Live updates on transfer rumours.
TransferFeed valuation based on market analysis.
Most recently, in August 2025, Calvin Stengs' loan to Pisa reportedly included a €6 million purchase option. Around the same time, Feyenoord was reportedly willing to accept a fee of approximately €6 million (£5.1m) amid interest from Celtic, and his Transfermarkt value was noted at €7 million. In August 2024, a transfer to Charlotte FC for a reported €8 million collapsed after a medical examination. Prior to that, in June and July 2024, Lazio's interest generated multiple figures, with Feyenoord's asking price reportedly ranging from €15 million to €20 million, while Lazio's offers were reported to be between €10 million and €13 million plus bonuses. His last completed transfer with a fee was from OGC Nice to Feyenoord in July 2023 for €6.0M.
Our valuation is driven by the consistent figures reported in the most recent transfer windows. The €8 million fee agreed with Charlotte FC in 2024 sets a recent ceiling, while the subsequent loan to Pisa in August 2025 included a €6 million purchase option, which aligns with the reported asking price to Celtic around the same time and Calvin Stengs' previous transfer fee to Feyenoord. The higher valuations from Lazio in mid-2024 appear outdated given his subsequent injury issues and diminished role.
Rumored destinations and interested clubs.
Mateusz Bogusz is the closest match according to our proprietary analysis of transfer rumours and club connections.
Follow Rumours
View transfer rumours on our TikTok, Instagram and X.