Wins Above Replacement (WAR) vs. Wins Above Average (WAA)

First, an introduction: I’m Adam Darowski and I’m a longtime fan (and occasional commenter) of HHS and its previous incarnations. If you’ve seen my name before, it was likely related to the Hall of wWAR work that I’ve done. I also contribute to Beyond the Box Score and Baseball Past and Present. This is my first post at HighHeatStats, though I already have another project in the works. Hi, everyone!

When Baseball-Reference updated their Wins Above Replacement (WAR) framework, they included Wins Above Average (WAA). Personally, I found this to be a tremendous addition. I had recently started calculating and visualizing Wins Above Average based on Rally’s original WAR spreadsheets. While B-R rendered all of my underlying data useless, they at least had the decency to save me from redoing all my work.

As I’ve started using WAA, I’ve had people ask me:

  • What’s the difference between WAR and WAA? and
  • Why haven’t we just been using WAA all along?

While both metrics are similar, they do serve very different purposes.

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Thursday game notes (light schedule)

Mets 3, D-backs 1Matt Harvey was 4 for 15 with a HR at Buffalo, so I guess he’s not just kidding around up there. In his MLB debut, Harvey went 2 for 2 with a double and then a single, each with 2 strikes. On the hill, the touted righty (picked 7th just 2 years ago) fanned the first man he faced, and went on to set a new Mets debut record of 11 strikeouts, 3 more than the old mark by Tom Seaver (who else?) and matched by Bill Denehy just 3 days later.

Adam Dunn and triple-W games

In a recent post, John Autin identified that Jim Thome has the most career games with at least one of each of the TTO components – a walk, a strikeout and a home run. John called this phenomenon the “Thome Trifecta”, but I’m going to try a different moniker – triple-W, for a walk, a whiff and a whallop.

The leader in this category for 2012 is Adam Dunn of the White Sox, with 14 triple-W games so far this season, including 3 in a row against the Royals coming out of the All-Star break. After the jump, I’ll take a closer look at this phenomenon.

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