Red Bull team chief Christian Horner on Friday admitted he had not been approached by seven-time world champion Lewis Hamilton about joining his team. He also made clear the only contact he received had come from his father Anthony Hamilton, who ended his management of his son's racing career in 2010. Speaking to reporters during a news conference at the Abu Dhabi Grand Prix, Horner admitted he had had no "serious discussion" with Hamilton. This came after Horner had told the Daily Mail newspaper that there had been "an inquiry" from Hamilton about the possibility of driving for Red Bull next season, before he signed a two-year extension to his contract with Mercedes. Ham...Keep on reading: F1: Horner admits he was not approached by Lewis Hamilton