In the second half of the double-header between the Twins and Astros today, Chris Devenski will take the mound for the Astros. He owns an 80 mph changeup and a 92 mph fastball, give or take some ticks, and that differential is the fourth-biggest one among starting pitchers since 2014. That fact alone should make his changeup a great one when it comes to whiffs.

We’ve known for a while that movement and velocity differential are important to a changeup, but seeing as how the relatively ineffective John Lamb possesses the league’s second-best differential — and because the changeup works, in no small part, because of its relationship with the fastball — it seems fair to wonder, as someone in my chat did today, if a changeup which features too great a velocity differential might also suffer from ineffectiveness. In theory, an 80 mph changeup might look the nothing like a fastball. And if that’s the case, how could it fool the batter?

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Just about one year ago, the Houston Astros were trying to get to the playoffs, and they decided Carlos Gomez was worth a bushel of pretty good prospects. In the present day, the Astros are again trying to get to the playoffs, and they decided Carlos Gomez isn’t worth much of anything. Wednesday, Gomez was designated for assignment, and that’s a tough break for someone coming up on free agency. Of course, the damage was already done.

You might not realize how swift the fall has been. Though the scenarios aren’t exactly the same, Gomez has kind of Shelby Millered. On the season, Gomez has been among the least-valuable regulars. He’s not even 31 years old. And between 2013 – 2014, here are the position-player top five, by WAR:

1. Mike Trout, 18.5 WAR
2. Andrew McCutchen, 15.3
3. Josh Donaldson, 14.1
4. Carlos Gomez, 13.1
5. Miguel Cabrera, 12.6

McCutchen this year has been a disappointment, but the Pirates aren’t on the verge of dropping him or anything. The Astros have set Gomez free, and anyone can have him. Someone will take the chance; the track record alone demands it. Plenty of team officials will look at Gomez and see a player they might be able to rescue. Yet I honestly don’t know how to be encouraged.

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Something happened the other day that hadn’t happened in nearly 17 years, and had only happened twice in the last 50. Not counting Little League, I mean. It happens all the time in Little League. It happens in Little League because catchers aren’t great at catching the baseball, relatively speaking. Little League catchers aren’t great at catching the baseball, and there’s a (bizarre?) rule where batters can attempt to advance on dropped third strikes, and so we’ve all seen plenty of batters reach on strikeouts while we sigh from our positions on the field and wonder how we’re going to sneak out of our friend Gabe’s house to hang out with the girls across the street once Gabe’s parents go to sleep later that night. And then we hope our team’s pitcher strikes out the rest of the guys, too, because striking out more batters than there are outs in an inning is fun.

But it doesn’t happen as often in the big leagues, because, y’know, catchers are good. When it does happen, it’s usually because the pitcher’s stuff is so nasty that it becomes difficult to catch, even for the catcher. When it does happen, it’s also usually four batters in one inning. It’s rare, but it happens. Using the Baseball-Reference Play Index, I ran a search spanning the expansion era, looking for relief outings of exactly one inning with at least four strikeouts.

The results of that search:

Dating back to at least 1985, there are 19 instances of a pitcher whose entire outing consisted of one inning, and four strikeouts. There are plenty more instances of four-strikeout innings, of course, mixed in with the rest of a relief outing, but these are the only guys with one, clean, four-strikeout inning. Nineteen different guys, although two of them are named Mike Stanton.

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Don’t feel bad if you somehow missed Joe Musgrove getting called up to the Astros this past Monday. After all, only like a billion other transactions took place that day, many of which involved established big leaguers and/or prospects more highly touted than Musgrove. But now that the deadline-related madness has come and gone, I’d like to direct your attention to Mr. Musgrove. He’ll be joining the Astros’ rotation this Sunday in place of the injured Lance McCullers, and there’s reason to think he’ll be a very good pitcher.

Two years ago, Musgrove wasn’t on anyone’s prospect radar. Though he was drafted way back in 2011, it took him until 2014 to make it out of Rookie ball — and until 2015 to make it into the full-season levels. But when finally given the opportunity to last year, he broke out in a big way. He shot from Low-A to Double-A, putting up a dazzling 1.88 ERA in just over 100 innings. Perhaps even more impressive were his strikeout and walk numbers: he struck out 99, while walking only eight, giving him rates of 25% and 2%, respectively.

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As it has been the past few years, the 2016 non-waiver trade deadline brought about a flurry of activity that was hard to keep up with even if it was the only thing you were doing. Since most of us have other things that we have to or would like to occupy our time with, we figured we would save you some hassle and create an omnibus post with all of our trade deadline content so that you have it all in one place. For clarity’s sake, I’m going to limit this to articles about trades that actually took place.

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Here’s some things that happened. The Blue Jays got a swingman in return for a swingman:

#bluejays getting Mike Bolsinger for Jesse Chavez from #Dodgers

— Joel Sherman (@Joelsherman1) August 1, 2016

And then minutes later, they gave up a Chavez to get another Chavez:

Source: Astros are getting Guadalupe Chavez from the Blue Jays for Scott Feldman.

— Jeff Passan (@JeffPassan) August 1, 2016

The “other” Chavez, in this instance, being Scott Feldman, an early-30’s swingman himself. Both are free agents at the end of the year. It doesn’t make total sense, and it’s not the most interesting thing that happened at the trade deadline, but bear with me.

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Trade-deadline hysteria can lead to a dehumanization of players. In our effort to feverishly re-imagine our favorite team’s roster, all of us can be guilty of rooting to exchange this piece for that piece without considering all of the havoc that a trade can create for the people concerned.

I don’t mean to be a wet blanket. It’s fun to dream on that big acquisition that will put our teams over the top, and let’s please continue to do so.

But! We can also appreciate how difficult it must be to weather the constant speculation about your status, and then, if the trade is consummated, to then figure out how to move your life to another city — quickly.

So David Laurila and I set out to ask players about the experience. How did they find out? What were the conversations with the family like? What was the emotional roller coaster like? Thanks to the players that opened up, we can get a better sense of the human side of the trade deadline.

*****

Jeff Samardzija, Giants starting pitcher: “The first time, I watched all the rumors, and it ended up being Oakland, which wasn’t even on the radar, anywhere. The second time around I just ignored it all, and then I almost went to the White Sox and it fell through, and then a few days later it actually happened. Following for entertainment purposes is kinda fun.

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A mere 13 months ago, the Houston Astros selected Alex Bregman with the second pick in the amateur draft. Tonight, he’ll suit up for the Astros, after he gave Houston no choice but to call him up to the show. The 22-year-old hit .311/.412/.589 in the minors this year, including a .356/.387/.685 showing during his 17-game pit stop at Triple-A. Last season, his junior one at LSU, Bergman slashed .323/.412/.535 and, unsurprisingly, had little issue adapting to life in the pros. He closed out his draft year by hitting a strong .290/.358/.408 across two levels of A-ball.

Bregman pairs exceptional contact ability with ample power and a good walk rate, making him an all-around offensive threat. Bregman owns a minuscule 10% strikeout rate as a professional, yet has still managed a .200 ISO. Very few hitters possess Bregman’s combination of contact and power.

As if that weren’t enough, Bregman also provides value through means other than his hitting. The Astros have given him time at several positions this year in anticipation of his promotion, but he’s a shortstop by trade. That suggests he could be a fine defender at just about any place further down the defensive spectrum. He’s also swiped 20 bases in his year as a professional player, indicating good (or, at least, usable) speed.

As you probably imagined, my newly re-vamped KATOH system is head-over-heels for Bregman. He’s easily the top prospect in the land according to my math. Both KATOH (which considers stats only) and KATOH+ (which also incorporates prospect ranks) peg him for more than 17 WAR over his first six years in the big leagues.

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“You’re asking a lot of tough questions,” right-hander Lance McCullers laughed, before adding, “No, you’re good, you’re good.” We were talking about the role of health and confidence in his efforts to improve his command. To his credit, the young Astros flamethrower had stand-up answers, and wasn’t bothered. All of these things are related, and it’s easy to see for him. It’s just a question of getting right.

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Carlos Correa placed second last week on the trade-value list that Dave Cameron puts together every season. That placement seemed to surprise some, given that Correa is having a very good, but not great season. Correa’s 120 wRC+ is hardly spectacular, even if that number increases to 150 if you start with the latter part of May. He has improved over the last few months, but even with that improvement, the placement might seem high. What definitely seemed high was Correa’s ZiPS projections over the next five years, starting at 7.9 WAR next season and totaling more than 40 wins from ages 22 to 26. Cameron, too, was surprised, and in the comments, his explanation caught my eye:

I was shocked by the Correa forecast myself, and asked Dan to double check that there wasn’t an error in the code or something, given how bullish it is on Correa’s future. But Dan said the system just loves Correa, as the history of guys who can hit like this at 20/21 in the big leagues is almost universally fantastic. The age really is the key thing to keep in mind here; it’s easy to forget how big of a leap guys can make early on, and at 21, there’s still a lot of room for growth.

Carlos Correa is currently in the midst of his age-21 season, and he’s accumulated 820 career plate appearances. Over the last 100 years, only 59 players have received at least 800 plate appearances before the end of their age-21 season and then eventually made their way to a Hall of Fame ballot. One finds that — without regard for how they played or for how long — an astonishing 36% (21) of those players eventually made in the Hall Of Fame. If you move the bar up to 1,000 plate appearances, 21 of 44 players are in the Hall of Fame. Of more recent players, it looks like that trend might continue. Edgar Renteria, Starlin Castro, and Elvis Andrus probably will not make the Hall of Fame and Justin Upton and Jason Heyward have a ways to go, while Alex Rodriguez, Ivan Rodriguez, Miguel Cabrera, Adrian Beltre, and Andruw Jones all have at least decent statistical cases.

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