I got to participate in the voting for last season’s American League Rookie of the Year award. Like almost everyone else, I agonized over whether to go with Gary Sanchez or Michael Fulmer, before ultimately settling on the latter. Tyler Naquin rounded out my ballot. It was the most common ballot — there were a dozen, out of 30, that read like mine.

If I had a fourth-place slot, I would’ve found room for Christopher Devenski. As is, Devenski showed up on five ballots, finishing third on four and second on one. There were many rookies last year who were pretty good. Devenski, somehow, has seemingly flown under the radar. He was so good!

If I wanted, I could leave it at this — there were 142 different pitchers in all of baseball who threw at least 100 innings. Here are the best of them, by ERA-:

1. Clayton Kershaw, 43
2. Kyle Hendricks, 51
3. Chris Devenski, 52

But you could look at the fact that Devenski allowed just four homers and conclude he got lucky. He probably did. Doesn’t mean he didn’t get better and better. It’s Devenski’s second half that really stands out. After the All-Star break, he threw 49.2 innings. Here are some percentile rankings out of everyone who cleared 25 post-ASB frames.

Down the stretch, Devenski threw strikes like Max Scherzer, and he missed bats like…well, also Max Scherzer. He compelled hitters to constantly chase out of the zone, in part a testament to his outstanding changeup. But you shouldn’t come away believing Devenski was some kind of soft-tosser; by September he was throwing his average fastball around 94 miles per hour.

Devenski was underrated because he wasn’t really a starting pitcher. He did start a few times, but he predominantly relieved, without closing. As you know, statistically speaking, relievers have it easier. Yet Devenski wasn’t a reliever of the conventional sort. The last bar in the plot above reads PA/GR. That’s out of a different sample pool — all relievers with at least 10 appearances in the second half. The category itself refers to average plate appearances per relief appearance. Devenski was close to the top. He wasn’t a matchup guy, or a one-inning guy. He was more of a multi-inning swingman, which makes his numbers all the more remarkable. He was that good, for dozens of pitches at a time.

Borrowing from Texas Leaguers, Devenski made a midseason change that could’ve driven his greater success.

As the season wore on, Devenski all but abandoned his curveball, replacing it with a sharper slider. He showed excellent command of the pitch, and opponents missed it nearly half of the time they swung. Here’s Devenski using the slider to get back in the count:

The slider gave Devenski a consistent third pitch. In the second half, he threw it 22% of the time. He threw his fastball 40% of the time. And he threw his changeup — this changeup — 32% of the time.

Lefties would see all three pitches. Righties would see all three pitches. And Devenski’s over-the-top delivery presumably added some measure of deception. His fastball comes with a good amount of rise, and the changeup plays off of it perfectly. The slider is why the Astros are still thinking about Devenski as potentially becoming a starter. He might work well for five or six innings at a time. It’s already clear he can work well for two or three.

Devenski is going to be a key part of the Astros’ enviable pitching depth, no matter his role. Whether he’s rotation insurance or a steady presence in the bullpen, he’ll provide something every manager wants. As he showed over last season’s final three months, he can pitch as well as almost anyone else, and this from someone who was a completely unheralded prospect. A 25th-round draft pick who was included as a PTBNL for Brett Myers. You can give the White Sox some credit for identifying and developing Jose Quintana. In a similar but opposite way, I guess Devenski was an oversight.

The Astros’ 2015 season ended because of a total bullpen meltdown. Before that, the bullpen had been fairly steady, but the Astros made damn sure there wouldn’t be a repeat. And so, last year, the Astros led all of major-league baseball in bullpen WAR. They finished fourth in bullpen WPA, and they project to be strong as a unit once again. There’s Michael Feliz, coming off an FIP- of 76. Luke Gregerson is coming off an FIP- of 70. Ken Giles finished last year at 62. Will Harris finished last year at 55. Even Christopher Devenski finished last year at 55, having thrown maybe the quietest 100-odd excellent innings I can recall. And then, as you read down the depth chart, you come across the name James Hoyt. Let me tell you about James Hoyt.

Hoyt is 30 years old, and only last year did he make his big-league debut. That usually isn’t a promising sign. Hoyt came to the Astros from the Braves in the Evan Gattis trade, and you’ll remember that Gattis has an incredible backstory, involving rehab, depression, going undrafted, and being a janitor. When Gattis was first emerging, consensus was that he was one of the best stories in the game. Now, I don’t know if Hoyt’s story is as good as his teammate’s. To my knowledge, Hoyt has never been an inpatient in a psychiatric facility. But in the deal, there were two amazing stories packaged together. And Hoyt might now be on the verge of making a name for himself.

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In November 2014, we ran an interview with Mike Elias, who was then Houston’s director of amateur scouting. Two-plus years later, he has a new title and more responsibilities. The 34-year-old Yale University product now has the title of Assistant General Manager, Scouting and Player Development.

Elias addressed several subjects in the earlier interview, but very little of the conversation was about pitching. This time around, we talked exclusively about pitching. The scouting process — including injury-risk assessments and offspeed deliveries — was the primary focus, but we also delved heavily into last year’s first-round pick. With the 17th selection of the 2016 draft, the Astros took 6-foot-7 right-hander Forrest Whitley out of a San Antonio, Texas high school.

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Elias on how scouting pitchers has, and hasn’t, changed: “It has definitely evolved, but it is still, and I believe it always will be, most reliant on the opinions of the scouts who have seen the players in person, and know the players personally. Our scouts still spend much of their time getting a good seat behind home plate and evaluating the pitcher’s stuff, command, and delivery. They look for future improvement in those areas. Another big part of what they do is learn about the player off the field, through conversations with coaches and acquaintances, and getting to know the player himself.

“The thing that changed is the amount of information outside of the scouting report we receive. That extends from the player’s performance stats — that’s if he’s a college kid — to video analysis of his delivery. Every team does that, although every team does it a little differently. And a lot of radar technology has become available over the last few years. It has spread from just being in major-league parks to trickling down through the minor leagues and even into most college environments. Even high-school fields, throughout the major tournaments with Perfect Game.

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The St. Louis Cardinals’ former director of amateur scouting, Chris Correa, is serving 46 months in jail for gaining unauthorized access to the Astros’ player information/evaluation database, codenamed Ground Control. A few days ago, MLB announced St. Louis’s penalty: they’d have to send $2 million and their top two draft picks to Houston.

From a network-security perspective, the case is interesting. It illustrates how difficult true network security really is, which raises the strong possibility that another team will attempt this in the future (if indeed one isn’t doing it right now).

Here’s a timeline of the incident up until it was made public:

• March 2013 – April 2014: Correa accesses Ground Control using passwords of various Astros staff. (Source: David Barron and Jake Kaplan of the Houston Chronicle.)
• June 2014: Deadspin posts leaked documents that were retrieved from Ground Control, mostly regarding trades or potential trades during the 2013 season. This action causes the Astros to contact MLB, who contacts the FBI to begin an investigation into the breach. (Source: Derrick Goold and Robert Partrick of the St. Louis Post-Dispatch.)
• June 2015: Michael S. Schmidt of the New York Times reports that the Cardinals are the prime suspects in this investigation.

Why didn’t the Astros detect the unauthorized access themselves? I don’t know anything about how they ran their security team, so I can only speculate. But I do have several years of experience in the network-security industry. I’ll use those to provide a perspective.

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To whatever extent the Astros are going to have issues, they probably won’t have to worry too much about the lineup. As Mike Petriello recently wrote, said lineup looks to be incredibly deep. Based just on Steamer and our present depth charts, the Astros project to have easily the best-hitting lineup in the American League. The Red Sox come in second, but they trail by more than 30 runs. Steamer is just one system, and ZiPS will join it soon, but the point is made clear: The Astros offense looks good. They’ll score a bunch.

Yet something else has taken place, quietly. As the Astros have built a better order, there’s also been a rather significant side effect. I can’t tell you whether it’s been intentional, or whether it’s been a coincidence. But if you can believe it, the Astros are going to make contact. In fact, they project to be very nearly the best contact-hitting lineup in the game.

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“I’m a completely different hitter from each side of the plate,” Hank Conger told me one time. He went on to describe how he had more loft in his swing from one side. Switch-hitter Billy Burns said about the same thing, speculating that his relative lack of experience hitting from the left side was the cause for his lack of power on contact from that side. “My muscles aren’t as strong there,” he told me in July of 2015. Even if a player is capable of hitting — even hitting well — from both sides of the plate, that doesn’t mean he’s the same type of hitter from both sides. Subtle differences are bound to be present.

All of this may explain a strange thing that happened to Jonathan Villar last year.

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It wouldn’t be fair to refer to MLB’s disciplinary record as toothless. There exists a relatively tough PED policy, and as of not all that long ago, there also exists a relatively tough policy on domestic violence. And last summer, the Red Sox were dealt a decently severe penalty for international signing violations, even though their behavior wasn’t exactly unique to them. The Red Sox were hit hard. Individual players have been hit hard when they’ve crossed the line. There’s not a consistent history of the commissioner being too light.

What we have now, though, are two penalties that have drawn similar reactions within the league. Many teams and team-people thought the Padres got off way too easy when A.J. Preller was suspended a month for withholding medical information in trade talks. And now, there’s a similar consensus belief about the penalty dealt to the Cardinals for Chris Correa’s repeated hacks of the Astros. Everyone had been waiting for a while to see how baseball would deal with an unprecedented conduct violation. In the end, the Cardinals are out a couple draft picks.

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The truth about a Hall of Fame career is that there’s no single magic moment that makes it happen. There’s no way you can put together the sort of resume that ends in Cooperstown unless you make many changes along the way. Baseball is that demanding.

When it’s all over, though, there’s time for looking back and for giving thanks. Because in order to make all those adjustments, the players had to receive advice from truth-peddling coaches and players along the way. For every adjustment, there was a trusted source that helped at just the right time.

So, along with the help of Alyson Footer of MLB.com, Bill Ladson of MLB.com, and others, I asked our newest Hall of Fame trio about their path to the big leagues.

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Jeff Bagwell

On Power: “I think my hitting coach, Rudy Jaramillo and I – you know, when I was in the minor leagues and all that kind of stuff, I used to hit a lot of balls with back, excuse me, topspin. And then I kind of learned how to change my hands a little bit and get a little bit of backspin and all that kind of stuff, and that carried the ball…

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Larry Andersen is famous for being traded for Jeff Bagwell. Phillies fans know him for his fine work on the club’s radio broadcasts. In terms of his playing career — he pitched in the big leagues from 1975 to 1994 — Andersen is known for having one of the best sliders in the game.

His best years were with the Astros when he was in his mid- to late 30s. From 1986 to -90, the right-handed setup man appeared in 293 games and fashioned a 2.55 ERA and a 2.53 FIP. His 445 innings over the stretch were sixth-most among relievers.

His signature pitch was elite. As Rob Neyer wrote at ESPN back in 2004, “Larry Andersen perfected his slider to the point where he rarely bothered throwing anything else.” In the Neyer/James Guide to Pitchers, Larry Dierker was quoted as saying his former teammate had the best slider he’d ever seen.

Anderson told me about his slider midway through the 2015 season.

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Andersen on why his slider was so effective: “The way I threw it — this is from talking to guys I faced, and ended up playing with — it looked like a fastball. A number of them told me: ‘I swear it’s a fastball; it looks like a fast one.’ That’s the key. Hitters aren’t committing to hit the ball when it’s three feet in front of the plate, they’re committing to the ball when it’s halfway there. The best hitters obviously pick up the spin, but if they see fastball and commit, and it’s not a fastball, they’re not going to have much luck.

“I basically tried to throw my slider how I would grip a four-seam fastball. I would kind of just rotate my fingers to the side of the ball a little more. That was probably more my cutter. I really had three pitches with one grip. It was essentially more pressure, and where my fingers were placed on the ball.

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On Tuesday, we looked at the best pitches in baseball last year when judged by whiffs and grounders. One thing we learned in that exercise: they were all thrown by relievers. Makes sense. They get a lot of advantages when it comes to short stints and leveraged situations. Let’s not hold it against them because the rest of the reliever’s life is very difficult. On the other hand, let’s also celebrate the starting pitchers separately, because many of them have pitches that are excellent despite the fact that they have to throw more often, to batters of both hands.

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