Manchester United manager Ole Gunnar Solskjaer criticised his players for treating Sunday's 2-0 loss to Watford like a "testimonial" match.
The Red Devils enjoyed the majority of possession but failed to create many chances of note against the Premier League's bottom side, and two quick goals after the interval from
"The first half it could easily have been my testimonial.
"Any bit of encouragement their crowd got was when we gave them set-plays. And we gave them two goals in the second half.
"Today is not about the amount of possession - it's about quality, how we do things and the two goals we conceded.
"[Pogba] gave us that little bit of edge, quality and urgency," Solskjaer added (via BBC Sport).
"The last half-an-hour when Paul came on, that was probably the only plus today.
The defeat means United missed the chance to force their way towards the top four. They are now seven points behind Chelsea, who extended their advantage thanks to an impressive 2-0 win over Tottenham Hotspur on Sunday.