So what are those stickers on Ohio State's helmets? ... Ohio State has a deep and rich history when it comes to football and its sleek uniforms, ... per ESPN. "They were tennis ball-sized stickers." ...

How helmet comms will impact college football Shehan Jeyarajah 9 min read Inside John Mateer's 'crazy' journey to OU ...

Like many traditions in college football, Ohio State’s helmet stickers have an origin story that isn’t so clearly defined. ... with Nein noting that they were “tennis ball-sized. ...

Coach-to-player helmet communication shuts off at the 15-second mark on the play clock or when the ball is snapped, whichever happens first, and remains off throughout the down.

Like many traditions in college football, Ohio State’s helmet stickers have an origin story that isn’t so clearly defined. ... with Nein noting that they were “tennis ball-sized. ...

Seven-time champion Novak Djokovic talks about the importance of the ball toss as the Serbian scored his best ever serving performance in his second-round win over Dan Evans at Wimbledon.

During a celebration for the WFAN Yankees play-by-play broadcaster’s 85th birthday Tuesday, Sterling was presented with a football helmet from Big Blue about a month after he took a ball off the ...

Cubs catcher Yan Gomes wore football helmet after tackling Drew Smyly Gomes took it all in stride, even embracing the trolling over his tackling skills. When he turned up for his postgame ...

Helmet communication is coming to college football – perhaps sooner rather than later – and the key might rest on the cut-off time between plays. The Terrapins were one of a handful of teams ...

Bowling the 11th over, Pathirana's first ball was a sharp short delivery that struck Kohli on the helmet. Due to the hit, Kohli even had to be checked for concussion, as is mandatory.

This popular tennis ball pick up hopper allows you to keep up to 75 tennis balls in one spot. Plus, it is portable. This hopper can be carried with handles that lock into the legs.