FRONTLINE

Should the NFL be Afraid of Chris Borland?

Clip: Season 32 Episode 2 | 6m 9s

NFL sensation Chris Borland was known as a fearless player, but after just one season he retired because he was afraid of head injuries. Now, Borland is known as the most dangerous man in football, a powerful voice in the NFL's growing concussion crisis.

Aired: 12/21/15

Rating: NR

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