The last time Manchester United lost a Premier League match was back in October, when Jose Mourinho's side suffered an embarrassing 4-0 defeat to Chelsea. It was a horrendous defensive performance from the Red Devils, who conceded inside the first minute of play at Stamford Bridge and proceeded to sleepwalk the rest of the way.
"We made incredible defensive mistakes," Mourinho said, receiving his worst loss as manager since Barcelona's 5-0 thrashing of his Real…