United overcame the much-vaunted German side 5-0 at home last Wednesday, winning plaudits for a stunning display but slipped to a 1-0 defeat against the north Londoners.
Pierre-Emerick Aubameyang’s second half penalty won it for the visitors in a cagey match that leaves the Reds still in 15th position in the Premier League.
And our skipper was asked to explain the result afterwards.
“It is hard to point a finger on it. We didn’t start the game well, gave the ball away far too much in the first half,” Harry told Sky Sports.
“We can’t find excuses so we just have to look within.