Football’s a dangerous sport, and players get sidelined by serious injuries by all the time. And things only intensify in the playoffs.

Just ask Kimble Anders. In 1995 he was the fullback for the Kansas City Chiefs, who were just two wins away from playing in the Super Bowl. But first they had to beat the Indianapolis Colts.

That day Anders suffered a concussion, one of football’s most common injuries. But the way he got it is a real surprise—and goes to show that the hardest blows don’t always come from the other team.

Here is Kimble Anders, a veteran of 10 NFL seasons that included three consecutive appearances in the Pro Bowl, sharing one of the most unexpected injuries of his career.