The 2013 season was a banner season for players going on the disabled list. The DL was utilized 2,538 times, which was 17 more than the previous 2008 high. In all, players spent 29,504 days on the DL which is 363 days more than in 2007. Today, I take a quick look at the 2013 DL data and how it compares to previous seasons.

To get the DL data, I used MLB’s Transaction data. After wasting too many hours going through the data by hand, I have the completed dataset available for public consumption.  Enjoy it, along with the DL data from previous seasons. Finally, please let me know of any discrepancies so I can make any corrections.

With the data, it is time to create some graphs. As stated previously, the 2013 season set all-time marks in days lost and stints. Graphically, here is how the data has trended since 2002:

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Players are sent to the Arizona Fall League for all sorts of reasons. The MLB-owned prospect-laden fall league serves as a domestic winter league, and so teams use it as they wish. But once you are selected as an all-star, an AFL Rising Star, you’ve got a unique stamp of approval, something akin to being an all-star in a league of all-stars. And now that the Rising Stars game has been around since 2006, we have some data to see exactly what that selection means for a prospect.

Some teams send players to Arizona because they were injured during the year and need to build up arm strength, innings pitched, or plate appearances. Some teams send players to try out a new position. Some teams send fast-track prospects from the low minors so that they preview what play in the high minors will look like. Some teams send polished picks straight from the college ranks so that they can skip a level on their way to the bigs. Some teams send prospects they might like to trade so that they might look better to future trade partners after some time in the offensive-friendly league. Most teams send players that face the Rule 5 draft if they aren’t moved to the forty-man roster.

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Apparently some people do not respect the sanctity of World Series Week:

Royals ready to talk about Billy Butler deal for teams that would take on DH owed $8 million in '14, $12m in 2015.

— Buster Olney (@Buster_ESPN) October 22, 2013

Move over, Scott Boras and A-Rod.

Jokes aside, the Royals’ reported willingness to see what they can get from Billy Butler is, on the surface, not all that interesting. A team seeing what sort of value they can get from their assets simply makes sense. “Team X should trade Player Y if they can get more surplus value back” is a truism. If the Royals can get more value back for Butler than he is worth, then, yes, they should probably trade him. Of course, on the other side of things, teams should only trade for Butler (or any other player) if they do not have to give up too much. These sorts of unbalanced trades are not really worth discussing in the abstract. What might be more interesting is trying and figure out why the team would want to move Butler given their other needs.

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Sure, Game 163 is looming, and it counts as part of the regular season, but aside from some tweaks, the numbers are pretty much in for the 2013 season. We are close enough for at least some simple retrospectives on certain numerical accomplishments from the almost finished season. Some of the metrics involved are more meaningful or useful than others, but this post will not focus on analysis. As long as one does not confuse the listing of some metric below with an endorsement — or a criticism, for that matter — of its value, it is fine to simply take pleasure these accomplishments..

Some of these achievements have more historical resonance than others (and to a certain extent that is in the eye of the beholder). This is not presented as an exhaustive list, either. To begin, though, we do have two all-time marks set by relief pitchers this season.

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It was a dramatic one Sunday in Kansas City. The Royals played the Rangers in a late-season matchup of wild-card hopefuls, and the game was scoreless going into the bottom of the tenth when the Royals loaded the bases with none out. Then, after Mike Moustakas hit, there was one out. Then, after George Kottaras hit, there were two out. Up came Justin Maxwell, and the count ran full, and on what would be either a decisive pitch or a foul, Maxwell swung and lifted the ball out for a walk-off grand slam. A single would’ve done, or an error would’ve done, or a walk would’ve done, but a grand slam is emphatic, and the Royals celebrated like the Royals seldom have over the past however many years.

However, with a week left in the season, the Royals still don’t have much of a shot of advancing. They trail the Indians by three and a half games, the Rays by four. The Rangers are two games in front of them, and the Indians play a soft schedule. Our own playoff odds give the Royals a 1-in-71 shot, so while they’re happily playing meaningful baseball in late September, it’s unlikely there’ll be meaningful baseball in early October. Featuring the Royals, anyway. And that’s too bad for a team that might be one of baseball’s best.

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When writing about statistics, there’s always the matter of finding the right balance between brevity and significance. Oftentimes, you’ll want to use filters, for purposes of proper analysis, and these filters show up as written qualifiers. Too many qualifiers, though, will turn off an audience, because audiences want numbers to be pretty easily consumable. It can already be difficult to try to sell numbers to readers; there’s a responsibility on the writer’s part to keep readability in mind.

You run into this all the time in baseball analysis, because there are virtually infinite ways to whittle a sample smaller and smaller. Every split is a qualifier. But some are just necessary, and there’s no other way around it. Like, with pitchers, you just have to separate starters and relievers. Starters need to be compared only to starters, and relievers need to be compared only to relievers, because they’re entirely different jobs. You’ve got marathon runners and hurdlers. What they have in common is that they throw baseballs, but they throw baseballs in different ways, and they use their bodies in different ways, and they prepare in different ways, and so they should be treated as distinct player pools. You don’t compare Aroldis Chapman to Yu Darvish. You compare Chapman to Craig Kimbrel, and Darvish to Max Scherzer. Not separating pitchers is at best irresponsible.

Some of the focus in this post will be on starting pitchers. Much of the focus in this post will be on Yordano Ventura.

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Platoon splits are real, and they matter. The trouble comes in when people put too much emphasis on individual platoon performance over a short period of time. It is understandable, of course, and as fans, we have a right to overreact to things. But when it comes to getting to the truth of things, it gets a bit more complicated. One can read about the general principles of thinking about observed platoon performance versus true talent elsewhere. What can be instructive is looking at some concrete cases of unusual or standout performances of certain players. For today, let’s take a look at the platoon histories of a couple of left-handed hitters: Alex Gordon and Robinson Cano.

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It was just a little while ago that Kansas City Royals general manager Dayton Moore stubbornly refused to throw in the towel and concede defeat. To the media, at least. Though Moore acknowledged his team was below .500 this season, he said he thought they still had a run in them — that the team hadn’t yet settled into a groove. The Royals, he said, weren’t going to be sellers. If anything, Kansas City was going to be buyer. Based on Moore’s words, the Royals were going to keep going for it, and we criticized that here. And lots of people criticized it in lots of places.

There might be a lesson here, about judging general managers by their words instead of by their actions. Sometimes, you have to say one thing while you try to do another, to keep up appearances. And while the Royals have played fine baseball since Moore delivered his message to the press, there are reports  Moore’s position isn’t exactly what he suggested. From Wednesday: Read the rest of this entry »

It was last offseason that the Royals picked up James Shields from the Rays in a controversial blockbuster. The Royals wanted to improve their pitching staff and take big steps toward the playoffs. The Rays were looking to reload with young cost controlled talent, as always, and they saw an offer they couldn’t pass up. Sure enough, the Royals are on pace to be improved by a few games. The Rays, too, are on pace for the same, as they haven’t missed Shields that much. FanGraphs was opposed to the Royals’ side of things, arguing they weren’t good enough to go for broke, and that in order to get better they also subtracted. The Royals, today, are 43-49. This is going to work as our background and setting.

With the trade deadline approaching, teams are having to self-identify as buyers or sellers. At either end, it’s all pretty apparent, but it gets more blurry in the middle, especially what with the still-new extra wild-card slot. Some teams might neither buy nor sell. Some teams might attempt both. You look at the Royals and you’d think they should shed, but talk to Dayton Moore and he’ll tell you you’re wrong. Moore hasn’t thrown in the towel on 2013, and he seems to suggest he’s most interested in adding, adding pieces of immediate value. So, buying. Dayton Moore seems to identify the Royals as a potential buyer.

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The last time I wrote about Edge% it was in the context of the Tampa Bay Rays using it to get their pitchers into more favorable counts on 1-1. But now I want to take that topic and drill a little deeper to understand how often edge pitches are taken for called strikes.

Overall, pitches taken on the edge are called strikes 69% of the time. But that aggregate measure hides some pretty substantial differences. Going further on that idea, I wanted to see how the count impacts the likelihood of a pitch on the edge being called a strike.

Here are the results:

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