Watch a 17-year-old pitcher cook the Rays with her knuckleball

Chelsea Baker's pretty awesome. She not only pitches high school baseball in Florida, but she's also pitched a couple perfect games behind a deadly knuckleball taught to her by Joe Niekro. (And she plays in glasses, which is always badass.) She took her knuckler to Tampa and had some fun with the Rays:

Genuinely flummoxed 'em. That thing moves in pretty devastating ways. Of course, even for the best, a knuckleball can be hard to control, and Evan Longoria caught a wild one right in the shoulder blade:

Didn't charge the mound. Not this time.

(via MLB Fan Cave)