A Hawk-Eye camera (bottom L) is pictured installed pointed toward a goal during a demonstration of the Hawk-Eye Innovations system at Toyota stadium in Toyota, Aichi prefecture on December 8, 2012 which is being used in the 2012 Club World Cup tournament in Japan. Hawkeye, which is familiar from tennis and cricket and uses cameras to track a ball's position and trajectory, will be tested at the competitions in Toyota. The ninth edition of the FIFA Club World Cup football tournament is taking place from December 6 to 16. AFP PHOTO / TOSHIFUMI KITAMURA
Credit: TOSHIFUMI KITAMURA
Marcus Bontempelli of the Bulldogs handballs during a Western Bulldogs training session at Whitten Oval on July 3, 2015 in Melbourne, Australia.
Credit: Robert Cianflone
Cameron Maybin #25 of the Atlanta Braves is congratulated by teammates after knocking in the game-winning run against the Washington Nationals at Turner Field on July 2, 2015 in Atlanta, Georgia.
Credit: Scott Cunningham
JoJo Marasco #1 of the New York Lizards scores on goalie Tyler Fiorito #8 of the Chesapeake Bayhawks during the first quarter at Navy-Marine Corps Memorial Stadium on July 2, 2015 in Annapolis, Maryland.
Credit: Rob Carr
A Crows fan lays flowers at players entrance as a sign of remembrance to the Crows late head coach Phil Walsh on July 3, 2015 in Adelaide, Australia. Adelaide Crows AFL coach Phil Walsh has been found dead after an alleged domestic dispute in his Somerton Park home in Adelaide overnight.
Credit: Daniel Kalisz
Felicity Blunt and Joanne Froggatt attend the Sam Querry v Roger Federer match on day four of the Wimbledon Tennis Championships at Wimbledon on July 2, 2015 in London, England.
Credit: Karwai Tang
Police outside the home of Phil Walsh on July 3, 2015 in Adelaide, Australia. Adelaide Crows AFL coach Phil Walsh has been found dead after an alleged domestic dispute in his Somerton Park home in Adelaide overnight.