Diogo Dalot and Bruno Fernandes made it on to the scoresheet in a match which the Reds could - and perhaps should - have won by more.
Latics keeper Sam Tickle kept out the majority of the 14 shots on target mustered by United, while Andre Onana was a virtual bystander at the other end, after a key save from Thelo Aasgaard in the game’s opening moments.
Here are some of the key talking points emanating from the last of this year’s third-round ties…
WIGAN, IT’S BEEN A WHILE
United hadn’t been to Wigan since January 2013, recording a 4-0 win five months before the Latics dropped out of the top flight and - more memorably - won the FA Cup for the first and only time in their history.