Speed Score

We’ve added Bill James’ Speed Score to the player pages, leaderboards, and team pages.

We’re using the 4 component version, which is an average of Stolen Base Percentage, Frequency of Stolen Base Attempts, Percentage of Triples, and Runs Scored Percentage.

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David Appelman is the creator of FanGraphs.

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Apologies if you’ve answered this before, but a) are Speed Score’s incorporated into players win values and/or wOBA? and b) how much can adding speed scores to the site alter the valuation of a player, both in extreme cases and on average?