Pep Guardiola believes Watford could rouse themselves to make life tough for Manchester City on Sunday.
City need at least a point in their final game of the season at Vicarage Road to earn another shot at the Champions League.
But, given Watford's recent troubles - with five successive defeats preceding a decision to part company with manager Walter Mazzarri this week - City will be expected to claim the win that will secure third place in the Premier League.
Guardiola, however, is taking nothing for granted and has warned that the 16th-placed Hornets are capable of finishing the campaign with a flourish.