time to adjust to the physical and tactical demands of senior football.
He becomes the latest young centre-back to join Gladbach’s ranks as the club continues its strategy of identifying and nurturing defensive talent from across Europe. The coming months will reveal whether he integrates directly into the senior squad or initially gains experience through the club’s development pathways.