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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 ERASIERA 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 SIERAERA 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!