The Reds held a healthy lead from the 4-1 first-leg triumph, of course, but under the intense pressure of the Betis support at the Benito Villamarin Stadium in Seville, Erik ten Hag’s side put in a professional performance to advance to the next stage of the competition.
Who awaits United in the next round? That will be confirmed in the Europa League draw on Friday, which is set to take place at 12:00 GMT. Following Thursday's results, the likes of Juventus, Feyenoord and Roma are in the mix alongside Sporting, who eliminated Arsenal on penalties at the Emirates Stadium.