At the World Cup, the ratio was 73 out of 169 42 percent.One has to take into account the small sample size, and the fact that VAR increased the number of penalties awarded, but Premier League managers are always looking for a small edge. Perhaps having noticed the difference made by corners and free kicks in Russia, more emphasis will be placed on preparation from dead ball situations?It might be particularly important for teams outside the elite: Leicester, for example,…