Koen Casteels Thibaut Courtois BelgiumGetty

'I am no longer available' - Belgium No.1 Koen Casteels QUITS national team in protest against 'red carpet' Thibaut Courtois return

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  • Courtois clashed with previous Belgium boss Tedesco
  • New manager keen to reintroduce him
  • Casteels fuming over decision