We know the Aaron Judge story. He was a prospect whose contact ability was questioned. Would his 80-grade power play in games? After working on a swing adjustment in the winter of 2016-17, however, he dramatically improved his contact rate, posting a remarkable 173 wRC+ last season while nearly winning the AL MVP award.

In the 21st century, there have been only 31 completed or ongoing seasons with a wRC+ better than Judge’s mark. And what’s remarkable is that one of those — though, just a partial season — is Judge’s 2018 campaign, in which he has a wRC+ of 178.

After making one of the most dramatic year-to-year improvements in major-league history, Judge has actually improved through the first quarter of this season, which is amazing in a different way. While making gains is one thing, consolidating them is another, with the wealth of scouting information available.

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Daniel Mengden has bested the Red Sox twice this season. On April 22nd, the Oakland A’s right-hander was credited with a win after allowing the visiting Boston squad a lone run over 6.1 innings. This past Tuesday, he got another W while giving up a pair of runs, one of them unearned, over six equally effective innings at Fenway Park. In the combined outings, Mengden fanned eight, walked none, and surrendered just three extra-base bits, only one of which left the yard.

On Wednesday, I asked the mustachioed 25-year-old about his attack plan versus four of the Boston batters he’s faced. Here is what he had to say.

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Mengden on Mitch Moreland and Andrew Benintendi: “Mitch Moreland and Andrew Benintendi… when I faced [the Red Sox] in Oakland, I had a changeup-heavy game against them. My changeup was working really well that day. Moreland got me twice yesterday, once on a changeup. He also got me on a 1-2 curveball that I should have bounced. I left it up and he flipped it down the [right field] line. He’s one of those guys who I feel sits offspeed, and you have to be tricky with some of those guys.

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Last week, I examined whether baseball’s pace changes were having an effect through the first quarter of the major-league season. The results of that investigation? That pace measures are melting some time from the game.

By limiting mound visits, by reducing time between innings — with some teams even employing bullpen carts — the average time of game has been reduced by five minutes. Starting pitchers have cut their average time between pitches by half a second to 23.1 seconds this year. The average time between pitches for a reliever is also down half a second to 23.8.

The changes are having an effect, albeit modest. Perhaps the change will be enough to reduce MLB commissioner Rob Manfred’s desire to implement a pitch clock, a device which he was close to unilaterally adding to the game this season.

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According to expected wOBA, which is not perfect, but which is pretty good, the most improved hitter in the major leagues is Mookie Betts. The second-most improved hitter is Leonys Martin, and the third-most improved hitter is Matt Davidson. Since xwOBA is only one measure, that means we can have a conversation. And that means there’s an argument for each of those three players, along with some others. I’ll lay out the case for Davidson here. It’s every bit as simple as it is impressive.

At this writing, Davidson is tied for the seventh-highest xwOBA overall. He’s right there with Kris Bryant. No one in baseball has a higher xwOBA on batted balls alone. If you prefer something a little more familiar, Davidson has bumped his wRC+ from 83 to 161, the second number being almost double the first. For anyone who knows anything about Davidson, the power has always been present. The improvement has taken place elsewhere. It’s maybe the most difficult improvement to make, but the easiest one to explain.

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More or less, the public perception of a ballplayer’s value correlates pretty strongly with the reality of that player’s value. Mike Trout, for example, is almost universally regarded as the best player in the game. The numbers bear that out. José Altuve and Kris Bryant have both won MVP awards in recent years. Their records suggest that such accolades are warranted.

That said, an examination of the FanGraphs leaderboard for WAR since 2016 — which you can examine for yourself by means of this convenient link — reveals a case where perception and reality seem to diverge. Here are the top players from same:

You may be a more observant baseball fan than I am — or you may be from Cleveland (some people are!) — but I’m not sure that one out of every 10 reasonably aware fans would be able to say, without checking, that José Ramírez has recorded the fifth-most WAR of any hitter in the game over the last two-plus seasons. I’m not sure they would say he’s been more valuable than Josh Donaldson, Corey Seager, and Joey Votto over that span. But he has been.

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Each week, we publish in the neighborhood of 75 articles across our various blogs. With this post, we hope to highlight 10 to 15 of them. You can read more on it here. The links below are color coded — green for FanGraphs, brown for RotoGraphs, dark red for The Hardball Times and blue for Community Research.
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You sure wouldn’t think there would be anything wrong with the Diamondbacks. They currently have the best record in the National League by multiple games, and even after a loss on Wednesday, there’s an eight-game gap between them and the Dodgers with almost a quarter of the season already gone. They survived the absence of Steven Souza Jr. They’re actively surviving the absence of Jake Lamb. They’ll try to continue to survive the absence of Taijuan Walker. No team ever stays totally healthy.

And one of the big early stories has been the breakthrough by Patrick Corbin. After eight starts, Corbin owns a 2.12 ERA, with an easy career-high rate of strikeouts. The biggest change for Corbin has been an increased reliance on his best pitch — his slider. He’s now throwing the pitch at multiple speeds, sort of going the way of Rich Hill or Lance McCullers. Corbin is setting himself up for an offseason payday. And on the surface, he’s cruising, having allowed just two runs over his last two starts.

Yet something underneath is incredibly worrisome. Something fundamental to the very idea of pitching. Corbin has suddenly lost his zip. No one would do that on purpose.

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Much like the update last month, nothing in how we calculate our playoff odds has changed, but we’ve added a new feature to the page. We are now reporting the distribution of wins from the Monte Carlo simulation.

Specifically:

• The 25th percentile;
• The 75th percentile; and
• A histogram of projected wins.*

*The average is already reported as expected wins.

You can find this if you select the new display option in the dropdown of the same name.

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Ladies and gentlemen, for the first time in Major League Baseball history, continental North America is fully accounted for on the no-hit front within a single season. The United States of America checked in with its first no-hitter of 2018 on April 18, when the A’s Sean Manaea held the Red Sox hitless in Oakland. Mexico got on the board for the first time last Friday, May 2, when the Dodgers’ Walker Buehler and three relievers no-hit the Padres during the Mexico Series opener in Monterrey. And on Tuesday night, Canada completed the sweep when the Mariners’ James Paxton no-hit the Blue Jays in Toronto.

Paxton, who was born and raised in Ladner, British Columbia, made history by becoming just the second Canadian-born pitcher to throw a no-hitter and the first to do so on Canadian soil. Toronto-born Dick Fowler, pitching for the A’s, no-hit the Browns on September 9, 1945 in Philadelphia. While we’re dispensing with ordinal trivia, it seems appropriate to mention that Paxton is third pitcher to throw a no-hitter at the Rogers Centre (previously the Skydome) after the A’s Dave Stewart (June 29, 1990) and the Tigers’ Justin Verlander (May 7, 2011); no Blue Jays pitcher has ever done it there. Paxton threw the sixth no-hitter in Mariners history, after Randy Johnson (June 2, 1990 against the Tigers), Chris Bosio (April 22, 1993 against the Red Sox), Kevin Millwood and five relievers (June 8, 2012 against the Dodgers), Felix Hernandez (a perfect game on August 15, 2012 against the Rays), and Hisashi Iwakuma (August 12, 2015 against the Orioles).

(While the record books are silent on the matter, Paxton is assumed to be the first pitcher to throw a no-hitter in a season where a bald eagle landed on him.)

Paxton was nearly unhittable the last time he took the mound, striking out 16 in seven shutout innings on May 2 against the A’s. In that contest, during which he threw 105 pitches, the 29-year-old southpaw got 31 swinging strikes, 25 of them via four-seam fastball, many of them at the top of the zone. On Tuesday, he was more efficient, needing just 99 pitches for the entire night, and inducing “only” 15 swings and misses, eight with the four-seamer. He got squeezed a bit at the top of the zone and walked three, but faced just two batters over the minimum thanks to a double play, and threw more than five pitches to just one batter. In only two innings did he use more than 12 pitches, and in four innings, he needed 10 or fewer pitches, including the eighth and ninth. Thus, when he needed to reach back for more gas, it was there. The pitch speed graph from Brooks Baseball tells the story:

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Last week, Trevor Bauer neither confirmed nor denied having made a point about how foreign substances can increase spin rate.

Bauer wants the sport either to enforce rules against pine tar and other illegal, tacky materials used by pitchers (that’s about impossible, as Bauer acknowledges) or make grip-enhancing legal. While employment of a foreign substance resides outside the rules, there is little enforcement of those rules unless they are openly defied.

Spin is thought to be largely an innate skill, difficult to increase dramatically. Generally, the more velocity a pitcher has, the more spin a pitcher is capable of producing. There is a relationship between spin and velocity, so if a pitcher can increase his velocity, he can reasonably expect to increase his spin rate.

There’s certainly incentive to increase spin rate, as there’s a correlation between spin and whiffs. A 300-rpm improvement is equivalent to a couple percentage points of swinging-strike rate. Bauer has said he can increase his spin rate by about 300 rpms by adding a tacky substance to the throwing hand. It’s conceivable that he did something similar to prove a point during the first inning of his start last Monday:

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