As Mahomes scrambled toward the goal line midway through the third quarter Saturday night, Dolphins safety DeShon Elliott collided with him head-to-head. The front of Mahomes’s helmet cracked ...

(This story has been updated to add new information). Nico Iamaleava's helmet was cracked on the very first drive for Tennessee football in its College Football Playoff first-round game at Ohio State.

Surf helmets have been around for decades but the recent photo of big wave surfer Kai Lenny holding his cracked helmet after a heavy wipeout, highlights the difference wearing one can make.

ESPN's sideline reporter Marty Smith reported ahead of the Vols' second drive that the hit by Simon resulted in a six-inch crack in the helmet of Iamaleava, and that the Tennessee freshman QB had ...