Blackburn have nine points from their last nine games, and rarely troubled the home back line apart from their goal.
With just one win in seven championship outings, Rovers’ promotion charge is faltering, which has coincided with a barren spell for Ben Brereton Diaz, who has now gone 13 games without scoring.
Head coach Jon Dahl Tomasson, though, felt his side did well against a side he considered high quality, but wanted more in attack.
He said: “At the end of the day, coming away from Watford with a point, when you see their squad and the players they have at Premier League level, I think ...