Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 1Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 2Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 3Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 4Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 5Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 6Goal line tech: We play referee with the Hawk-Eye system ahead of 2013/14 Premier League debut - photo 7