Scott McTominay put United ahead after 10 minutes, and the Red Devils looked the more likely to score a second – before Alexis Mac Allister’s deflected effort went in on 44 minutes.
Then just three minutes later, some poor United defending allowed Mohamed Salah to put the Reds ahead at the break.
Manchester United legend Keane has slammed his former side’s defending while singling out Marcus Rashford for criticism.
He said: ‘They are too open. They need someone to protect the back four. Rashford my god. Go out and tackle him
