Nick Sirianni failed, Nick Sirianni was failed

Kevin Jairaj-USA TODAY Sports In the biggest game of his nascent head coaching career, Nick Sirianni came up empty. He coached like he bet on the Cowboys to cover and hit the over. His game plan and play calling was an embarrassment, he cowardly punted, and in his post game comments he seemed infatuated with the other team’s QB.

Sirianni’s decision to try to air it out when the Cowboys front seven was depleted was inexcusable. He’s right that you can win a shootout against Dallas, in four of Dak Prescott’s last six losses the opposing team scored over 30 points. But Sirianni is apparently the last man on Earth to realize that the Eagles have no ability to do so (not that 30 points is a…