Talking to Erasmo Ramirez is refreshing. He always has a smile on his face. Life is fun for him — especially now. He’s having the best season of his career in Tampa Bay. It turns out that changing the use of his slider has been a big part of that success. And certain aspects of his slider may provide a roadmap for other pitchers that should make the same move.

His best pitch is his changeup — “it’s the best one to take me out of troubles,” the pitcher admitted to me — but it’s not good enough to throw every single time. “I try to stay away from it, and show the hitters I’m going to throw every pitch I have in my arsenal,” Ramirez said of his pitching mix.

The grip for the change thrown by Erasmo Ramirez, which has the seventh-best swinging strike rate in baseball (min. 400).

The breaking balls haven’t been great. Even as Tony Blengino waxed positively on the pitcher recently, he admitted that “his breaking balls needed reps” coming up. Ramirez this year has been using his curve less (“I’ve been trying to stay away from it, unless I have it rolling.”) but a key change in his slider usage has been huge.

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It’s been a rocky, inconsistent year for the Seattle Mariners, for whom much was expected by many. They are likely to finish more than a couple games below .500, comfortably out of the very attainable second wild-card position. The stunted development of many of their young, homegrown players, including Mike Zunino and the since departed Dustin Ackley, was a major factor. Early on, it looked like Taijuan Walker, who just recently turned 23, was part of the problem. Around Memorial Day, he began to look like part of the solution. Which version of Walker is the one we can expect to see moving forward?

I was a member of the Mariner front office in 2010, and had extensive involvement in the amateur draft. We did not have a first-round selection that year, but did possess a sandwich-round pick, received as compensation for the loss of Adrian Beltre. As one might expect, our draft board was shot full of holes as our turn approached. We thought very highly of Walker; he was in the top 15 of our board. He was joined there by a couple of other righ-handed pitchers, Aaron Sanchez and Asher Wojciechowski, followed by a bunch of blank spaces where other draft magnets had once resided. The Blue Jays had a bunch of compensation picks that year, and selected both of those guys before our turn arrived.

We were thrilled to select Walker. Great athlete, multi-sport star, easy velocity with feel for his curve ball, very few miles on his arm. As an added bonus, he didn’t turn 18 until August of his draft year. When you’re dealing with a projectable high school athlete, in particular, those few months are actually a pretty big deal. The product of Yucaipa HS in Southern California wasn’t a sure thing, with little track record to speak of, even by high school standards, but the raw materials suggesting potential stardom were certainly in place.

He dominated from the get-go in the minors, breaking camp at full-season Low-A Clinton in his first full pro season. Each year, I compile my own ordered minor-league lists of top full-season-league position-player and starting-pitcher prospects based on performance and age relative to league and level. These basically serve as follow lists, with the orders then tweaked based on traditional scouting methods. Walker ranked in the top 20 in each of his four minor-league seasons, peaking at #7 following the 2013 season. This combination of upside and consistency marked him as a likely major-league star.

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Let’s get right to the point. It’s not often that I use OPS instead of wOBA or wRC+, but sometimes OPS is just easier, like when you’re relying on the Baseball-Reference Play Index. OPS is the inferior statistic, but the correlation is very strong, so, with that out of the way, here are this year’s worst-hitting catchers, by team:

• Twins, .591 OPS
• Marlins, .580
• Mariners, .466

I’m not one of those people who minds when commenters make note of typos. I actually appreciate it — I hate little mistakes, and I want to have them corrected. Some of you might feel like the above includes a typo, specifically with regard to the “4” in the Mariners number. I assure you, that number is very much accurate. If the 4 were a 5, the Mariners would still be in last. The 4 is a 4. This is only going to get worse.

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Since the start of the 2009 season, no team has won fewer games than the Astros, and during that window they’ve picked up a new general manager. The Marlins have won the second-fewest games, and they technically changed general managers. So did the Cubs, with the third-fewest wins. So did the Rockies, with the fourth-fewest wins. And now so have the Mariners, with the fifth-fewest. Word went out Friday morning, on the firing of Jack Zduriencik, and though no one expected the specific timing, the writing had probably been on the wall. Think about the Mariners. Think about what you think about when you think about the Mariners. That’s why they made this decision. It felt inevitable, with the only question being, when would the blade drop?

If you’re reading this, I’m guessing you’re no stranger to FanGraphs. If you’re no stranger to FanGraphs, I’m guessing you’ve seen a certain reference once or twice before. It’s this one. Years ago, FanGraphs tried to feature organizational rankings, and though we no longer do that, people have long memories, and in between 2009 and 2010, the site ranked the Mariners at No. 6, just above — also hilariously — the Rockies. A big reason was because the FG staff at that time collectively believed in the new Zduriencik front office. People laugh because, by and large, the Mariners have sucked. People laugh because, by and large, the front office seemingly took a step back. But I think this is particularly interesting to reflect upon. Say what you will about the ranking, but that’s what the staff believed. And not too long after, the front office completely changed its identity.

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Wednesday was a pretty good day for starting-pitcher redemption. Most visibly, Justin Verlander came a few outs from no-hitting the Angels, calling attention to the fact that it looks like he’s back on track. In Chicago, Rick Porcello returned to the Red Sox and spun seven shutout innings, after entering with an ERA near 6. And Felix Hernandez turned in an effective outing at home against the A’s, following a stretch of particular and peculiar hittability. None of these pitchers stand to mean very much down the stretch, their teams basically out of contention, but fans want to know who can be relied on, and the three of them provided arguments for why they can still be good, for a while to come.

With Felix’s outing came an explanation. Felix was aware of how badly things had gone for him, so he took the uncharacteristic step of watching some video of himself and working out in the bullpen. According to Felix, he saw that he was rushing through his delivery, and that was costing him both location and movement. So he worked on knocking that off, and then not only were Wednesday’s results good, but Felix felt like he had his command. He thought his pitches were much better. It seems like that should be everything. There was a problem, the pitcher claimed to identify the problem, the pitcher worked on the problem, then the next performance was good. It ought to be comforting, everything wrapped up so neatly.

Yet I still can’t help but wonder. Just how much did Felix actually solve? A pitcher knows himself better than anyone, but even a pitcher can end up biased by results. Wednesday, the numbers were there. Dig deeper, and it’s a stranger case.

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Of the 338 Triple-A hitters who have recorded at least 200 plate appearances this season, only two have an isolated-power (ISO) mark north of .300. The first is Richie Shaffer, an interesting Rays prospect who spent some time in the big leagues this season. The second is a player by the name of Jabari Blash. No, that’s not a character from Harry Potter, or even an Edith Wharton novel. Jabari Blash is a real, live outfielder in the Mariners organization.

Blash has hit a ridiculous .246/.370/.624 in 50 games at the Triple-A level this year. Prior to that, he slashed a similarly ridiculous .278/.383/.517 in 60 Double-A contests. But it’s his very recent performance that really stands out. Since August 6th, the 6-foot-5 slugger has put together a .292/.395/.785 performance on the strength of his 10 home runs. Those are essentially peak Mark McGwire numbers.

Blash’s stats are great. His downside, however, is that he just turned 26. Players who are 26 don’t normally come up in prospect discussions. Most 26-year-old baseball players are either big leaguers or minor leaguers who aren’t worth thinking twice about. Blash, however, might be worthy of a second thought.

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Fresh off of the worst start of his career, Felix Hernandez is in the rundown for every baseball show on television. Often so far, the producer’s notes have asked the analysts to wonder if the team left their ace in too long, and what that means about the relationship between the player and his management and coaches. Here’s another reason to wonder if he was left in too long: is he hurting?

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Say what you will about the Mariners over the years, but at least they’ve thrown the American League’s last three no-hitters. And, say what you will about the significance of a no-hitter, but they’re undeniably exciting and cool, sometimes little oases of elation in a year that’s otherwise lost. You don’t need to overthink it. People like no-hitters. People like them because they’re neat. Hisashi Iwakuma just threw one, Wednesday afternoon in Seattle against the Orioles. The Orioles can hit pretty well!

It wasn’t the biggest surprise in the world, because Iwakuma has a history of being pretty good. It still qualified as a legitimate surprise, because Iwakuma had never before completed a major-league game, and this year he hasn’t entirely been himself. Much like Robinson Cano, it appears that Iwakuma has only righted himself too late to save the Mariners’ season. The best to hope for now is the occasional cool moment, and Iwakuma delivered as much as he could.

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This breakdown starts with the Scott Kazmir deal on July 23, but there weren’t any trades from the 16th to the 23rd, so this covers the whole second half of the month, trade-wise, up until now. I count 25 total trades with prospects involved in that span that add together to have 58 prospects on the move. Check out the preseason Top 200 List for more details, but I’ve added the range that each Future Value (FV) group fell in last year’s Top 200 to give you an idea of where they will fall in this winter’s list. Also see the preseason team-specific lists to see where the lower-rated prospects may fall within their new organization.

40 FV is the lowest grade that shows up on these numbered team lists, with 35+ and 35 FV prospects mentioned in the “Others of Note” section, so I’ll give blurbs for the 40 FV or better prospects here. I’ve also linked to the post-trade prospect breakdown for the trades I was able to analyze individually, so click there for more information. Alternately, click on the player’s name to see his player page with all his prior articles listed if I didn’t write up his trade.

I opted to not numerically rank these players now, but I will once I’ve made the dozens and dozens of calls necessary this fall and winter to have that level of precision with this many players. Look for the individual team lists to start rolling out in the next month, with the 2016 Top 200 list coming in early 2016. Lastly, the players are not ranked within their tiers, so these aren’t clues for where they will fall on the Top 200.

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The Mariners won on Thursday! That’s not uncommon. The Mariners have won a bunch of times, if you think about it. But they haven’t really strung them together. They haven’t won two games in a row since the start of the month. They haven’t won three games in a row since the last week of May. In the Mariners’ best month so far, they went 14-14. Right now they’re hanging around the bottom of the American League, and though the Mariners haven’t yet sold pieces off, the playoffs look like the longest of shots. Maybe a miracle is in the cards. Probably not. Miracles are never probable, or else they wouldn’t be miracles.

Speaking of things that aren’t uncommon, seeing the Mariners toward the bottom feels familiar. They haven’t made the playoffs since Ichiro was a rookie. But this year was supposed to be different. Last year wasn’t bad, and then the Mariners added Nelson Cruz. And Cruz, for the most part, has been terrific. Only a few months ago, the Mariners were the popular pick as division favorites. Now they have to be thankful for the struggles of the Red Sox, Indians and White Sox, as they aren’t the obvious biggest disappointment. This wasn’t supposed to be close to a last-place team.

I’ll admit, when you’re dealing with a last-place team, the last thing most people want to do is look back. And I think a lot of people have some understanding of how the Mariners have gone off track. It’s not a mystery, and of greater concern is where the team goes from here. But I did want to take this opportunity to run some math. To divide blame, if you will, for why the ship has sunk. I think this can be instructive.

We have all the current numbers we need. The Mariners are 44-52. They’re fourth from the bottom in the majors in Wins Above Replacement (WAR). We also have all the old numbers we need. At FanGraphs, before the season, we projected the Mariners to win almost 55% of their games. That winning percentage, over 96 games, would yield a record of about 53-43. So the Mariners are presently about nine wins off the expectation. Where were those wins supposed to come from? Where haven’t they come from? Helpfully, we have all the individual player preseason projections.

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