The midfielder opened the scoring from the penalty spot in Cologne when he calmly dispatched his spot-kick in the ninth minute.
However, Suso’s equaliser and Luuk De Jong’s subsequent winner meant the Spaniards progressed to this week’s final.
Despite that, United dominated large periods of the match and produced 20 shots, seven of which were on target. While Bruno was pleased with the Reds' creativity against Sevilla, he knows United must become more ruthless in front of goal.
“We do a great game, create a lot of chances, but in football that is not enough.