It happened in Pro Football Hall of Famer Joe DeLamielleure's first game in the NFL. It was bone-crushing collision that sent him wobbling to the sidelines.
"All I remember is getting smelling salts on the bench," said DeLamielleure.
Head injuries in sports is a concern for grown men playing professional football to little girls playing muppet league soccer.
"I don't remember exactly what happened," said Myers Park High School soccer player Katie Little.
Little got hurt in a game last October. It was an injury that changed everything, especially her memory.
"I mean it dropped really bad," said Little. "I was like crap, I'm in school this can't happen."
Should you let your child play sports? Hear from those who played and the experts. Find out what parents need to know Thursday at 11:00 on WBTV News 3.