In the aftermath of the latest example of the NFL’s imperfections when it comes to determining whether the football got to where the offense needed it to go, it's not time for excuses as to why the ...

The NFL will test an optical tracking system for line-to-gain rulings this preseason, Jonathan Jones of CBS Sports reports. If all goes well, the league will implement the technology for the regular ...

The NFL’s use of the decidedly low-tech 10-yard chain to measure first downs could be replaced by high-tech optical tracking. The league today revealed that a system to measure first downs ...

With the continuous advancement of photoelectric performance in major equipment and advanced instruments, traditional optical elements are increasingly inadequate to meet the demands of modern systems ...