Book of Donmon Teith

Drawing on his more than thirty years of experience (including a record four Super Bowls) as the NFL's top referee, Jerry Markbreit describes the hard-hitting,

25 past & present NHL refs & linesmen give the highlights, low points, & tough call of their careers.

How technologies can get it wrong in sports, and what the consequences are—referees undermined, fans heartbroken, and the illusion of perfect accuracy maintai

'A genuine presence on the field, Owen refereed with the perfect balance of respect and authority' Keith Wood 'Owen Doyle contributed hugely to the world of rug

It's not your calls, it's YOUR Communication! Most referee and umpire training materials stink. They spend so much time focused on rules and signals, they miss