Wayne Rooney has slammed one of Newcastle United’s players for what they did against Manchester United on Wednesday night. Eddie Howe’s side were tipped to beat Man United at Old Trafford, but were unable to pick up all three points from their trip to the North West. Newcastle United lost 3-2 to Erik ten Hag’s side, on what was a frustrating night. The result massively dents the Magpies’ European hopes, and they will know that the first goal of the game was massively avoidable. It came from Kobbie Mainoo, who had the freedom of Old Trafford after a pass from Amad Diallo. The teenager almost lo…