Being retired is hard for many former football players, especially watching the first regular-season game not in uniform. So recently retired Ravens center Matt Birk decided to get into game spirit by putting his helmet back on.

"Just watching the game," he wrote. "Ready if needed."

The Baltimore Ravens definitely needed something Thursday night, though probably not Birk. Regardless, he kept a fairly amusing running commentary on his Twitter account throughout the Ravens' 49-27 loss in Denver. A few of our favorites:




Birk announced his retirement in February.

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