Football helmets have improved but are far from 'concussion proof' – San Bernardino Sun
2014 San Diego State Football Media Guide by SDSU Athletics - Issuu
SDSU 09 FB MG by Andrea Rogers - Issuu
2019 Wyoming Cowboy Football Media Guide by Wyoming Media Relations - Issuu
Study: Commonly Used Football Helmets Do Little To Protect Against Traumatic Brain Injuries - CBS Philadelphia
Reports: Texas RG Cole Hutson underwent shoulder surgery this week - Burnt Orange Nation
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
With concussions at forefront of minds, helmet designs more important
Football helmets have improved but are far from 'concussion proof' – San Bernardino Sun
NFL, NFLPA approve concussion-reducing helmet for quarterbacks
High-tech helmets designed to lower risk of concussions make NFL debut - The Washington Post