Table of Contents
Here’s the table of contents for today’s edition of the Daily Notes.
1. Pitching Stats with Live and Yesterday Splits
2. Today’s Notable Games (Including MLB.TV Free Game)
3. Today’s Game Odds, Translated into Winning Percentages
Pitching Stats with Live and Yesterday Splits
With the addition recently of both the Live and Yesterday splits to the site’s leaderboards, it’s possible now to get a sense of how players are performing in real time by certain advanced metrics in a way that wasn’t before.
What the author has found himself wondering, though, is how best to adjudge the day’s Champions of Hitting and Pitching using the metrics available at the site. As is the case even with larger samples, there are actually multiple ways of doing so — it’s a matter always, as Dave Cameron suggests, of the particular question one is attempting to answer.
Yesterday, I considered the usefulness of some batting metrics on a single-game basis. Below are three pitching metrics and their relevance to our new Live and Yesterday splits.
xFIP
Yesterday, we established that wOBA is probably the best metric for assessing a player’s batting production per plate appearance. Expected Fielding Independent Pitching, or xFIP, is the closest antecedent for pitchers — except on a per-inning (as opposed to per-plate-appearance) basis. Pitchers who are able to accrue strikeouts while also avoiding walks and fly balls tend to prevent runs more effectively than pitchers who don’t do that. If there’s a drawback to xFIP, it’s that relief pitchers who’ve pitcher 0.1 innings mostly occupy the top of the single-game leaderboards.
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