FanGraphs Baseball


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  1. With the addition of contract details, it sure would be nice if some of the associated data was available on every player — waivers left, years of MLB service time, etc — though I realize that’s extremely difficult to compile. But hey, you do have the salaries, so….

    Comment by joser — April 8, 2011 @ 2:49 pm

  2. Options are tough to keep track of….I’m not really sure if there’s a place that has that information. But service time you can find at Cot’s Baseball Contracts: It’s updated over the off season, I believe, and I have some information on how to interpret their numbers on the Service Time library page.

    Comment by Steve Slowinski — April 8, 2011 @ 2:58 pm

  3. I find the – sign to be a bit confusing. Really, these stats are about % above and below average so I wonder if ERA%, FIP%, and xFIP% might not be a better symbol.

    Comment by siggian — April 8, 2011 @ 2:59 pm

  4. I agree, I don’t like the minus symbol (and was used presumably in response to the + symbol at

    These stats are “relative to index” stats. Calling it ERA% does seem promising… but what do you do with ACTUAL percentage stats? Say you have “percentage of runners left on base”, and you show 77 for LOB%. Now, what if you want to show that relative to the league average? Are you going to show 110 for LOB%%?

    The other option is to now use cutesy codes, and just suffix everything with “Index”. So, his ERA Index, his FIP Index, and so on.

    Comment by tangotiger — April 8, 2011 @ 3:37 pm

  5. “now use” should be “not use”

    Comment by tangotiger — April 8, 2011 @ 3:37 pm

  6. I think LOB%% will resonate with most fans. I’m for it.

    Comment by Oscar — April 8, 2011 @ 3:57 pm

  7. Manny just retired. Time for a retrospective.

    Comment by Fergie348 — April 8, 2011 @ 4:37 pm

  8. What about iERA, iFIP, ixFIP?

    Didn’t want to use “+”, because there’s already an ERA+, etc…

    Comment by David Appelman — April 8, 2011 @ 4:56 pm

  9. How about fERA, fFIP like people use fWAR and bWAR

    Comment by Brett — April 8, 2011 @ 11:31 pm

  10. I like iERA and iFIP, but then we should really change OPS to iOPS and so on, so we can be consistent with the verbiage.

    Comment by Temo — April 9, 2011 @ 1:42 am

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