After a positive first season at Milan, Carlos Bacca could be leaving Serie A. The Colombian striker was essentially a West Ham player after Milan even authorized his trip to London. But the deal is stalled because the Hammers have to first move Diafra Sakho. The striker born in '89 was close to West Bromwich but deal wasn't completed because of the medical- this development has blocked Bacca's move to England at the moment. In the meantime West Ham has closed the deal for Andre Ayew from Swansea, the official anmouncement will be made after Baston joins Guidolin's club from Atletico Madrid.