MANCHESTER CITY devoured Watford on Saturday afternoon as Sergio Aguero broke a Premier League record by scoring in each of the first six games in a season. While it took the reigning champions just a minute to stretch ahead of the Hornets, the Argentine, 31, had to wait until the seventh minute to get in on the fun. Netting a penalty after Ben Foster fouled Riyad Mahrez made it eight in six for Aguero after scoring in every game of 2019/20 so far. And City went on to secure a mammoth 8-0 win over Watford, Bernardo Silva chipping in with a hat-trick.No player has registered in each of the opening six games of a Prem campaign before, Wayne Rooney and Jose Antonio Reyes sharing the previous best. In 2011, Rooney bagged nine in five for Manchester United including two hat-tricks – versus Arsenal and Bolton. And former Arsenal hero Reyes, who tragically died in a car accident in the summer, scored a single goal past each of Everton, Middlesbrough, Blackburn, Norwich and Fulham in 2004/05. Notably for Aguero today however is the fact that neither Rooney nor Reyes won the title having started the season so impressively.Arsenal succumbed to Chelsea…