It was an inauspicious start to the season for Michael Feliz. It’s been an inauspicious start to the season for the entire Houston Astros ballclub. One of them’s turned it around, providing hope to the other.

Feliz’s numbers, on the whole, are impressive, and even they come with something of an asterisk. In 20 innings of relief work, the 22-year-old right-handed rookie has struck out 33 batters and walked four — only two pitchers in baseball currently have a better K-BB%, and they both wear pinstripes. You’ve probably heard of them. The asterisk is that Feliz has walked just four batters all year, and they all came in his season debut, a 107-pitch relief outing back on April 6 after starter Collin McHugh recorded just one out. Feliz was thrust into action in the first, asked to eat innings, faltered, and was promptly sent to the minors for a fresh arm. He was recalled a couple weeks later, and since then, he’s been completely unhittable.

Dating back to that April 26 recall, Feliz has struck out half of the batters he’s faced, and he’s walked none of them. He’s getting ground balls, and he’s working multiple innings. Before the year, you might’ve only known Feliz’s name by being an Astros fan or a prospect hound — while he fell just outside of preseason top-100 prospect lists, most evaluators viewed him as a top-10 piece in a deep Astros’ system. Now, he’s turning heads, with the kind of numbers that practically demand attention.

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Two months ago, the Houston Astros looked like the obvious favorites in the AL West, but things haven’t exactly gone according to plan. Houston’s off to a disappointing 15-24 start, due in part to some terrible performances in the outfield. While George Springer and Colby Rasmus have hit well, Carlos Gomez, Preston Tucker and Jake Marisnick have a combined 252 plate appearances this year, and each has recorded a wOBA below .250. Gomez has been one of the biggest disappointments in baseball this year, and his struggles appear to be more than just bad luck.

To help fortify their struggling outfield, and provide a spark to their under-achieving team, the Astros have called up 24-year-old Tony Kemp from Triple-A. Although he stands at just 5-foot-7, Kemp hit .314/.393/.391 with 38 steals last season between Double-A and Triple-A, and was off to a similarly good start this year, slashing .298/.410/.405 at Fresno. Kemp’s a second baseman by trade, but has played a good deal of center and left field of late. Dan Farnsworth ranked Kemp 11th on his Astros prospect list heading into the year. Kemp appeared 15th among Houston prospects on Baseball America’s list. KATOH, however, is won over by his stellar minor-league track record. My system ranked him #2 in the Astros system and #53 overall.

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Just a couple weeks back, Dave Cameron examined the things that should worry us about Dallas Keuchel. He was more nuanced, but we could break it down into three components: lower velocity, fewer calls on the black, and fewer swings. For a guy that had the third-lowest zone percentage in baseball last year, the latter two seem hugely important for his success. So I asked the Astros’ lefty what he’s doing about those things.

Lower Velocity

Asking a pitcher about velocity is a delicate thing. Big increases mean whispers, and big declines mean… whispers of another sort. And then there’s the brutal march of time that fritters away our athleticism, day by day. You walk on egg shells.

But they know their radar-gun readings. And though age should have stolen about a tick from Keuchel, it looks like he’s down more than a tick and a half on the radar gun, from 89.6 mph last year to 88.0 this year. But that’s comparing all of last year to this year’s April, and also ignoring a slight uptick in recent games. If you compare last week’s velocity to last year’s April velocity, Keuchel is only down 0.8 mph, well in the normal range for a 28-year-old pitcher.

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The case has been made for Carlos Correa. It was even made on this very site last year. He was the number one overall draft pick. He was last year’s American League Rookie of the Year. He’s been called Alex Rodriguez, with better makeup. He’s even been called the best player in the major leagues (maybe). When we ran our preseason staff predictions a couple months back, 11 of 55 FanGraphs employees chose Correa to win the American League MVP. Beside he and Mike Trout, no other player received more than four votes. The public opinion on the matter seems almost unanimous: Carlos Correa is viewed as baseball’s best shortstop, just 126 games into the 21-year-old’s major league career.

But there’s a 22-year-old, just 123 games into his major league career, who wasn’t Rookie of the Year and received zero preseason MVP picks, whose case for baseball’s best shortstop might be just as strong as Correa’s. It’s time we consider whether it’s actually Francisco Lindor who is baseball’s best shortstop.

The argument might not have to be complicated. Correa gained his status so quickly due to the hype and the performance. Both need to be present for a player to be accepted as a bonafide superstar in less than a calendar year. It’s when the two collide that lofty claims like “baseball’s best shortstop” or “MVP candidate” start to seem reasonable. So let’s start with the hype.

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As Susan Slusser with the San Francisco Chronicle reported on Wednesday, Sean Manaea will be called up to start Friday’s game in Oakland against Mike Fiers and the Houston Astros. Manaea made a decent case for making the rotation out of spring training, tallying 16 strikeouts in 14.1 innings, but the seven walks allowed over the same period gave the A’s enough reason to start him in Triple-A Nashville.

Across three starts in Nashville, he has been lights out on the mound. Only three runs have crossed the plate against him in 18 innings pitched, while 21 batters have struck out and just four have reached via free passes. That level of performance was enough for Oakland to feel comfortable bringing him up to the majors in lieu of a fourth appearance for the Sounds. But what can we expect from him out of this start, and (presumably) those going forward in an A’s uniform?

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Let’s take a look at what we’re dealing with, here. This is a simple plot of AL West division playoff odds over time, beginning with the start of the season, through, I don’t know, right now? About an hour ago, I guess.

The calendar on my wall tells me it’s still April, and the much smaller calendar on my computer agrees, so this early you don’t expect many big huge shifts in playoff probabilities. Long ways to go, and all that. Looking at the image above, you see teams kind of holding steady. The Rangers are close to where they started. The Angels are down a little bit. The A’s are up a little bit. The Mariners are up even more. All of those teams are bunched together — they’re separated by just 1.5 games. But then you have the Astros. Based on our own math, the Astros opened as overwhelming division favorites. They’ve already coughed that up, and then some. Odds are based on projections, and projections are imperfect. I get that. So here’s a fact: At 6-15, the Astros presently have the worst record in the American League. It doesn’t mean they’re a bad team, but it does mean they’re a team in real trouble.

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He’s listed at a generous 5-foot-6, and he’s never hit more than 15 homers, so when you look up and see that Jose Altuve has hit five home runs already this year, you really just want to shrug and sing a song of sample size. But if you’ve been watching for longer, you’ll have noticed that this has been a long time coming, and that under the hood we find reasons to believe that this young man is just growing into his power stroke.

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Possible headline from 2013: Tyler White Is Mashing

Possible headline from 2014: Tyler White Is Mashing

Possible headline from 2015: Tyler White Is Mashing

Possible headline from right now: Tyler White Is Mashing

The best rookie hitter in baseball this year has not been Trevor Story. The best rookie hitter in baseball this year has been Tyler White, by nearly 60 points of wRC+ over Story. Maybe you haven’t heard about him as much because his last name doesn’t make for a convenient headline, but it’s happened. Tyler White is mashing, just like he has at every single level at which he’s played.

Despite that, less than a month ago, right before the start of the regular season, I wrote a post tossing some cold water on the White hype train after he’d won the Astros’ first-base job out of Spring Training. It’s not that I didn’t want to believe White could continue his mashing ways. I naively want to believe every player can succeed. It’s just that I’d found some historical precedent that compelled me to believe White’s skill set wouldn’t do a great job translating.

A brief recap of the aforementioned post: White is a first baseman, one who has typically relied moreso on controlling the strike zone for his minor-league success rather than hitting for great power. To determine the implications of that sort of profile, I looked at the historical precedent of first baseman who entered the league with plus walk and strikeout rates but below-average power, and found that those types of guys typically have had trouble translating. It’s a skillset that’s fine for a player who offers defensive and base-running value, but without more pop, these types of guys have had trouble sticking at first base at the major-league level. The article concluded as such:

From this one method of evaluating things, he looks like a good major-league hitter, just maybe not for a first baseman, and one whose approach works better in the minors without additional power. Then again, the next time he fails to exceed expectations with the bat will be the first.

Well. He’s exceeding expectations again. And it’s because he’s hitting for power. In 15 career major-league games, White’s already hit five homers, after having never hit more than eight at any one minor-league level, or more than 15 in any one minor-league season. His .380 isolated slugging percentage is top-five in baseball.

Now, of course, it’s been two weeks. You’ve already had that thought at least three times while reading this article. The projections already view White a bit differently, but, because it’s only been two weeks, not too differently. ZiPS has bumped his estimated true-talent ISO from .130 to .151. Steamer went from .149 to .156. The rest-of-season projections haven’t changed drastically, but the rest-of-season projections are never going to change too drastically after just two weeks. What has changed drastically is the updated projections.

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The Houston Astros are not off to the start they had hoped for. At 3-7, they find themselves in last place in the AL West, and ahead of only the winless Minnesota Twins in the American League overall. The cause of their slow start? The pitching, which ranks 27th in ERA and 24th in FIP. The back end of the rotation has been particularly lousy, with Collin McHugh, Doug Fister, and Mike Fiers having combined to allow 23 runs in 29 innings. And yet, those aren’t the Astros starters I’d be most concerned about right now. Instead, I’m a bit worried about reigning Cy Young winner Dallas Keuchel.

From a results perspective, he’s been okay-ish, with a 3.55 ERA through his first two starts. But the underlying numbers during those first two starts are a bit concerning. First, there’s this.

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Luke Gregerson isn’t as slider-heavy as he was once was. The Astros reliever threw his signature pitch 41% of the time last season. Since he broke into the big leagues in 2009, his 54.4% slider rate is the highest among pitchers who’ve recorded at least 350 innings.

He’s been effective. Gregerson boasts a 2.79 ERA and 2.97 FIP in 500 career appearances. He notched 31 saves last year, and while he’s more about ground balls than punch outs, his K/9 is a more than respectable 8.81.

Most of the questions the 31-year-old righty has fielded this spring have revolved around Houston’s offseason acquisition of Ken Giles — a closer with the Phillies — and their roles going forward. On Wednesday, I approached Gregerson with a different subject in mind: his hard-to-square-up slider.

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Gregerson on what he considers ideal fastball-slider speed differential: “That’s a good question. I’ve never really thought about that too much. I just want it to move. That’s the biggest key for me. For guys who throw really hard, having a straight change that’s a slower speed is definitely a good thing. But for somebody like myself who’s not very overpowering… I’d say I’m looking more for late, hard movement, not a change of speed from my fastball.”

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