Each weekday during the minor-league season, FanGraphs is providing a status update on multiple rookie-eligible players. Note that Age denotes the relevant prospect’s baseball age (i.e. as of July 1st of the current year); Top-15, the prospect’s place on Marc Hulet’s preseason organizational list; and Top-100, that same prospect’s rank on Hulet’s overall top-100 list.

In this installment of the Prospect Watch, I check in on the progress of three players whom I discussed last year.

Summary
Glasnow continues to put up big numbers, though his rawness remains significant.

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Dellin Betances made his major-league debut as a top prospect in 2011. Here’s how that went for him:

(via Baseball Savant)

You don’t need to know much about that chart to know that Betances was terrible. Beyond struggling with precise location, he struggled with general location, and he looked nothing like a pitcher a team would want to use. He had size and he had heat, but he didn’t have anything else, and there were signs he’d end up nothing but a bust.

In one sense, Betances is back. In another sense, he’s arrived for the first time. Betances now is excelling as a Yankees reliever, and the past no longer has much relevance. He’s changed some parts about his delivery. He’s changed his breaking ball. He’s changed his role, which is the most significant change of all. The things Betances has kept are his size and his heat, but the questions from the past aren’t the questions of today. I’m not sure today there are any questions.

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Each weekday during the minor-league season, FanGraphs is providing a status update on multiple rookie-eligible players. Note that Age denotes the relevant prospect’s baseball age (i.e. as of July 1st of the current year); Top-15, the prospect’s place on Marc Hulet’s preseason organizational list; and Top-100, that same prospect’s rank on Hulet’s overall top-100 list.

Summary
O’Brien’s hanging in with the legendary Joey Gallo in the minor league home run chase, and he plays the most important position on the defensive spectrum, yet he falls behind the first tier of slugging prospects due to a variety of weaknesses.

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In one way, CC Sabathia is having the best season we’ve seen him have in years. In another, much more real way, he’s having the worst season of his long and valuable career. Baseball is a weird game sometimes.

When you look at the current ERA standings, from worst to first, a few things jump out at you. (Yes, besides, “ERA is dumb,” because for the moment this is more about what has happened than what might have happened.) You see Kevin Correia and Ricky Nolasco showing absurdly low strikeout numbers (along with Kyle Gibson, the Twins have the three lowest K% pitchers, because Twins) and you understand that pitching to contact in front of a lousy defense might not result in runs being prevented. You see a lot of high BABIP (I see you, Homer Bailey’s .385), and guys who have had a disaster start or two that inflate the number (Bartolo Colon), and guys who either can’t miss bats (John Danks) or throw strikes (John Danks) and find that the end result is poor (John Danks). As it turns out, there’s a lot of different ways to allow runs to score in Major League Baseball.

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You most likely heard over the weekend that Yankees righty Ivan Nova walked off the mound in the fifth inning of Saturday’s start in Tampa shaking his right arm, and now we know that he’s got a partially torn UCL in his elbow. While he’s yet to decide whether he’ll rehab or opt for surgery, this is the kind of thing that almost always, always ends in Tommy John surgery, and it seems more likely than not that we don’t see him again in pinstripes before mid-2015.

In and of itself, this is actually smaller news than it seems, if only because we all know by now that this is the year that elbows are popping at an alarming rate, with Nova — assuming he does choose surgery — becoming the 21st professional pitcher (including minor leaguers) to get a zipper this year alone. 14 of those are major leaguers. He is, depending on how you look at such things, only the fifth or sixth or seventh most accomplished of the afflicted. If you could make a starting rotation of 2014 Tommy John pitchers, he might not even be in it. (Why one would do such a thing is another question entirely. That rotation might still be better than Arizona’s, though.)

So this is really less about Nova than it is about what the Yankees will…  oh, hang on:

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Two things, both from Wednesday. Before the first game of a Yankees/Cubs doubleheader, the YES Network broadcast was profiling scheduled starter Masahiro Tanaka. They, of course, had very positive things to say, and at one point, Al Leiter remarked, “what I like is that he’s attacking the zone.” No nibbling, with that guy. Aggressive, polished rookie.

Later, Wednesday night, I got an email from Dave Cameron, asking if hitters should just stand there with their bats on their shoulders, since Tanaka doesn’t throw strikes. Why not force him to come into the zone? Is he even able to come into the zone often enough?

Two analyses by two analysts of one pitcher on one day, arriving at basically opposite conclusions. Leiter said Tanaka attacks the zone. Dave said Tanaka doesn’t attack the zone. What’s going on here? It’s time to gush some more about Masahiro Tanaka.

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Perhaps we should be used to this by now. Just four years ago, Craig Kimbrel was just some guy who walked more than 18 percent of the batters he faced. Now, he’s Craig Kimbrel. In the same timeframe, Drew Storen went from talented rookie set-up man to closer on a suddenly not terrible Nationals team. In their wake, young relievers like Kenley Jansen, Kelvin Herrera, Trevor Rosenthal, Addison Reed and others have taken the baseball world by various degrees of storm. And there was this Aroldis Chapman guy, too.

This season has been no different. Seemingly anonymous relievers have been springing from the figurative woodwork to capture spots on the top of various reliever leaderboards, most notably K% and velocity. Let’s meet some of them, shall we?

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Masahiro Tanaka has now made two starts for the Yankees, and outside of a couple of home runs, he’s been ridiculous. He’s rung up 18 strikeouts while issuing just one walk, and he’s posted a 51% ground ball rate in the process, leaving him with a nifty 1.81 xFIP. His splitter is as good as advertised, and while it’s just two starts, it’s two starts that suggest that the hype was probably correct; Tanaka likely is one of the best starting pitchers in baseball.

But, a little more quietly, there is a pitcher in the National League that has put up a very similar line, and you probably won’t believe who it is.

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The first batter Masahiro Tanaka ever faced in a regular-season game in the majors hit a home run. On Tanaka’s third-ever pitch, Melky Cabrera blasted Tanaka’s signature splitter, and just that quickly was the fairy tale smashed. There would be no season-opening whiff or shutout, and Tanaka might’ve figured the home run would stick with him for the length of his career. And that much is true, in that the game was documented, and Cabrera’s homer is something people will always be able to look up. But no one thinks of Yu Darvish and remembers that his career began with a four-pitch walk of Chone Figgins. No one thinks of Daisuke Matsuzaka and remembers that his career began with a single by David DeJesus. No one thinks of Stephen Strasburg and remembers that his career began with a 2-and-0 line drive by Andrew McCutchen. People will remember Tanaka for however Tanaka performs overall, and, one start in, it seems there’s an awful lot to like.

Which should surprise absolutely no one. Tanaka isn’t just a rookie — he’s a rookie recently given a nine-figure contract. Against the Jays, he threw two-thirds of his pitches for strikes. He kept the ball on the ground, outside of the dinger, and he didn’t issue a single walk while he struck the hitter out eight times. It was, granted, a Jays lineup without Jose Reyes, but it was a Jays lineup with everybody else, and Tanaka needed very little time to settle in and find a dominant groove. And along the way, he happened to pitch a lot like another front-of-the-rotation American League arm.

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Yesterday, the Yankees gave Brett Gardner $52 million to not exercise his right to become a free agent next winter. Instead, he’ll now stay in New York and play left field alongside Jacoby Ellsbury, rather than testing free agency to see if he could land a bigger deal as the best center fielder on the market. And that means Gardner has just signed up for four more years of criticism from those who think a left fielder should be “a run producer”, a guy who knocks the ball out of the ballpark and hits in the middle of the line-up.

Gardner is not that guy. He has more career triples than home runs, and a large part of his value comes from running down balls in the outfield. He’s a speed-and-defense guy, and traditionally, speed-and-defense guys have not been paid the same level of wages as similarly valuable sluggers. But while these kinds of labels help us describe the ways in which a player creates value, there’s also a trap to using these kinds of generalities, and we shouldn’t be so confined by player types that we miss the fact that Brett Gardner is actually a pretty good offensive player.

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