The helmet-to-helmet shot knocked Tony Dorsett out cold in the second quarter of a 1984 Dallas Cowboys-Philadelphia Eagles game, the hardest hit he took in his Hall of Fame NFL career. "It was like a freight train hitting a Volkswagen," Dorsett says now. "Did they know it was a concussion?" he asks rhetorically in an interview with The Associated Press. "They thought I was half-dead."
Source: post-gazette.com - Steelers/NFL