Wednesday, December 30, 2009
The Best Stuff On EarthPosted by Jeremy Greenhouse
I've been looking at a pitcher's "stuff" using pitchf/x data recently, and here's how I would rank the top five starters of 2009 by stuff:
1. Clayton Kershaw
2. Brett Anderson
3. A.J. Burnett
4. Felix Hernandez
5. Zack Greinke
Kershaw might be a step above the field.
1. Matt Thornton
2. Jonathan Broxton
3. Kevin Jepsen
4. Brian Wilson
5. Mariano Rivera
1. Henry Rodriguez
2. Daniel Bard
3. Juan Morillo
4. Joel Zumaya
5. Daniel Schlereth
Rodriguez in 75 pitches threw 90% fastballs averaging 99 MPH.
Now, if you'll allow me, I have a couple of questions for you, the reader.
First, do you think that a left-handed pitcher who throws 94 has better stuff than a right-handed pitcher who throws 94?
Also, some pitches are devastating against same-handed batters, but useless against opposite-handed batters. Should the sweeping slider be labeled a *nasty* pitch against same-handed batters and a mediocre pitch against opposite-handed batters? Or should it be regarded as a decent pitch on average, since it has the same characteristics no matter against whom it's thrown.
Any questions? Feel free to email me.