When 80,000 fans pack MetLife Stadium each time the Giants and the Jets play this season, they are unlikely to notice the 22 new radio receivers placed discreetly around the building. Nor will they see the radio frequency chips embedded in every player’s shoulder pads.
But with this gear, fans watching on television and following on the Internet will be able to see how fast and far players are running, how far offensive players are from their defenders and other statistics and data-driven graphics.
Like Major League Baseball, the N.B.A. and other sports leagues, the N.