Bruno Fernandes, a Victor Kristiansen own goal and Alejandro Garnacho's belter helped ensure the win, as Ruud van Nistelrooy signed off his four-game interim period in perfect style.
De Ligt, who partnered Lisandro Martinez brilliantly for large parts of the encounter, was proud of our display after we posted a fifth Premier League shutout of the season.
With an international break now providing a platform for Ruben Amorim to build on, the Netherlands international spoke glowingly to MUTV, following the full-time whistle in M16.
"Three points is really important, three goals scored, a clean sheet," began the 25-year-old.