Have you ever eaten a dog biscuit? Would you, if it was for a good cause?

Rex Ryan has. The Buffalo Bills head coach is excepting what is being called The Dog Biscuit Challenge, a campaign run by the SPCA.

The G-D snack was a part of the Dog Biscuit Challenge, an awareness campaign organized by the Society for Prevention of Cruelty to Animals (SPCA).

"I never realized there are five calories in these bad boys and when I open them up I'm like these are a little small," Ryan said. "So here we go, I have no idea on the flavor."

Apparently, Bills owner Terry Pegula ate a dog treat, as well.

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