This is the first year NFL players have been able to wear the protective shell on their helmets in regular-season games.

Guardian Caps are soft, protective helmet covers that the NFL authorized players to wear during games this season in an effort to reduce head injuries. Several players have worn them over the first seven weeks,

De’Von Achane became the first Dolphins player to wear a Guardian Cap. Tua Tagovailoa made it clear he won’t be the second.