Razzball Fantasy Baseball BABIP vs. AVG Comparison

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# Name Team ESPN Y! AB BABIP BABIP (Proj) BABIP (Diff) AVG AVG (Expected) AVG (Diff)

BABIP: Stands for Batting Average on Baseballs In Play. BABIP = (H-HR)/(AB-HR-K+SF). BABIP does vary per hitter based on various factors (line drive rate, their speed, GB to FB ratio, etc.) but a hitter’s BABIP tends to be steady in the long run. Large increases/decreases in BABIP vs. a player’s historical BABIP are often just good/bad luck.

BABIP (2009-2011): Based on 100 AB minimum. Players with < 100 ABs were given the league BABIP average of .300.

Expected AVG: This represents a players’ AVG for the current year if their BABIP matched their 3-year average.

All / Pos: ‘All’ includes every position the player is eligible (20 games started). ‘Pos’ is the position that was used for their Point Share rankings and is the position where the player is judged most valuable. The order of most valuable to least valuable for positions is: C, SS, 2B, 3B, OF, 1B, DH.

Games Through:  The date of the last game which is included in the Player Rater calculations.

  1. Jack says:

    is this going to be updated?

  2. BillyBoy says:


  3. goodfold2 says:

    thanks rudy.

  4. chiropaul says:

    when i click on the headers nothing happens—is this a work in progress where it is not completed?

    • Grey

      Grey says:

      Won’t be going until there’s a full slate of games

      • Billy Boy says:

        @Grey: What exactly constitutes a full slate? <–not trying to be a jerk. Just curious (and immensely grateful once it's up and running).

  5. Eric says:

    How often is the babip vs avg tool upgraded?

  6. Syllogism says:

    May 5/2016 … empty table. Is this a dead tool, is it a browser (Chrome) issue, is it down temporarily?


  7. Syllogism says:

    Question about some of the various tables.

    https://razzball.com/playerrater-babipvavg/ – the projections reflect how the player’s complete season is calculated to wind up as?

    https://razzball.com/playerrater-restofseason-6x6obp-yahoo/ – RoS is performance from the point-in-time the projection is generated until the EoS?

    In other words, if a projected avg in the BABIP v BA tool is, say, .278 … the avg in payerrater-restofseason … of, say, .258 … reflects the player’s performance such as would be expected to bring his current avg of .xxx to the “projected avg” of .278? Am I reading this correctly? … i.e. “Expected swarming regression fairies”.

  8. dfsdfs says:

    Is BABIP vs. AVG going to work for the 2017 season?

      • dfsdfs says:

        @Rudy Gamble: Thanks. I’m going to check it out. What about FIP vs ERA… is there also a magic fix for that?

          • dfsdfs says:

            @Rudy Gamble: Thanks. It’s very cool to be able to communicate so quickly and easily with the wizard behind the curtain. I am enjoying my trial and your tools are very well done. One final question, is there a way to see the hittertron stats from the first couple of weeks of the season? Thanks.

            • @dfsdfs: thanks. I have the projections archived and provide the correlations to actuals at razzball.com/ombotsman. Not sure you will get much not out of them that isn’t on that page.

              • dfsdfs says:

                @Rudy Gamble: Thanks. The correlation page is pretty cool. The more I see of your site, the more impressed I am.

                Actually, what I did in the past was to combine your data with my own statistics, and from that combined data, I have an algorithm to select lineups in my leagues. I purchased your hitterron and DFS packages in 2015, but only about with about half the season left. I was looking for more data (like 2016 for example) so I could merge it with my 2016 data/stats and do some simulated back-testing of my full process. Thanks.

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