A stat that we don’t talk about much just hit the stabilization point, meaning it’s offering us more signal than noise. Pull percentage! It only takes about thirty balls in play to stabilize, and so it’s fairly easy to quickly see if a player has changed their approach at the plate in this way. Even opposite field percentage, which takes 65 balls in play, is pretty much stable for most hitters by now.

A player we do talk about a lot is Jorge Soler. Dripping with upside, the slugger hasn’t performed quite to expectations this year, whiffing more and looking a bit lost at the plate sometimes. As a consequence, he keeps showing up in trades, as some look to use the remaining promise to cash in, while others see this as a last chance to buy an emerging slugger.

Let’s look at the player through the lens of the stat.

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For all the Anthony DeSclafani and Chase Anderson love I’m getting in my inbox and Twitter feed, there’s equal parts consternation when it comes to Drew Hutchison and Shane Greene. Rightfully so. The point with the deep sleepers is to hit the lottery, but that holds a hidden second moment, just as important as the first: cutting bait before it’s too late. Have we reached that moment with the two early season duds?

First, it’s tempting to see every pitcher through the new stats on the website. Shane Greene is top 15 in Soft%! Anthony DeSclafani is top 20! Drew Hutchison is almost exactly league average in soft, medium, and hard contact allowed!

But we shouldn’t.

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Is there a more perplexing pitcher this year than Alex Wood has been so far? His pitches are all there, in the same quantities, at the same velocities, and with the same shapes… and the results — when it comes to balls and strikes at least — are nowhere to be found. Even my favorite pitch type peripherals are all out of whack.

How does a pitcher with the same stuff fail so miserably?

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So often, the first take takes. In other words, whatever prognostication came first, it’ll stick long after the data has taken a new turn. In most respects, when it comes to the games on the field, Addison Russell, Masahiro Tanaka, and Homer Bailey all started on the wrong foot this year. The trick is finding out — quickly — if there’s a chance that first look is obscuring the true value of these guys.

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Every year, pitchers add wrinkles in the spring. Most years, they forget them once they have to get batters out and the results count. In the case of today’s pitchers, though, we have three guys that found a new thing and stuck with it when the calendar switched to April. The results weren’t uniformly amazing for each of them, but a third pitch might mean wonders for misters Jimmy Nelson, Nathan Eovaldi, and Brad Boxberger.

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You can tell a lot about a person from their team names. Well, with mine at least, you can probably tell I’m a writer. Because they’re all stupid puns. Seems like a must in the writer community, but I almost feel forced to take something about myself or my players on my team and turn it into a silly phrase. That’s how this collection of team names happens.

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It’s been a bit more than a month, so it’s time to update my rankings, maybe in time for your last draft. Mostly injuries have moved the needle, but a few spring training strikeout rates and pitch changes may have factored into the moves. I gave you the new NFBC ADP and my old rankings so you could see the movements in the rankings.

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“Don’t read into Spring Training stats” is a good surface level mantra to hold on to. The competition is uneven, the results don’t matter, and the players are all working on things in preparation for the regular season. To some extent, it’s like looking at September numbers on a non-contending team: those are very different from May numbers.

Even the benefits of a huge surge in results is only slightly predictive. There’s the study from John Dewan about a huge slugging percentage breakout in the spring, but recently work by Ben Lindbergh and Jon Shepherd poked some holes in the theory.

If you look at when stats stabilize, however, there are a few stats worth checking out. We know from Jeff Zimmerman that fastball velocity stabilizes very quickly, and so it’s worth reading his MASH articles to find the most recent gun readings on pitchers.

And we know that strikeouts stabilize quickly — 100 plate appearances for batters, 126 batters faced for pitchers. A spring is something like a half of a September, so it doesn’t get to those thresholds, but the evidence is there that strikeouts become meaningful quicker than most stats, and so therefore spring strikeouts may be worth keeping an eye on.

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Whether it’s daily fantasy or dynasty, being able to evaluate a pitcher in a small sample can separate the top from the bottom of your league table. Results — particularly balls in play, but really any results that depend on the outcome of a plate appearance — can only go so far. Per-pitch metrics help, since there are four pitches per plate appearance on average, but if you’re talking results, you’re still cutting your sample into those moments when a player swung or put the ball in play.

And then there’s movement and velocity. We know, for example, that it takes only three starts to reliably predict fastball velocity the rest of the way, and that one start actually gives us a good idea. So maybe movements and velocities can help us evaluate young starters quickly.

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It’s time for bold predictions again. Check out the Bold Predictions tab to see the rest of the staff go loony. I was told I wasn’t specific enough or bold enough last year (when I went four for ten, a Williams-esque personal best), so this year’s bold predictions are all specific predictions about specific players!

Enjoy!

1) Anthony DeSclafani will have a season that trumps his minor league strikeout numbers.
He’s secured a rotation spot, and that was step one. With Jason Marquis in the rotation, it’s also safe to say he’s not the number five guy that gets bounced when Homer Bailey is back. The team traded for him, and need him as a starter, so they believe he’s more than a one-pitch pitcher with command, a moniker that’s been hung on him by smarter men then me. But what I see is enough gas (92.5, or a mph more than your average righty), command (2.0 walks per nine in the minors), and arsenal to be a really good pitcher.

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