Can the NFL survive the mounting evidence of player injuries?

Linebacker Chris Borland played for the San Francisco 49ers in 2014. The 24-year-old player announced his retirement from football in March due to concerns about head trauma.
Bill Kostroun | AP
Go Deeper.
Create an account or log in to save stories.
Like this?
Thanks for liking this story! We have added it to a list of your favorite stories.