Michigan schools struggle with declining football numbers
Future of football safety could come down to research in Riddell's suburban Chicago office
How one Indy school is protecting its players from head injuries
Riddell's Axiom could be breakthrough helmet for football
Smart football helmet may help detect concussions
New Riddell SpeedFlex football helmet pits technology vs. concussions
Riddell's Smarter Football Program Aims to Make Game Safer - SI Kids: Sports News for Kids, Kids Games and More
The future of football: How concerns about head injuries are changing youth sports in Madison, Local News
Report warned Riddell that no helmet could prevent concussions but NFL's helmet-maker marketed one as such anyway - ESPN
Man wins right to sue Riddell football helmet company over son's 'wrongful death' : r/CFB
How Science And Engineering Are Working To Save Football
Gator Good in 2015: UF Involved in Landmark Concussion Study - Florida Gators
As brain-injury research expands, football participation falls in SD and across US
Super Bowl 50 special report: Is football an endangered species? – East Bay Times