"I think it’s a bit strange that Courtois can decide for himself whether he can come back," Casteels said on Belgian podcast MidMid.

Thibaut Courtois’ decision to return to Belgium duty has not been met with universal approval in the Red Devils camp.Real Madrid’s No.1 is currently eighth on the all-time list of appearances for

Real Madrid star Thibaut Courtois returned to the Belgium national team, sparking controversy and prompting a teammate to resign.

Belgium goalkeeper Koen Casteels has quit the national team in protest at the impending return to the squad of rival Thibaut Courtois.

Belgium's No.1 goalkeeper, Koen Casteels, has made the surprising decision to step away from the national team.