The transfer market is a science that few have mastered, yet Mikel Arteta seems to have got to the core of the matter pretty succinctly this week.
"To win the Premier League you have to be the best. That's why you have to strengthen," he said, predicting that next season will be the toughest season in Premier League history.
It's remarkably similar to one of Pep Guardiola's mantras, that every season gets harder for Manchester City, so if they stand still, they will be overtaken.
