The Minnesota Vikings will wear decals on their helmets this season that read ... was going to develop into a tremendous ...

How many high school football teams have ripped off ... While so many teams have a logo or lettering on their helmets, the Vikings have awesome Viking horns on both sides of their helmets.

USC briefly went to chrome helmets in 2014 and 2015 before returning to the classic look. According to helmethistory.com, the Trojans logo first appeared on football helmets during the 1972 season.