Borussia Mönchengladbach Midfielder Jens Castrop Faces Extended Layoff After Shoulder Surgery

Borussia Mönchengladbach's midfield ranks have been dealt a significant blow with the confirmation that Jens Castrop will require extensive rehabilitation following major shoulder surgery. The versatile South Korean international sustained a dislocated shoulder during a pre-season friendly against FC Rottach-Egern, prompting immediate medical evaluation upon his return to the club.

Following comprehensive examinations, the club announced on Saturday that the 23-year-old will undergo surgery in the coming days. This injury will sideline Castrop for an unspecified period, potentially impacting the opening months of the new season. Borussia Mönchengladbach has not provided a precise timeline for his return to action.

A History of Overcoming Adversity

This is not the first significant injury setback for Castrop. The midfielder, who joined Gladbach from 1. FC Nürnberg for a reported €4.5 million in February 2025, had previously battled a partial tear of the lateral ligament in his right knee. This injury, sustained in April 2025 during a 2. Bundesliga fixture, initially raised fears of a lengthy absence. However, Castrop impressively recovered in time to participate in pre-season preparations and successfully integrated into the Bundesliga squad.

His versatility has been a key asset for Borussia Mönchengladbach. Initially recruited for his central midfield capabilities, Castrop has proven adept at operating in various midfield roles and even demonstrated surprising effectiveness as a wing-back under coach Eugen Polanski. This adaptability became increasingly valuable during Gladbach's challenging 2025/26 season, establishing him as a crucial player and one of the club's more successful recent acquisitions.

International Ambitions and a New Challenge

Castrop's career has also taken a significant international turn. After representing Germany at youth levels, he opted to switch his international allegiance to South Korea, his mother's homeland. He has spoken openly about his deep connection to both countries and his commitment to embracing Korean culture and language, a move that quickly led to senior international call-ups and highlighted his impressive progress following his earlier knee injury.

The Road to Recovery

The current shoulder injury is unrelated to his previous knee issue, but its impact is equally substantial. Instead of building on a season where he showcased his ability to fill multiple positions, Castrop now faces another prolonged period of rehabilitation. His absence will be keenly felt, as he is one of Gladbach's most flexible players, capable of playing as a deep-lying playmaker or an attacking midfielder, and also covering wider areas when needed.

The club's decision not to set a specific return date suggests that a patient approach will be necessary for his recovery. Sporting director Rouven Schröder expressed his disappointment, stating, "This is bitter news for all of us. Now we hope for a good and speedy recovery so that Jens can subsequently rejoin the competition for places."