Stoke City winger Marko Arnautovic has handed in a transfer request - giving West Ham the green light to make a move.
West Ham's pre-season fixtures in Austria and Germany are being broadcast live.
Kids' match day ticket prices for Category A games at the Olympic Stadium next season will be the highest in the Premier League, a survey has discovered.
Enner Valencia has completed a medical ahead of his planned move to Mexican side Tigres.
West Ham have added another date to their pre-season schedule, this time against rather more local opposition.
The Olympic Stadium will host a rugby match between North London club Saracens and rivals Harlequins on Saturday, 24 March - slap bang between two West Ham home games.
Colombian international Luis Muriel is the latest striker to be linked with West Ham.
Enner Valencia has touched down in Mexico ahead of rubber-stamping his move to Tigres.
West Ham's opening game of the 2017/18 season will be featured live on TV.
Pedro Obiang has been rewarded for an excellent 2016/17 campaign with an extended contract.