Arsenal show attacking prowess to destroy Watford

Arsenal needed only 12 second-half minutes to blow Watford away 3-0 and move second in the Premier League on Saturday with a display of firepower that had manager Arsene Wenger purring. "In the second half we were relentless and when we scored we continued to go and it was a convincing win," Wenger, whose side have bagged 11 goals in their last three league games, said. After being matched by Watford in the first half at Vicarage Road, Arsenal cut loose with talisman Alexis Sanchez, substitute O