At Viva El Birdos our confusingly named PitchF/X correspondent, vivaelpujols, has used Major League Baseball's incredible data to compile a detailed look at Jaime Garcia's vaunted pitch selection.
↵↵↵The most interesting thing I can say about Jaime's stuff is the incredibly wide range of movement it gets. His fastballs all are thrown with roughly the same velocity and vertical movement but vary greatly in horizontal movement. Some of that variation is due to park calibration errors in the Pitch f/x cameras, but a lot of that is real. The pitch that I'm labeling a cut fastball (which might just be a variation of the fourseam fastball) averages around -1 inches of movement. The average fastball from a left handed pitcher moves about 6 inches towards the first base bag and Jaime's fourseam fastball moves around 4 inches, so his cutter has 5-7 inches of cut - if that makes sense. The other variations of his fastball have pretty typical movement for a lefty. In addition, all pitches are above average velocity wise, which is always a good thing.
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If graphs like this give you paroxysms of joy instead of headaches, the rest of the article—one of the most comprehensive you'll read all year—is definitely worth a look.