It’s first and 10 questions to go to test your knowledge of National Football League rules. Before sitting down to watch Super Bowl XLVI in Indianapolis, see how much you really know.
A stack of footballs near the end zone during warmups before the NFL football game between the Pittsburgh Steelers and the St. Louis Rams on Saturday, Dec. 24, 2011 in Pittsburgh.
Gene J. Puskar/AP
Fire engine red
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