Microchips have been in NFL footballs since 2017, but the accuracy still isn't there to fully rely on technology.

This is a collection of photos chosen by AP photo editors.

The controversial fourth down stand by the Chiefs brought up an age old question: Why doesn’t the NFL use a chip in the ball to spot it?

The Kansas City Chiefs are headed to their third straight Super Bowl and their fifth in sixth years. But, it didn't come ...