Tottenham Hotspur allowed the Algerian to join Schalke this summer.
The Wales star elected to leave Anfield for Stoke City this summer.
Philippe Senderos could make his competitive debut for Rangers this weekend, according to David Weir.
The Everton ace was in fine form on international duty.
The Hoops met Rangers in the Scottish Cup semi-final last term.
Mark Warburton's Ibrox side Glasgow Rangers visit Celtic on Saturday.
Joel Ekstrand has signed for Bristol City.
Sweden drew 1-1 with the Netherlands on Tuesday night.
Portugal, without talisman Cristiano Ronaldo, lost 2-0 to Switzerland in their opening World Cup qualifier.
Loris Karius is back in Liverpool training after a recent injury.