Köln consider late move for Crystal Palace defender Borna Sosa

Köln are considering a late move for Borna Sosa as they look to add another left-sided defensive option before the transfer window closes.

The move remains at the interest stage rather than an advanced transfer. Sky Germany reports that the Crystal Palace left-back is on Köln’s list, but he is not the only candidate being assessed and there is no indication yet of a formal offer, club agreement or medical being arranged.

That distinction is important because Sosa’s name gives the story more weight than the current stage of the operation. The 28-year-old is well known in the Bundesliga from his five-year spell at Stuttgart, where his crossing, set-piece quality and attacking output made him one of the league’s most productive left-sided defenders.

Köln’s need is specific. The club have been looking for another option on the left side, partly to add competition and partly to bring a more attacking profile to the role. Sosa would fit that idea more naturally than a defensive full-back, given his history as a high-volume crosser and provider from deeper wide areas.

For Sosa, a return to Germany would offer a clearer route to regular football. He joined Crystal Palace from Ajax on a contract running until 2028, but his role in London has not developed into a secure starting position, and a late Bundesliga move could give him a more defined place in a team still building its squad.

The move would also carry limited adaptation risk for Köln. Sosa already knows the league, the tactical demands and the level of intensity, which matters for a club trying to make late-window additions without giving new players months to settle.

The open question is whether Köln turn interest into action. Reports in Germany say the club are examining several left-back options, so Sosa’s situation could move quickly or disappear if another target becomes easier to complete.

Until a bid or agreement is reported, the safest framing is that Köln are weighing up Sosa as a late defensive option, not that a transfer is close. The next step would be a concrete approach to Crystal Palace and clarity on whether the player is ready to return to the Bundesliga.