This is Jake Mailhot’s fourth post as part of his May Residency at FanGraphs. A lifelong Mariners fan, Jake now lives in Bellingham, Washington, just a little too far away from Seattle to make it to games regularly, which is sometimes for the best. He is a staff editor at Mariners blog Lookout Landing. He can be found on Twitter at @jakemailhot. Read the works of all our residents here.

Among the various career arcs in professional baseball, the conversion from starting pitcher to reliever is one of the more common ones. It’s a last resort for aging veterans and a tried-and-true way to get the most out of middling starters. But when a talented prospect is moved to the bullpen, there are bound to be questions. It has been generally understood that a starting pitcher is more valuable than a relief pitcher, so teams are usually more conservative with their prospects, often letting them at least try to work things out as a starter before pulling the plug. But in an era when relievers are throwing more innings than ever before, a high-octane reliever might prove to be more valuable than just another starter.

Back in 2016, the Mariners moved one of their best pitching prospects from the rotation to the bullpen. Edwin Díaz took to the conversion quickly and was in the majors a few weeks later, completely skipping Triple-A. He was soon installed as the Mariners closer and has been one of the best relievers in the majors since. His already excellent fastball velocity received the usual boost from shorter stints on the mound, and his slider has developed into a plus-plus pitch.

It was a risky move for the Mariners. Instead of letting the 22-year-old try to develop his changeup in the rotation, they shifted him to the bullpen and aggressively promoted him because the major-league team needed bullpen help desperately.

I wondered if any other teams had tried something similar. Below you’ll see the results of a very specific query: every relief pitcher who has thrown at least 10 innings in the majors and had been a starting pitcher in the minors as recently as last year. To narrow the field even further, these pitchers all recorded fewer than five innings pitched in Triple-A and have posted an average leverage index greater than 1.25 when entering the game.

It’s an interesting list. Jordan Hicks, the man with the fastest fastball in all the land, sits atop it with almost 27 innings pitched and just 16 strikeouts to his name. Then we have a Rule 5 pick, Brad Keller, who has recently been in the mix for high-leverage innings in the Royals bullpen. Moving on. Justin Anderson wasn’t a highly regarded pitching prospect in the Angels organization, but he has added more than 6 mph to his average fastball velocity out of the pen and given Mike Scioscia another option in his constant closer carousel. This article was almost about Anderson. But the final name on the list is far more intriguing — and not just because of his 80-grade baseball name.

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I imagine you already know that big-league hitters in 2018 strike out an awful lot more than big-league hitters in 2008 did. You could probably guess, too, that they hit for a somewhat lower average and a little less power. Even though some of that power differential will even out as the weather heats up this summer — we’re not exactly comparing apples to apples, here — I think it’s a relatively uncontroversial opinion to say that the game has changed in the past decade:

Furthermore, those changes in the way the game is played have forced us to adjust our understanding of what good, bad, and decent performances look like. We have had to reconcile ourselves to the notion that, although just 20 qualified hitters struck out more than 22.5% of the time in 2008, 50 are above that mark right now, and another 40 or so finished above it last year in a full season’s worth of data. Striking out nearly a quarter of the time doesn’t make a hitter an outlier anymore, and we’ve had to adjust our internal expectations for player performance accordingly.

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Every bit of value counts for the Angels, who share a division with probably the majors’ best team and who possess a 29.9% chance of making the postseason as of right now. Even slight improvement would be more meaningful to the Angels than most teams. And there’s perhaps a way the Angels can better employ the game’s most interesting and only two-way player in Shohei Ohtani to gain a little more value.

The Angels rank dead last in platoon advantage, their batters facing opposite-handed pitchers just 37% of the time, according Baseball Reference. The MLB average is 53%. The Indians, thanks in large part to switch-hitting stars Francisco Lindor and Jose Ramirez, lead baseball in holding the platoon advantage at a 69% clip.

The Angels have recorded the most right-on-right plate appearances (1,207) of any club this year, with the Astros representing the next-closest team (1,075).

Despite their right-handed-heavy lineup, the Angels actually rank second in baseball in right-on-right wRC+ (123) and ranked fifth last season (101). Having Mike Trout helps paper over many cracks — including platoon disadvantages — but there are only three Angels regulars who are better than league average against righties: Trout, Andrelton Simmons, and Justin Upton. As a whole, the Angels rank third against righties with a 109 wRC+, while they ranked in the middle of the pack with a wRC+ of 98 versus them last season.

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Pitchers learn and develop different pitches, and they do so at varying stages of their lives. It might be a curveball in high school, a cutter in college, or a changeup in A-ball. Sometimes the addition or refinement is a natural progression — graduating from Pitching 101 to advanced course work — and often it’s a matter of necessity. In order to get hitters out as the quality of competition improves, a pitcher needs to optimize his repertoire.

In the tenth installment of this series, we’ll hear from three pitchers — Zach Britton, Pedro Martinez, and Brandon McCarthy — on how they learned and/or developed a specific pitch.

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Zach Britton (Orioles) on His Sinker

“In 2007, I was in short-season Aberdeen and my pitching coach, Calvin Maduro, tried teaching me a cutter. It kind of developed from there. No crazy story, really. It’s just that, with my arm action, the ball never cut. It went straight down like a sinker. He said, ‘Keep doing what you’re doing,’ and over the years I started throwing it more and more, and getting comfortable with it.

“A lot of guys throw cutters the way I grip my sinker, and others actually throw their curveball like that. Again, it’s arm action. I’ve shown it to guys and they haven’t been able to do it, so I can only assume it’s the way I throw.

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On May 9, the Mets batted out of turn against the Reds. You probably know this. Actually, you might have known this and then forgotten it already. May 9 was a while ago. A lot has happened since May 9. Like, just in baseball, a lot has happened. Why even talk about it further?

Because May 9 was also not that long ago. In the context of humankind’s march through history, for example, it’s basically yesterday. In the context of the universe, it’s like a second ago. In the context of the universe, our whole lives are no longer than the snap of a finger. So, from that point of view, any discussion of baseball is absurd. From that point of view, why not discuss the Mets batting out of order on this first day back from a long weekend?

So much of baseball is routine. We learn from the repetition, but sometimes we glean something new when the seams get pulled apart. Batting out of turn isn’t entirely new, but it is unusual: according to Retrosheet, it had happened just six times in the last decade prior to the Mets’ foul-up. In case you missed it live, the lineup the Mets shared with the media looked like this:

The trouble was that the lineup actually given to the umpires and Reds manager Jim Riggleman had Wilmer Flores and Asdrubal Cabrera flipped.

Shortly after the game itself began, Flores came up to bat and struck out. Riggleman said nothing. They tell you to say nothing unless something good happens. Then Cabrera came up and doubled, after which Riggleman pointed out the mistake. Rule 6.03(b) is one of baseball’s more complicated rules, but the gist of it is, if a team bats out of turn and the other team notices in time, it’s an out. Once Cabrera’s at-bat commenced, it legalized Flores’ previously illegal at-bat, which meant that Jay Bruce ought to have batted after Flores. Because Bruce was the proper batter, he was called out — poor guy. Cabrera’s double was wiped from the books. The Reds would win on an Adam Duvall walk-off solo home run in the 10th. One could argue it would have been good for the Mets to have scored a run in the first.

It was silly and embarrassing, but it also showed us some things. These are a few of those things.

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Since the beginning of the 2016 season, four pitchers who have thrown 100-or-more innings have an ERA under 2.00. Three of them — Zach Britton (1.38), Andrew Miller (1.72), Kenley Jansen (1.75) — rank among the most-accomplished bullpen arms in the game. The other name on the list might surprise you.

Since making his big-league debut on May 30, 2016, Baltimore Orioles left-hander Richard Bleier has boasted a 1.84 ERA in 112-and-two-thirds innings.

Bleier’s under-the-radar effectiveness has come over the course of 103 relief appearances, the first 23 of which came with the New York Yankees. His efforts went unappreciated in the Bronx. Despite a solid showing — five earned runs allowed in 23 frames — the Bombers unceremoniously swapped Bleier to Baltimore for a PTBNL or cash considerations in February of last year.

The 31-year-old southpaw attributes an August 2016 addition to his repertoire for his late-bloomer breakthrough. Read the rest of this entry »

It’s funny the way little, unpredictable things can change the course of a season. Baseball is about more than BaseRuns, of course, but, according to BaseRuns, the Rays should have a winning percentage of .528. The Mariners, meanwhile, should have a winning percentage of .529, and both team would be looking up at the .539 Angels. It would be a half-game separation from the second wild card. Despite everything the Rays have experienced and encountered, they might say they should be in the thick of the hunt.

BaseRuns sometimes has only a loose relationship with reality. According to what has actually gone on, the Rays have a winning percentage of .479. The Mariners, meanwhile, have a winning percentage of .592. The Mariners are 5.5 games ahead of the Rays, and, in between them, there are also the Angels and the A’s, to say nothing of some other teams in the neighborhood. Thanks to the early standings, the Mariners’ playoff odds have increased from 9% to 30%. The Rays’ playoff odds have decreased from 5% to 1%. As similar as the Rays and Mariners have arguably been, their current circumstances are undeniably different.

The Mariners also found themselves in a recent bind, requiring an outfielder after Robinson Cano was both hurt and suspended. The Mariners want to win, and they’ve been desperate for help. The Rays have become increasingly willing to shed short-term help. Given everything, it makes sense that we have a pre-draft trade. Such deals are uncommon, but when you have these two front offices in these two situations, you should never allow yourself to be shocked.

Mariners get:

• Alex Colome
• Denard Span

Rays get:

• Andrew Moore
• Tommy Romero

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Whatever else you might say about Jerry Dipoto, he’s demonstrated an indomitable desire to engage in trades. Big trades, little trades, all sorts of trades. And with injuries and Robinson Canó’s suspension forcing Dee Gordon to move back to the infield (before going on the disabled list himself), and with an extra $11 million of loose change suddenly freed up by Canó’s absence, it seemed likely that Dipoto would ride again, provided he could find a willing partner.

This afternoon, Dipoto found his man, or men rather. Per Marc Topkin.

#Rays have traded Span and Colome to #Mariners

— Marc Topkin (@TBTimes_Rays) May 25, 2018

#Rays get back Andrew Moore and Tommy Romero from #Mariners

— Marc Topkin (@TBTimes_Rays) May 25, 2018

The Mariners will also receive $4.75 million in cash considerations, so not all the Canó money is spent. The deal makes all the sense in the world for the Mariners. Denard Span and his heretofore 114 wRC+ will provide additional depth in a suddenly thin outfield, with Dipoto indicating that the initial plan is for Span to spend his time in left field, while Guillermo Heredia and Mitch Haniger roam center and right, respectively. Ben Gamel will remain in the mix for the left-field spot. Span also gives the team additional options in center should Heredia falter against right-handed pitching.

Alex Colomé, meanwhile, reinforces a bullpen that, outside of closer Edwin Diaz, has been shaky at times. James Pazos and Nick Vincent have pitched their way to a respectable FIPs, but offseason signing Juan Nicasio’s velocity has declined slightly, as has his effectiveness. According to Pitch Info, his average fastball has climbed back closer to 95 mph rather than the 91 mph Mariners fans were seeing in spring, but he’s still lost a tick, which may help to explain the increase in his home-run rate. Colomé’s season got off to its own rough start, marred by inexact command that lead to an 11.7% walk rate, but May has gone considerably better, with his FIP dropping to 1.35. He represents an additional option in late innings and beyond making the ball more likely to get to Diaz, should also allow the Mariners to rest Diaz a bit more.

Tampa’s side is bit stranger. For a team with the Rays’ pitching strategy, it seems odd to trade a good closer, an oddity that isn’t lessened by the acquisition of Wilmer Font. The Rays do get Andrew Moore and prospect Tommy Romero, which isn’t nothing. As with any set of young arms, there’s always the risk that they’ll bloom into something Seattle regrets giving up. Moore pitched big-league innings with middling results last year, and started the season in Double-A, but he’s still thought to have back of the rotation potential. That isn’t useless, but it also isn’t likely to help the Mariners win right now. And as Jerry and this trade show, winning right now is what Seattle is interested in.

Words matter. In the context of the law, they can make all the difference.

They can also matter quite a bit in the context of PEDs and baseball.

Recently, Robinson Cano tested positive not for a steroid but rather for furosemide, a masking agent. This is how it was covered in the media.

ESPN:

A source familiar with the case told ESPN’s T.J. Quinn that Cano tested positive before the season and appealed. During the appeal, MLB apparently was able to determine his intent, which resulted in Cano dropping his appeal, the source said.

TJ Quinn himself:

Robinson Cano suspended for taking furosemide, a diuretic commonly used to mask PED use. It’s the kind of drug a player is likely to say he took by accident and didn’t help his performance. Eager to hear his explanation, because he has access to certified, clean supplements.

USA Today:

The IPA needed proof that Cano was using the drug as a masking agent.

The investigation revealed that Cano had clear intent to mask another illegal drug.

Cano was charged with a positive test, no different than if he were taking anabolic steroids.

That’s a loaded word, “proof.”

http://gph.is/2Be6wOf

The trouble is that different kinds of proof exist. First, there’s the burden of proof. In other words, whose responsibility is it to prove their case? In civil law, it’s the plaintiff who has the burden of proving its case, and the defense has the burden of proving defenses. But even that is a bit misleading; the defense doesn’t have to prove anything. If the plaintiff doesn’t prove every legally required part of its case, the defense wins even if the defense provides no evidence at all.

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Andrelton Simmons draws comparisons to Ozzie Smith for his defensive prowess. Both players are recognized as once-in-a-generation all-time greats at their positions, though Simmons has yet rival Smith’s Hall of Fame career.

Apart from the defensive skills, similarities have emerged between Smith and Simmons offensively, as well. Consider that, through the 2016 season, Simmons had taken roughly 2,500 plate appearances and put up a weak 85 wRC+. Compare that to Smith’s first seven seasons, through 1983, when he put up an even worse 74 wRC+ in more than 3,500 plate appearances.

Smith eventually turned his career around offensively, however, putting up a 103 wRC+ from 1984 through 1992 while producing 37 runs by means of the stolen base, a total which might even understate his total offensive value. Smith was bad on offense for quite some time, then he improved and was a good offensive player for a decent portion of his career. It’s possible we are seeing the same type of transformation from Simmons. The Angels shortstop put a 103 wRC+ last season at 27 years old; thus far this season, he’s doing considerably better, with a 143 wRC+ on the strength of his .331/.402/.466 batting line. Most remarkable about Simmons’ hitting numbers are the strikeouts — or lack thereof, rather — as Simmons has struck out in just 10 of his 200 plate appearances.

In 1998, Tony Gwynn stepped up to bat 505 times and struck out on just 18 occasions. The league-average strikeout rate of 17% at that point was nearly five times Gwynn’s 3.6% mark. Preston Wilson made his debut that season and struck out more times than Gwynn despite receiving only 60 plate appearances. Gwynn’s 3.6% strikeout rate isn’t the greatest of all-time. Joe Sewell struck out in under 1% of his plate appearances five times, while 68 players between 1919 and 1951 had qualified seasons with rates lower than 2%. There were 413 seasons during that time where a player’s strikeout rate was lower than Gwynn’s in that 1998 campaign. Gwynn himself even had four seasons with a lower strikeout rate than 1998, but when considering the overall context of strikeouts in the game, Gwynn’s 1998 season is probably the best of all-time. If Andrelton Simmons can keep this up, his season is going to be better.

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