By Sean Walsh Cole Palmer scored twice deep into stoppage time to earn Chelsea a stunning and improbable 4-3 win at home to Manchester United on Thursday night. The Blues squandered a two-goal lead and appeared to be heading to defeat until their mercurial youngster came up with goals in the 100th and 101st minutes. Pressure will be considerably piled on Erik ten Hag, who was being monitored from the Stamford Bridge stands by Sir Jim Ratcliffe, after another inconceivable collapse. How the game unfoldedChelsea went ahead with only four minutes on the clock. Space was vacated down United’s left…