Why Premier League teams (yes, especially Liverpool) are so dangerous after defending corners

“The cyclical nature of tactical evolution in football means that when something is in vogue, it’s only a matter of time before everyone catches up. The increased focus on attacking corners in the Premier League in the last couple of seasons — accompanied by the rise of set-piece specialists — correlated with a hike in the number of goals scored from corners. However, the defensive aspect of corners is equally important. The recent threat of attacking corners in the Premier League has logically been followed by a focus on defending from corners. Has it worked? …”
NY Times/The Athletic (Video)