But even with increasing availability of tracking data, the most valuable work in football analytics is still — and will continue in the foreseeable future —being done with events.
Therefore, one of the most important outputs of tracking data analysis is to improve the definition and richness of events.
Indeed, codifying and recording events is hard work, and sometime not even that objective.
Take this example: Alaba’s pre-assist for Bayern Munich’s first goal against Eintracht Frankfurt. This was the event: