After scraping past Wolves, Everton and Brighton in their previous three fixtures, Arsenal were far from their fluent best in a first half where the weight of expectation of ending a 22-year wait for a title appeared to be hanging over them.But they came alive after the break with a performance which will serve as a warning to Manchester City ahead of their match against Sunderland on Thursday.“I’m so happy,” said manager Mikel Arteta of his side’s emphatic display. “We play every three days, and today we played an opponent that has won 11 games in a row.
