"I'm sure Sevilla feel the same way, and they already showed in the first leg that they have players and football to make things hard for us".
Manchester United's scoreless draw in Sevilla was not one for the purists - a turgid affair of few clear-cut chances with neither side asserting any sort of authority upon proceedings.
Sevilla's Nolito attends a training session at Old Trafford, Manchester, England, Monday, March 12, 2018.
United go into the clash with the Spanish side following a morale boosting win over the Reds that put them in pole position to secure second position in the English Premier League behind Manchester City.
The France worldwide missed Saturday's 2-1 win over north-west rivals Liverpool due to a thigh injury, but Samuel Luckhurst of the Manchester Evening News confirmed he was back in the squad ahead of Tuesday.
United are considered the favourites following last month's stalemate in the reverse fixture, but Montella - brought in to replace Eduardo Berizzo after the group stage - is confident that his side can snatch victory if they net an away goal.
Writing in his personal blog, Mata said: "After a week with two big games, what can we say about the next one".
"We'll be playing 100 percent to try and achieve that".
"We want to go as far as we can in the Champions League and that starts by beating Sevilla".
"We know we've got to score first and foremost to get through, but we have a lot of confidence in our ability".
"They've been performing very well in Europe for many years and they are very competitive".