Sam Allardyce has left his position as England manager by mutual consent after just one game in charge of the national team.
The Football Association will "take a deep breath" before deciding on Sam Allardyce's future as England manager, chairman Greg Clarke says.
Czech captain Tomas Rosicky sustained an unspecified injury, while Hertha Berlin playmaker Vladimir Darida had surgery after injuring an ankle.
Austria striker Marc Janko is doubtful for next month's World Cup qualifiers against Wales and Serbia because of a thigh injury.
Boro defender Gibson has impressed at the start of his first season of Premier League football, sparking speculation that Allardyce will call him up.
Verratti joined PSG in the summer of 2012, with his arrival in the French capital from Pescara overshadowed by the unveiling of Zlatan Ibrahimovic.