By Andy Dunn No flags on the Kop, no wind in Liverpool’s sails – this was a night when Jurgen Klopp’s farewell tour hit serious turbulence. It was a night when a Premier League misstep at Old Trafford was followed by a serious European fall at Anfield. Klopp rested Mohamed Salah for 45 minutes and watched his chosen ones rest themselves. With around 15 minutes remaining in the contest, Joe Gomez – with many a team-mate waiting for a delivery into the danger area – took a shot from 25 yards. Klopp erupted as only an angry Klopp can. Not long after, Mario Pasalic shovelled salt into the Liverpoo…