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NFL isn't ready for high-tech replay - NBC Sports
NFL games are taking way too long – so here are eight ways to speed things up, NFL
NFL's instant replay officials have new powers, but owners weren't interested in other major rules changes - The Boston Globe
Yes, the NFL puts microchips in footballs, but they're not ready for prime time on key calls – yet
Georgia to consider instant replay for high school football games
Philadelphia Eagles clinch top NFC playoff seed - Sports Illustrated