The rating percentage index (RPI) is a sports rating system used to help the selection and seeding of teams that will compete in the NCAA Division I men's basketball tournament. It is based on the ...

To this day it is one of the most accurate and well-established linear algebraic rating systems in sports. And Colley’s Method achieves a high level of mathematical precision without ...

ESPN's Football Power Index doesn't give Michigan State much of a chance of reaching the College Football Playoff this season ...

The ratings system will join the nine sports the lab already produces ratings for using their five-star scale. The lab has conducted injury biomechanics research outside sports before, including ...

At the end of the Lions’ win over the Seahawks on Monday night, Troy Aikman mused on ESPN about how the NFL’s official passer rating system could possibly give Jared Goff something other than a ...