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Between The Numbers: SIERA in Stat Reports

March 12, 2010

Just a quick update: SIERA is now available in the Stat Reports.  You can find it by selecting "Pitcher Season" under Custom Reports. 

A sneak peak at the 2009 leaders in SIERA among pitchers with over 150 IP:

  1. Javier Vazquez 2.68
  2. Tim Lincecum 2.73
  3. Justin Verlander 2.79
  4. Zack Greinke 2.83
  5. Dan Haren 2.92
  6. Jon Lester 2.99
  7. Ricky Nolasco 3.04
  8. Roy Halladay 3.09
  9. Josh Johnson 3.34
  10. Josh Beckett 3.34

The rest of the report is here: http://baseballprospectus.com/statistics/sortable/index.php?cid=122325

The Top 5 differences in ERA–SIERA in 2009 (i.e. pitchers due to improve, min: 150 IP)

  1. Ricky Nolasco: 3.04 SIERA, 5.06 ERA
  2. Carl Pavano: 3.92 SIERA, 5.10 ERA
  3. Chris Volstad: 4.39 SIERA, 5.21 ERA
  4. Cole Hamels: 3.55 SIERA, 4.32 ERA
  5. Jorge De La Rosa: 3.63 SIERA, 4.38 ERA

The Top 5 differences in SIERA–ERA in 2009 (i.e. pitchers due to regress, min: 150 IP)

  1. Jair Jurrjens: 4.38 SIERA, 2.60 ERA
  2. J.A. Happ: 4.37 SIERA, 2.93 ERA
  3. Randy Wells: 4.33 SIERA, 3.05 ERA
  4. Matt Cain: 4.09 SIERA, 2.89 ERA
  5. Chris Carpenter: 3.36 SIERA, 2.24 ERA

Enjoy!

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Matt Swartz

 

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Junts1
3/13
Matt, could you get this added under Pitcher Team Year as well? That 'team' isn't a statistical option on Pitcher Season is quite frustrating; there's no real way to just look at the SIERA of one particular staff or another without wading through by IP counts and such.

Reply to Junts1
mymrbig
3/15
Wait, neither Carpenter or Wainwright in the top-10? Beware of Cardinals fans carrying pitchforks, tar, feathers, and a battered-and-bleeding Keith Law effigy!
Reply to mymrbig
swartzm
3/15
Hahaha-- 11th and 12th for Carpenter and Wainwright, respectively, actually. I considered making it a Top 12 to show where they were, but I was afraid that I was letting the pitchforkists win if I did that! :)
Reply to swartzm