He was racked up by Peter Boulware on a helmet-to-helmet collision while tossing an incompletion and sat out one play.

And Dennis Byrd, a slight limp the only trace of his paralysis from a 1992 helmet-to-helmet collision.

Intentionally causing a helmet-to-helmet collision is banned in most, if not all, football leagues.

The crack down on helmet-to-helmet collisions has resulted in reappraisals of the sport.

In the NCAA, helmet-to-helmet collisions have been banned for years, but they were illegal only when intentional.

In 2011, a Frostburg State player died from a helmet-to-helmet collision.

After a helmet-to-helmet collision with linebacker Nate Kvamme, Miller was taken to a hospital.

In their helmet-to-helmet collision, Miller toppled backward, the back of his gold-horned blue helmet slamming into the artificial surface.

Boomer Esiason missed five Jet games this season after being knocked out for about four minutes in a helmet-to-helmet collision; he's still undergoing electrode therapy.

(Toyota complied, and excised a scene dramatizing a helmet-to-helmet collision.)