LAS VEGAS -- Danica Patrick said she doesn't have a concussion from Sunday's hard crash at Phoenix, but she joked she might have one from Thursday night when a rock hit her in the head. "I feel like I got a concussion last night when I got hit with a rock at the [Las Vegas Motor Speedway] dirt track," Patrick said Friday. "It's really sore. It hit me straight in the head and I went to the ground. Good thing I had a hat on or I feel there would have been blood."
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