By Graeme Bailey Manchester City have told a number of clubs who have enquired about Nathan Ake that he is not for sale in January, 90min understands The 27-year-old Dutch defender almost re-joined former club Chelsea in the summer, but the deal collapsed after Pep Guardiola insisted that he wanted him as part of his squad. Now, despite a plethora of options, including new signing Manuel Akanji, Ake has emerged as one of City’s preferred options and he has rewarded Guardiola with a series of impressive displays. Italian giants Inter have been linked in recent weeks, and sources have confirmed …