Jose Mourinho has challenged Manchester United to treat the Champions League clash with Young Boys as a knockout match, despite acknowledging victory is not essential.
Mourinho's men are two points off Group H leaders Juventus and two ahead of third-placed Valencia following the 2-1 come-from-behind win in Turin earlier this month.
Subsequent Premier League results have been less impressive - a 3-1 defeat in the Manchester derby followed after the international break by Saturday's uninspiring 0-0 draw at home to Crystal Palace.
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United remain well placed to advance in Europe but Mourinho, who admitted his midfield lacks "aggression", wants his side to shed their lethargy on Tuesday.