Manchester United drew with Chelsea on Sunday afternoon and Gary Neville was left concerned with one player’s performance. Ruud van Nistelrooy managed a Premier League game first the first time after a week of change in the Manchester United dugout. United sacked Erik ten Hag last Monday and quickly announced his successor with Ruben Amorim named the new United boss on Friday. Amorim won’t actually arrive until the international break though, leaving Van Nistelrooy to take charge of three more United games. The first came on Sunday and United looked to be heading for a 1-0 win after Bruno Fern…