David Gold has revealed Kieron Dyer cost West Ham United a staggering £16million in his four injury-hit years at Upton Park.
The club signed Dyer, starring in I'm A Celebrity ... Get Me Out Of Here!, from Newcastle United in 2007 for £6million.
Dyer went on to play just 30 league games for West Ham, who paid him £10million in wages.
Co-chairman David Gold revealed the figures on Twitter.
In response to a question from a fan, he tweeted: "Kieron moved to West Ham for 6m in 2007 played 30 league games with out scoring left in 2011 total wages 10m."
Dyer retired from playing in 2013 after a brief spell at Middlesbrough.