FOX NFL broadcaster David Diehl, left, shows off his "Movember"...

FOX NFL broadcaster David Diehl, left, shows off his "Movember" mustache during a break in calling a game on Nov. 16, 2014. Credit: Twitter/@daviddiehl66

It wasn't David Diehl's work as a Fox analyst for the Giants-Jaguars game last weekend that got most of the social media attention.

It was the mustache the former Giant wore as part of "Movember," a movement to raise awareness of men's health issues, including prostate and testicular cancer.

Diehl said he has lost an uncle and a coach to male-specific cancers.

"Did it look ridiculous? Absolutely," he said. "But I was doing it for a good cause and a good reason."

Now that it's December, the 'stache is gone. But the cause goes on.

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