The New York Giants beat the Dallas Cowboys in a close 10-7 game Sunday, but they may have broken rules in the process.
On Thursday, Paul Schwartz of the New York Post reported the Cowboys filed a request for the NFL to investigate whether New York violated any rules when head coach Ben McAdoo used a walkie-talkie to call plays in to Eli Manning after the radio transmitter in the quarterback's helmet malfunctioned in the fourth quarter.
A source confirmed the report to ESPN.com's Todd Archer (h/t Jordan Raanan of ESPN.