Transfer rumour · 2026

Mees de Wit to 1. FC Köln

AZ Alkmaar → 1. FC Köln · Probability 61% · fee €5.3m–€7.4m · rumour

Updated 8h ago

1. FC Köln are pushing to sign Mees de Wit from AZ Alkmaar, in the region of €5m–€7m. Plettenberg and Berger have it.

Stage: Link → Interest → Advanced

Where Mees de Wit could go: 1. FC Köln 61% · stays 39%

How the story has moved

1. Florian Plettenberg · Advanced talks · 2026-09-01
   “🚨🆕 If the Borna Sosa deal doesn’t happen, Mees de Wit from AZ Alkmaar is the alternative for 1. FC Köln. Talks have already taken place. Köln are now carrying out another check o”
2. Patrick Berger · Interest · 2026-09-01
   “🚨🔴⚪️ Mees de Wit (28/🇳🇱) von AZ Alkmaar ist die Alternative beim 1. FC Köln, falls Borna Sosa nicht klappt. Gespräche fanden bereits statt. #Effzeh will noch LV holen. @Sky_Mar”

The money

The fee for Mees de Wit is reported around €5.3m–€7.4m, against a market value of €5m.

• Mees de Wit profile, value & stats
• 1. FC Köln transfers & squad
• AZ Alkmaar transfers & squad
• Bundesliga transfer rumours, scored
• All live transfer rumours, scored by probability
• Borna Sosa to 1. FC Köln · 88%

Read the full briefing, the sources behind it and the money trail. Open on transfertracker.ai