NFL expanding game ball data collection to all teams - Global Sport Matters
Yes, the NFL puts microchips in footballs, but they're not ready for prime time on key calls – yet
Built By Data: NFL Helmet Innovation
The future of NFL computerized player tracking and data collection: Its rapid evolution and what comes next
What's really changed in the NFL's 'call to action' on concussions - ESPN
NFL players will all be tracked by RFID chips this season
How Will Real-Time Tracking Change the N.F.L.?
NFL players will wear RFID chips this season to track their movements - The Verge
NFL using RFID chips to track player movements, gather data.
Microsoft will show 'next-gen stats' on NFL app thanks to RFID chips worn by players – GeekWire
The Technology Behind the NFL's Incredibly Precise Stats
NFL investing $60 million in safety innovation technology
NFL will employ three new technologies for a better experience! - Sports Tech and Wearables
Every NFL Football Contains a Computer Chip; Here's How They Work and What the Chips Track