Via ESPN:

“I don’t have an answer,” Vinatieri said Thursday. “I don’t know. We’ll see how it feels tomorrow and the next day and the next day.”

Vinatieri, the NFL’s all-time leading scorer, showed up on the Colts’ injury report Wednesday — for the first time this season — as a limited participant in practice because of the knee. He’s awaiting the results of an MRI.

“Felt [pain] a little bit last week and through the game [against Tennessee on Sunday]” and then again Wednesday, Vinatieri said. “Just a little more sharp than what it was before.”

Colts fans would have loved for this injury to have occurred earlier this season.

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