Advanced statistics have become a hot topic in recent years with the popularity of sabermetrics in baseball and the emerging "Moneyball" theory.
The idea that player evaluation can only be done by scouts is a thing of the past. Mathematicians and scientists have become valuable tools in the world of baseball and basketball as individual events like at-bats and shot attempts can be easily quantified.
The world of football has been a bit slower to adapt. Perhaps because there are so many variables within in play. Perhaps because football is a team sport and the idea of assigning values to players seems a bit too subjective. Or perhaps it's pure stubbornness.
What ever the reason may be, the world of football statistics has slowly been evolving and there are a few advancements that have come about in recent years.
In the past 15 years, there has been a technological revolution with HDTV, the strategic placement of cameras around football fields, and improved instant replay. The clash of these elements has allowed for the breakthrough of video analysis.
Video analysis gives people the opportunity to break down each individual play to collect data for interpretation.
Let's take a look at five statistics that currently exist that fans need to know about.