Over the last year or so, I’ve pestered Zack Greinke about his slider because I was sure it was the source of his difficult first season in Arizona. He’s resisted that characterization, telling me at times that his command was just a little off, but that he couldn’t blame anything about his slider on Arizona’s thin air and lack of humidity. Maybe he’s right — this year’s slider is a little different, but not enough to explain the overall difference between the two seasons. Instead, it might be a simplification of his approach that has really helped tonight’s Wild Card starter return to form.

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The first of two Wild Card games is scheduled for tonight. In addition to must-win baseball, this time of year is also typically marked by the appearance of a Dave Cameron piece on the merits of “bullpen-ing” a game — that is, the practice of using nothing but relievers in a single contest, of attempting to exploit matchups in order to maximize the chances of winning.

While the logic of “bullpen-ing” is sound in theory, it also fails to account for the comfort of pitchers who’ve potentially become attached to their roles. To get a better idea of how they might adapt to such an approach and how it might be handled in practice, I asked some actual players about it. Turns out, there’s a particular type of reliever who’s best suited to take the ball in the first few innings of a win-or-go-home game. And a particular type of pitcher who should follow him.

The first thing revealed by my inquiries is that relievers love the idea. “I’m down for whatever,” said Giants reliever Hunter Strickland with a smile. Nationals closer Sean Doolittle just laughed for a while. “Would I get paid like a starting pitcher?” he finally asked after the laughter had subsided.

Relievers would be fine with it because they’re accustomed to answering the call whenever. “We’re used to throwing in whatever inning, [if] not usually the first,” said Strickland. Added Miami’s Brad Ziegler: “I don’t think it would be very different for me, as much as it would be for the starter coming into the game [in the later innings]. His whole routine would have to change.”

And a starter probably would have to throw a couple innings in such a game — in order to reach a full complement of nine and still leave some arms for extras, that is. So the question is probably which kind of starter would adapt effectively to an otherwise unusual arrangement.

The answer? Probably a young one. Older starters are more married to their routines. “It’s very hard for me personally,” said Brandon McCarthy regarding the idea of starting a game in any other inning but the first. “My routine as a starter is fixed to the minute and a lot of guys are like that. It’s certainly not something impossible to deal with but could make a team nervous.”

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Over in the American League, there’s a clear two-horse race between Chris Sale and Corey Kluber for the Cy Young Award. Both are head and shoulders above the rest of the league and both have very strong cases for the honor, depending on what metrics you prefer.

Over in the National League, that isn’t quite the case. Max Scherzer is the clear front-runner at this point, with a host of other pitchers behind him all trying to make an argument why they might have had better seasons. Clayton Kershaw has a lower ERA. Zack Greinke pitches in a much tougher park. Teammate Stephen Strasburg has a lower FIP.

Those are just the stats that measure outcomes, though. Let’s see what Statcast has to say about the sort of contact the other candidates are allowing to see if anybody has a real case against Scherzer.

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Travis Shaw had arguably the biggest hit of Milwaukee’s season yesterday. With his team on the verge of a crushing 10-inning loss, Shaw stroked a two-run, walk-off home run that helped keep the Brewers in the playoff hunt. A defeat wouldn’t have buried the surprise contenders, but it would have pushed them closer to the brink. They badly needed the win, and the Red Sox castoff provided it.

Even without Saturday’s heroics, Shaw has been a godsend for David Stearns and Co. Acquired over the offseason (along with a pair of promising prospects) for Tyler Thornburg, he’s contributed 31 long balls and an .877 OPS while solidifying the middle of the Milwaukee lineup. Last year in Boston, those numbers were 16 and .726.

The 27-year-old third baseman attributes his breakout to two factors: He’s playing every day, and he’s not stressing about things he can’t control.

“My mindset is a lot different,” Shaw told me earlier this week. “After what I went through last year, I needed to take a step back. There were some things I didn’t agree with, and there were some things I took the wrong way. I didn’t handle them very well

“I tried to play GM. I started reading into stuff — wondering why they’re doing this, why we’re doing that — and it ate at me. I worried about things I shouldn’t have worried about. In the second half, when I got to play, I felt like I had to get two or three hits to stay in the lineup. That didn’t bode well for my mental state, and it obviously didn’t work results-wise.” Read the rest of this entry »

I was recently talking to J.D. Martinez about launch angle and exit velocity and the like. Besides helping me to update my language, he also told me he didn’t really track his performance by those measures. Same thing for some other metrics I mentioned. It’s clear Martinez has some substantive thoughts on hitting, though. It would be strange if he didn’t use any of the data available to him. So I asked him… what do you track? What numbers do you look at?

“I track my swings and misses in the zone,” he said. “I can deal with swing and miss out of the zone. If I’m swinging and missing in the zone, I don’t like that. That tells me something is wrong. It tells me that something is not right with my swing, I’m fouling balls off. If the ball’s in the strike zone, I should be able to hit it. There are certain situations, take a pitch, that’s fine. But when I swing and it’s a strike — especially on a fastball and I’m not hitting it — that’s not good.”

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We’ve written about a possible sea change in baseball over the last few years here, using phrases like “point of contact” and “attack angle” to better articulate the emergence of a Fly-Ball Revolution, itself another relatively new expression. Add those phrases to all the ones we’ve been compelled to learn for the benefit of Statcast alone — terms like “launch angle,” “exit velocity,” “spin rate,” etc. — and it’s obvious that our baseball dictionaries are getting an update on the fly.

Simply because we’re using a new lexicon, however, doesn’t mean we’re using it correctly — or, at the very least, that some of our assumptions couldn’t benefit from an update, as well.

With that in mind, I decided to examine some of the most notable and commonly used terms in this new language of hitting. With the help of the players themselves, perhaps we can better see what lies beneath each of them and attempt to reach something closer to a common understanding.

Fly-Ball Revolution

“I wish you wouldn’t call it the ‘fly-ball revolution,'” Daniel Murphy told me earlier in the year. “Coaches then think we’re talking about hitting the ball straight into the air. Call it the ‘high-line-drive revolution.'”

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Daulton Varsho is a Cheesehead at heart. He hails from Chili, Wisconsin, attended high school in nearby Marshfield, and played collegiately at UW-Milwaukee. Summer ball also found him close to home. The 21-year-old catcher strapped on his gear for the Eau Claire Express, in the wood-bat Northwoods League.

He’s currently hanging his hat in the Pacific Northwest. Selected in the second round of this year’s draft by the Arizona Diamondbacks, Varsho is beginning his career with the short-season Hillsboro (Oregon) Hops. The environs have been to his liking. With the Northwest League playoffs set to begin, Varsho’s left-handed stroke has produced a .311/.368/.534 slash line.

His rooting interests have largely been geographic, but there is a notable — and perfectly plausible — exception. Varsho is a Packers fan, and he went to Badgers games growing up, but he didn’t root for the Brewers. His baseball allegiances were with the Philadelphia Phillies, with whom his father — former big-league outfielder Gary Varsho — was the bench coach during his childhood.

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Yesterday, the Diamondbacks throttled the best team in baseball, winning by 13 runs. Last Thursday, they beat the same team by seven runs. Wednesday, they beat them by two; Tuesday, they beat them by one. Before that series, the Diamondbacks swept the Giants, and took three of four from the Mets. Between the last two series against the Dodgers, the Diamondbacks swept the Rockies, and they did so on the road. In all, the Diamondbacks have won 11 in a row, and 13 of 14. A playoff position that was once in some doubt has now been effectively sealed.

It’s certainly true that the Diamondbacks aren’t this good. No team is this good, because no team has ever been this good, because no team could ever be this good. Every team looks perfect when it’s riding a winning streak, and winning streaks end. Heck, from June 28 until the start of this run, the Diamondbacks went 17-29. That’s bad! But that’s why you always need to look at the bigger picture. The Diamondbacks have baseball’s fifth-best winning percentage. They have baseball’s sixth-best BaseRuns estimated winning percentage. This team is good, and better than it was expected to be. Let’s think about that for a few minutes.

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There have been 23 perfect games in major-league history but only 18 four-homer games.

While we’d expect to see the quantity of the latter increase during a home-run spike like the one baseball is currently experiencing, the four-homer game remains one of the rarest individual, single-game achievements of which a player is capable. Perhaps the only rarer deeds are the 20-strikeout game (accomplished five times) and unassisted triple play (recorded 15 times in major-league history).

J.D. Martinez, as you’re probably aware, became the 18th player to produce a four-homer game this Monday. He became just the third one to reach the mark against four different pitchers.

Only six players have hit four homers in a game since the start of the 21st century. Mike Cameron (May 2, 2002), Shawn Green (May 23, 2002), Carlos Delgado (Sept. 25, 2003), Josh Hamilton (May 8, 2012), and Scooter Gennett (June 6 of this year) represent the other five. While Gennett is the unlikeliest player in the modern era to accomplish the feat, Martinez is also an unlikely candidate — if you account for the unusual path he’s taken to stardom.

More immediately, the four-homer game renders even more puzzling the lack of interest in Martinez’s services at the deadline — and, perhaps, helps his case en route to the free-agent market, hinting that this is a hitter who’s still improving.

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In the age of the shift, it takes a lot for a particular defensive alignment to merit real attention.

But over the weekend, the Diamondbacks managed to do just that, utilizing what appears to be the most dramatic shift in recent history — notable even more so because the park at which they did it, Coors Field, features one of the game’s largest outfields.

We’ve seen about every variety of infield shift over the last four years, but we’ve never witnessed anything quite like what the Diamondbacks employed against DJ LeMahieu.

That gets your attention. That is bold.

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