More detailed and readily available data and a thriving analytics community on Twitter have produced a series of new statistics and visualizations for football fans. In this series I will try to give a brief definition of various metrics, background on charts and sources for where to find them going forward. Passing Networks Passing Networks contain two main types of information: average positioning of each player and most frequent passing links between players of one team. Each node typically represents the average location of a player. This provides additional information on the game plan and tactical approach of a team on top of the lineup sheets and graphics we usually see before a game. In these pregame charts lineups tend to be symmetrical and pressed into preassumed tactical formations which don't necessarily represent what is happening on the pitch. Each edge or link between nodes highlights a frequent passing path between two players. More important passing links ca