Think of it as a handy reference, like ERA+ and OPS+, just to see where player ranks with that particular ERA/OPS. I haven't league or park adjusted the numbers, and I'm not sure I will, but here's a look at the top and bottom ten using FIP+ (league FIP (4.22)/player FIP):
| Player |
ERA | FIP | FIP+ |
| Jonathan Papelbon | 2.34 | 2.01 | 210 |
| Mariano Rivera | 1.4 | 2.03 | 208 |
| Grant Balfour | 1.54 | 2.22 | 190 |
| Brian Fuentes | 2.73 | 2.24 | 188 |
| Jonathan Broxton | 3.13 | 2.26 | 187 |
| Hong-Chih Kuo | 2.14 | 2.28 | 185 |
| Kerry Wood | 3.26 | 2.32 | 182 |
| Brad Lidge | 1.95 | 2.41 | 175 |
| Tim Lincecum | 2.62 | 2.62 | 161 |
| Joba Chamberlain | 2.6 | 2.65 | 159 |
And the bottom 10:
| Daniel Cabrera | 5.25 | 5.61 | 75 |
| Justin Speier | 5.03 | 5.81 | 72 |
| Shawn Chacon | 5.04 | 5.83 | 72 |
| Brandon Backe | 6.05 | 5.87 | 72 |
| Tom Glavine | 5.54 | 6.02 | 70 |
| Josh Fogg | 7.58 | 6.07 | 70 |
| Radhames Liz | 6.72 | 6.17 | 68 |
| Miguel Batista | 6.26 | 6.23 | 68 |
| Joel Peralta | 5.98 | 6.3 | 67 |
| Tom Gorzelanny | 6.66 | 6.35 | 66 |
| Gregory Reynolds | 8.13 | 6.81 | 62 |
Not surprisingly a ton of relievers in the top 10, with the top three actually coming from the American League East -- the MLB version of the "Group of Death". My question for everyone is whether you would like to see more work put into this by myself and if you even find it useful at all.
Reference
Poll
FIP+: worth expanding upon (a la league/park adjusting) or not?
Yes (37 votes)
No (7 votes)
It's handy, but not really something I would reference (9 votes)
Yes, but don't league/park adjust it (0 votes)
53 total votes
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