Instant replay: How the NFL left soccer in the dark

Photos: Officiating technology in sport
Touchdown controversy – NFL fans were in uproar earlier this week, when refereeing mistakes led to a last-minute touchdown by the Seattle Seahawks being awarded, giving the franchise a win over the Green Bay Packers. Top-level officials have been locked out of the NFL over a new collective bargaining agreement.
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Photos: Officiating technology in sport
Lampard's lament – Football has had numerous goalline controversies, leading to calls for the sport to adopt technology. Most notably at the 2010 World Cup, when England's Frank Lampard saw his "goal" disallowed in a match against Germany, despite the ball landing well over the line. The incident led to FIFA president Sepp Blatter admitting that the sport needed to embrace goalline technology.
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