straight to your inbox every day for freeChelsea boss Thomas Tuchel has admitted he is a fan of both Erling Haaland and Dayot Upamecano but says he will be keeping his transfer dealings behind closed doors.Haaland earlier this week gave an explosive interview over Borussia Dortmund's underachievement so far this season, which has increased speculation he could depart the Bundesliga at the end of the season.