Manchester City's head groundsman will have to keep his eye on during the Arsenal game will be the ball.When competitive games were suspended in March and the scale of the impact of the pandemic became clearer, the Blues were one of a number of Premier League clubs to bring forward planned summer work to their pitch.Lee Jackson, the head groundsman who has been working at the club since Peter Reid was manager, oversaw the work on the pitch at the Etihad that should see it new and improved for