Manny Machado turned 25 on July 6. If he checked his stat line after that day’s game, he probably wouldn’t have liked what he saw. A little over halfway through the season, Machado had come to bat 350 times and hit 16 homers, which is pretty good. He was also slashing .215/.283/.418, though, equivalent to just an 80 wRC+.

That didn’t seem right. After all, the young infielder entered the season with a 119 career wRC+ — and had actually produced an even better 130 mark between 2015 and -16. At Machado’s age, hitters tend to improve, not collapse.

Machado’s performance gave the impression that something might be wrong, that something might need to be fixed. Whether that impression was correct at the time, it’s moot now: over the past two months, all he’s done is hit.

Here are a few relevant hitting stats for Machado from earlier this season compared to 2015 and 2016, when he was one of the better hitters in baseball.

While Machado began the season striking out a bit more often than in recent seasons, his walk rate was fine. And while his power took a dip, it still compared favorably to the league average. There’s nothing here that would reduce Machado from one of the top-20 hitters in baseball to one of the 30 worst.

Here, though, are some other relevant stats from those same time periods.

The batting results from that period through July 6 line are poor — but almost entirely a product of a lower batting average on balls in play. Now, that lower BABIP could reveal some decline in Machado’s game. An injury or change in approach. And if the drop in BABIP were paired with other observable differences, it might warrant further consideration.

And there were some differences. For example, while most of Machado’s batted-ball profile — including pull percentage, infield flies, ground-ball rate — remained largely unchanged, he was swinging outside of the zone a little more and making a little less contact. His swinging-strike rate had increased from 8.3% in 2015 and 2016 to 11.5% in the early going this year. The combination of some extra strikeouts and reduced power certainly affected Machado’s production. Again, though, their effect was pretty minor compared to the massive drop in BABIP drop.

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With September call-up season upon us, the Phillies have summoned top prospect J.P. Crawford from the minor leagues. He made his debut last night, starting at third base and notching his first career hit. Prior to his call up, Crawford hit .243/.351/.405 in Triple-A this year, including a powerful .284/.385/.517 since July 8th.

Crawford is an extremely talented player who can provide value in more ways than one. His minor-league batting lines don’t necessarily jump off the page, but in the context of his age and defensive value, they’re rather impressive. That’s why he’s been appearing near the tops of prospect lists — including KATOH’s — for years. Baseball America ranked him among the top-14 prospects each of the last three seasons, while Baseball Prospectus ranked him No. 4 each of the last two. Eric Longenhagen ranked him No. 9 in the preseason and No. 34 in his summer list.

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This post is about Gio Gonzalez. It says so right in the title. But to get there, we first have to talk to Dennis Eckersley, because he said something the other day that’s pertinent to what the lefty in Washington is doing right now.

Eckersley, in Oakland because the team named a gate after him, was relaxing before a game. We were talking about changes in the sport, and I asked him why his strikeout rate peaked in 1992, at a point when he was 38 years old and had been a reliever for five years. Was it a new pitch? Grip? Approach?

Nope.

“Everyone started chasing, just like now,” the legendary reliever said that day. “You punch out 200 guys now, it’s not a big deal. Everyone is striking out a guy an inning. You tell me why. First of all, they’re throwing harder. I get that. But no one puts down their hack. These 2-2 swings… they’re, like, crazy.”

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With the spread throughout baseball of wearable technology — that is, devices like the Zephyr Bioharness which are capable of capturing all manner of physiological data — it’s tempting to consider everything that teams and players could possibly extract from the information that’s gathered.

While such technology is currently used to monitor mostly fatigue and workload via calorie consumption — noted foodie Russell Martin employed the Bioharness in Pittsburgh to better understand how much he could eat without gaining weight — there are certainly other possible areas for innovation. Like, what more can we learn from heart rate in the midst of performance? Could we better understand performance under stress? How emotions influence play?

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The Yankees bullpen is short on neither talent nor name value. Most baseball fans are aware of Aroldis Chapman, even if they’re not aware that he’s been in a funk. Likewise, many baseball fans are aware of Dellin Betances, and they’ve generally heard of David Robertson, who this year has re-emerged as terrific. To make the unit all the more deep, the Yankees acquired Tommy Kahnle, one of the year’s big bullpen breakout stories. Kahnle has struck out 38% of his opponents, ranking him seventh in baseball among regular or semi-regular relievers.

Kahnle, in the breakout sense, is a surprise. He finally has the results to go with the powerful stuff. And yet Kahnle may play second fiddle in here, because of another development. The highest strikeout rate for any reliever belongs to Craig Kimbrel. Well, sure. In second place, we find Kenley Jansen. Yes, of course. The name in third place reads “Chad Green.” And he’s up around 60 innings, so this isn’t just a hot week or month. Green has piled up the strikeouts, and as a consequence, he ranks seventh among all relievers in WAR. Chad Green made his season debut on May 9.

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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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Last night, the Diamondbacks beat the Dodgers 13-0 to record their 11th consecutive victory. Now 80-58, Arizona has effectively wrapped a Wild Card berth, and given how they are playing, everyone else in the NL has to be hoping they lose that play-in game. Because they look formidable right now.

But as good as the Diamondbacks look, the Dodgers look equally bad. Last night’s drubbing was their fourth loss in a row and their ninth loss in their last 10 games. If it wasn’t for Clayton Kershaw returning to throw zeroes at the Padres on Friday night, in a game the Dodgers won just 1-0 over one of the worst teams in baseball, they’d be staring at a 10 game losing streak. And it’s not like they’re just playing well but losing close games due to some bad fortune. During this 10 game slide, the Dodgers have played like a team that deserved to get beat every night.

Since August 26th, the Dodgers 57 wRC+ is the worst in the Majors. They are hitting .201/.267/.320 thanks to a combination of the third-highest strikeout rate and the second-lowest ISO. Over this span of 10 games, their offense has been 20 runs worse than the average line-up.

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When Seattle selected JP Sears 333rd overall in this year’s draft, they knew they were getting a pitcher with a propensity for punch outs. In his junior season at The Citadel, the 21-year-old left-hander fanned 142 batters — the most in Division I baseball — in 95.1 innings. What they couldn’t possibly have known was that his strikeout rate would rise once he got to pro ball.

In 17 relief appearances between short-season Everett and Low-A Clinton, the 11th-round pick struck out — drum roll, please — a staggering 51 batters in 27.2 innings. He also allowed just 13 hits and two earned runs.

You can’t hit what you can’t see, and according to Clinton Lumber Kings pitching coach Doug Mathis, that’s the secret to the southpaw’s success.

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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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