The extraordinary new format and timing of the FIFA Club World Cup (CWC) has created a bit of a conundrum for the summer transfer window, with the competition, in effect, conflicting with the usual mid-June start of the window and leading to a few new headaches when it comes to registering players for the competition and conducting business between teams (especially when both teams are in the Cup,

The Premier League says it will have two transfer windows this summer to allow Manchester City and Chelsea to sign players before the Club World Cup.

Clubs in the English top flight will now be able to recruit and retain players in a special window between June 1 and 10.