Fans will learn real-time results of NFL's new player-tracking sensors

Thursday's health and safety news from the world of football:

• USA Today reported on the NFL's player tracking system that goes league-wide this season, allowing more player information than ever to teams and to fans. Every player will have two tiny sensors attached to his shoulder pads during the "live" phase. It is expected the information will integrate into the team's health and safety technology as it develops.

• The MMQB.com featuredNew York Jets running back Chris Johnson, who underwent stem cell therapy during the offseason to help his ailing left knee.

• The Gainesville Sun featured researchers from the University of Florida, whose studies have found that the King-Devick vision test can positively diagnose a concussion.

• that Midwestern State University meets the NCAA's new concussion guidelines.

• KECI-TV in Missoula, Mont., reported that research at the University of Montana has shaped the concussion protocol for school's athletic department.

• on the new state law that will limit full-contact practices, which was received cautiously by area coaches.

• The Calgary Herald reported on research that found treating the neck and inner ear could help to speed concussion recovery.

-- Bill Bradley, contributing editor