Soccer analytics is still in its infancy. I say that because it lacks a central metric – a way of measuring player performance that is widely accepted by the analytics community, club directors, coaches, players, and fans alike. Yet every day, soccer wonks from around the world come a little bit closer to devising such a metric. Here are some of the traits I think it should have: 1. Accessible. Most of the people who work in professional soccer are not experts in mathematics and statistics, so trying to understand the roots of a complex metric may be too time-consuming….
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