Manchester City fans were left stunned last week after it was reported Txiki Begiristain would be leaving the club at the end of the season. The Spaniard has been Pep Guardiola‘s right-hand man for years at the Etihad Stadium, and has been the unsung hero of the club’s success in recent years. He’s been responsible for bringing some superb players to the club, and without his brilliant recruitment, Guardiola may not have been as successful as he has been. Begiristain will take a sabbatical after leaving Man City, before then returning to the game. He will apparently not retire. City have confi…