BOSTON (CBS) -- Tom Brady is ready to take on the Chicago Bears on Sunday, and he's having a little fun on social media to show it.

Brady posted a picture of himself on his Facebook page in a boxing stance, ready to take on a grizzly in the ring. Of course, the New England Patriots quarterback was never in any real danger – the photo shows Brady's head pasted onto Will Farrell's body in a scene from the 2008 movie "Semi-Pro."

The Facebook hijinks from Brady have become a regular occurrence this season. Before the Patriots took on the Jets in wet weather earlier this month, Brady posted an illustration of himself, Vince Wilfork and Rob Gronkowski in a "Singin' In The Rain" poster.

And then there was Brady's old resume that went viral in September.

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The Patriots play the Bears at 1 p.m. on Sunday.

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