Open Extended ReactionsSo far this summer, Premier League teams have spent transfer fees of at least €35 million on 21 different players. Given the economic might of the Premier League 15 years later, it seems reasonable to assume that the by-far-richest soccer league in the world might also be the hardest league to play in. How the Premier League became the best league in the worldSeemingly every year, we look at the results in the Champions League and have a debate about what is the best league in the world. And he found that when players moved to the Premier League from any of the Big Five leagues, their output decreased. Despite those more efficient possession numbers, Premier League teams didn't score more goals or create better chances than everyone else.