"Real Madrid, AC Milan, Porto, Shakhtar Donetsk... there are some tremendous, appetising games in there. We just have to accept what we get. We're in there, that's the important thing.
"There's a great night ahead for us, playing at Old Trafford [in the second leg]. The atmosphere on these nights is fantastic and we normally do okay."
Of the four English teams that started this season's competition, only two - United and Arsenal - remain. Manchester City and Chelsea have both been eliminated, with City knocked out of Europe altogether and Chelsea now facing the prospect of playing in the Europa League.
"Last year and this year [English teams] have lagged behind in terms of getting to the latter stages. For quite a few years we got two or three teams in the semi-finals - two teams, certainly.
"But it goes in cycles and at the moment there's a drop-off [in English team's performances]."
Possible Last 16 opponents:
Draw: 20 December