Nigel Clough's Derby County have recorded their second win of the season away at Watford.
The only goal of the match came six minutes after the restart from midfielder Steve Davis. The 23-year-old collected possession from Lee Croft before firing into the roof of the net from 20 yards.
The victory was Derby's first at Vicarage Road since 2009 and their first away in the Championship in seven attempts.
Next up, Watford host West Ham United on Tuesday, August 16 while Derby travel to Blackpool a day later.