The Denver Broncos have made an unprecedented gesture in support of high-school football throughout Colorado. The Broncos, working with helmet manufacturer Riddell, have arranged for 15,516 Riddell Axiom helmets to be available to all 277 high-school football programs through the state.

The Broncos called it the largest philanthropic investment in the club's 65-year history. Although the team didn't reveal any figures, the smart helmets typically cost more than $