Lys Mousset tapped home from a David McGoldrick flick on to score the only goal of the night after half-an-hour.
It proved a frustrating evening for Unai Emery’s side, who saw Bukayo Saka booked for simulation in the penalty area in the first half.
Lys Mousset taps Sheffield United ahead after half-an-hour after latching onto Jack O’Connell’s headed flick on
Mousset is mobbed by his Sheffield United team-mates after they took a first-half lead in Monday’s game at Bramall Lane
Mousset receives a hug from Blades boss Chris Wilder after scoring his second goal for the club since his summer move