CTE and concussions continue to cloud Roger Goodell's reign as NFL commissioner – New York Daily News
Is Football Worth The Brain-Injury Risk? For Some, The Answer Is No
Super Bowl 2016: NFL Dodges Concussion Questions
Study provides more evidence of link between football, brain injuries - The Boston Globe
The NFL and players union agreed to an updated concussion protocol : NPR
Goodell says link to CTE is not new, Sports
Commissioner Roger Goodell fully vaccinated, will be allowed to hug draft prospects
NFL's Handling of CTE Controversy Shows Compassionate Conservatism of Roger Goodell in Action - Truthdig
The NFL Can't Seem to Make Up Its Mind About CTE
How Different Are Dogfighting and Football?
NFL admits CTE link: Former, ex-players sound off on concussions - Sports Illustrated
NFL's Roger Goodell downplays player safety concerns amid concussion debate
CTE and concussions continue to cloud Roger Goodell's reign as NFL commissioner – New York Daily News
40 percent of former NFL players suffer from brain injuries, new study shows - The Washington Post