Txiki Begiristain will be leaving Manchester City at the end of the season. The Spaniard has worked as Director of Football at the Etihad Stadium ever since October 2012 – overseeing a golden period in Manchester City’s history, which has involved seven Premier League titles, one UEFA Champions League and many other pieces of silverware. Furthermore, the 60-year-old has helped to negotiate some crucial deals, such as the signings of Erling Haaland, Rodri and Ruben Dias, while also playing a part in luring Pep Guardiola to Manchester. Hugo Viana will be replacing Txiki Begiristain – but Manches…