By Toby Cudworth & Graeme Bailey West Ham United are hoping to sell Pablo Fornals in the January transfer window, 90min understands, despite recently activating a one-year extension in his contract. Fornals would have been out of contract at the end of June had West Ham not exercised their one-year option, allowing him to discuss a free transfer with clubs from abroad in January. The 27-year-old has fallen down the pecking order at West Ham and started just his second Premier League game of the season at Fulham last Sunday, when he was hooked after 45 minutes with the Hammers 3-0 down. Fornals…