Pierre-Emerick Aubameyang scored twice but we were left kicking ourselves after letting a two-goal lead slip to leave Watford with just a point.
With Alex Lacazette ruled out until the start of October, the Gabon international will be expected to shoulder much of the goalscoring burden – and after a quiet opening, he suddenly burst into life midway through the first half.
The hosts had had the better of the early knockings, and we were indebted to Bernd Leno for a fine save to deny Tom Cleverley before Jose Holebas sliced a shot over when well placed.