If you thought it was impressive when Robert Griffin III let a young fan sign his jersey at Redskins camp a few days ago, wait until you hear about what the second-year quarterback did Wednesday.

After practice Griffin walked over to Georgia Poole, a 99-year-old who considers herself the Redskins' oldest and biggest fan. As Poole told Griffin that she was confident he would lead Washington to the Super Bowl, Griffin signed her poster.

Poole also had some sage advice for the 23-year-old:

"You be careful," she said. "Don't get hurt."

Griffin later tweeted about meeting Poole, who will turn 100 on August 16.