CES: NFL goes high-tech with chip technology
Zebra RFID technologies are changing the NFL Game Day experience
Yes, the NFL puts microchips in footballs, but they're not ready for prime time on key calls – yet
RFID tags to enable real-time tracking of NFL players
Zebra Technologies to Share Key Player Insights from New England Patriots and LA Rams NFL Season - Supply Chain 24/7
How the NFL's New RFID Sensors Work - Gear Patrol
For now, tracking chips in NFL footballs are about player performance data, not officiating - Sports Illustrated
The NFL Is About to Use 2021 Tech and Data to Change the Game for 2022
What data chips in footballs can and can't do - ESPN - NFL Nation- ESPN
NFL 2014 season: New technology in NFL for fans and teams
NFL Improves Player Safety and Spectator Experience with RFID and UWB