A few weeks ago, it all looked so simple. The Tigers were steamrolling foes, and the rest of the division members languished. Detroit held a seven-game lead in the American League Central, and in fact had the best record in baseball. Fast forward three weeks and they have been the worst team in the AL since, with only the Colorado Rockies performing worse in the National League. It’s been an unexpected turn of events for sure, and it has flattened the AL Central standings. The Tigers still stand as the overwhelming favorite to win the division, but there is definitely more doubt now than there was in mid-May.

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You’re a pitcher? You need a change-up.

That automatic response seems reasonable enough given the state of modern pitching analysis. You’ve probably heard it plenty of times about pitchers like Justin Masterson or Chris Archer. After all, the change breaks away from opposite-handed hitters and helps pitchers neutralize platoon threats.

But you know what? There’s another pitch that breaks away from opposite-handed hitters: the two-seamer or the sinker, whatever you want to call it. And yet lefties love sinkers from righties. So why do two pitches with similar movement have such different results?

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Victor Martinez is in his age-35 season. He spent nearly a decade in the majors playing catcher, the most physically demanding position for a hitter to play. He missed the entire 2012 season after tearing his ACL. Things like these are not exactly a recipe for success with regards to potential comeback scenarios for your typical hitter. Victor Martinez is not your a typical hitter.

In terms of just hitting, Martinez has been the best player in the American League this season. His .417 wOBA and 166 wRC+ are seventh-best in the entire MLB. Both his Steamer and ZiPS updated full-season projections have him finishing with the highest wRC+ of his career. This is pretty interesting, given the circumstances laid out above.

What’s even more interesting is how he’s doing it.

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Justin Verlander has a 3.55 ERA. Seems a little strange to be worried about a pitcher with a 3.55 ERA. But, a few things, about that ERA:

1. it is worse than some of his old ERAs
2. a league-average ERA is lower than it used to be
3. ERA, really?

There’s concern, and the concern is legitimate. Okay, so you go a step beyond ERA. You look at FIP. Verlander’s FIP is even lower than his ERA! ERA takes a long time to stabilize, but FIP can take a while, too, on account of how much it depends on dingers. Verlander, so far, hasn’t given up too many dingers, but let’s use a stat we just introduced on Tuesday to show why Verlander is at the root of much angst.

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As of this writing, the Detroit Tigers are the only team in the AL Central with a record above .500. They rank sixth in all of baseball in both runs scored per game and runs allowed per game. While their offense ranks in the top 10 in WAR, their pitching is what is really shining — ranking second in all baseball just behind the Red Sox. The claim that the Tigers have good pitching is not an original one, certainly. They have a pair of Cy Young award winners in Justin Verlander and Max Scherzer, as well as Anibal Sanchez, who would be the ace of a lot of teams.

Other members of the rotation pique certain interests as well. Drew Smyly is getting another shot at starting, and Robbie Ray has been more than adequate while filling in for an injured Sanchez. Applying a sort of family dynamic to the team — Verlander, Scherzer, and Sanchez are the older kids that are just kind of doing their own thing while Smyly and Ray are the little ones that garner all the attention. This leaves Rick Porcello, the Jan Brady of the Detroit Tigers.

Porcello isn’t a dominant strikeout artist. He doesn’t have amazing “stuff” that gets featured via GIFs. Though he’s only 25 years old, he isn’t seen as part of an exciting new crop of pitchers. He isn’t flamboyant, he doesn’t say crazy things to the press. On the surface, Rick Porcello is boring.

But do you know what else Rick Porcello is? A top-25 starting pitcher. Since 2012, he’s been the 24th best pitcher by WAR and ranks 25th so far this season. He doesn’t walk many, he keeps the ball on the ground and in the ballpark. He may not have the dazzle of a Jose Fernandez (RIP), but he’s a vey effective pitcher in his own right. And he may be getting more effective. Read the rest of this entry »

Plate discipline is easy. You’re supposed to swing at hittable strikes and lay off of everything else. Two-strike discipline is also easy. You’re supposed to swing at basically all strikes and lay off of everything else. The problem is pitchers have conspired to throw baseballs both wickedly fast and wickedly darty, because they are the hitters’ very opponents, and this makes the ideal theoretical discipline impossible to achieve. But when you have two strikes, you definitely don’t want to get caught staring at a third. That’s a pitch a hitter should’ve swung at. It’s an inevitability that called strikeouts happen, and that’s even inevitable for Victor Martinez, But for the longest stretch, he was clean. For 641 consecutive plate appearances, he was clean.

Understand what we’re talking about: Over just about a full season’s worth of plate appearances, Martinez didn’t strike out looking. His streak started on May 22, 2013, carried through the playoffs and ended on Monday. Now, this isn’t always necessarily indicative of success. Last year, Endy Chavez struck out looking once, and he was bad. Josh Phegley struck out looking once, and he was bad. This year, Alex Presley has yet to strike out looking. Back in 2012, the lowest ratio of called strikeouts to swinging strikeouts belonged to Delmon Young. If you swing at everything, you’ll never watch strike three. But the same numbers can be different indicators for different players, and for Martinez, this seems like an accomplishment to celebrate.

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Probably the worst move of the offseason was when the Tigers shipped Doug Fister to the Nationals for a package highlighted by prospect Robbie Ray. It was at least the move most commonly referred to as the worst move of the offseason, and on his own list of the worst transactions, Dave Cameron put it at No. 1. I don’t need to go into all the explanations, but because of all the conversations we’ve had, Ray and Fister might be forever linked. Ray is certainly a pretty well-known prospect, now. And just as everyone expected when the trade was announced, Ray has ended up pitching in the majors in 2014 sooner than Fister has, after making his big-league debut Tuesday night.

There’s only so much you can make of a start, particularly when it’s a first start. You have to account for all the jitters. You have to think a pitcher might not have his normal approach. Ray happened to start against the Astros, which makes for another variable, and then, above everything else, you have the sample size of a handful of innings. Ray survived, which means his start was a success, and he allowed just one run, which means he can feel really good today. Big-time analysis, we can’t perform. But for some analysis, we are already in the clear.

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You remember what the concerns with Austin Jackson used to be. There weren’t many questions about his defense, there weren’t many questions about his athleticism, there weren’t many questions about his ability to hit the ball hard. There were, simply, questions about his ability to hit the ball. A fine rookie season gave way to a mediocre sophomore campaign, in which Jackson posted the fourth-highest strikeout rate for a 24-year-old ever. Before 2012, Jackson worked hard to modify his swing and, most visibly, eliminate his high leg kick. He chopped a fifth off of his strikeouts, and his lifted his wRC+ by almost 50 points. Austin Jackson had been fixed, and he turned into a legitimate everyday player.

So fans knew what to credit for Jackson’s turnaround. Mechanical changes always make good sense after the fact, if a player’s been successful. Jackson had a rougher go of it in 2013, but he did keep his strikeouts down. Yet Jackson was awful in the playoffs, and he’s off to a scorching start in 2014, and he’s looked both very familiar and very different. Funny thing about those mechanical changes.

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During their time together, much was written about Miguel Cabrera, Prince Fielder, and the idea of lineup protection. In theory, by having Fielder right behind him, Cabrera would get more hittable pitches and hittable fastballs. Certainly, Cabrera’s offensive game didn’t suffer, and when Fielder went away, much more was written about the idea of losing lineup protection. Would Cabrera be pitched around, with an inferior threat behind him? In the very early going in 2014, there were half-humorous observations that Cabrera’s rate of pitches in the strike zone actually went up. That is, by losing his protection, Cabrera wound up in a better spot, and therefore the idea of protection is nonsense.

But there’s something interesting there. Pitch patterns, given a good-enough sample, can reveal something about opposing scouting reports. If Cabrera had seen more strikes with Fielder on deck, perhaps that would suggest that Fielder was serving as protection. Josh Hamilton doesn’t get a lot of pitches in the strike zone, because teams know to make him chase. Marco Scutaro gets a lot of pitches in the strike zone, because teams know not to be too afraid. What if — what if — teams pitched to Miguel Cabrera as if they weren’t that afraid of him? That would be crazy, right? Wouldn’t that be crazy?

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Even good hitters go through a cold streaks at some point. If they want to avoid fan panic, though, they need to make sure and save those week or month-long slumps for later in the season. When slumps happen at the beginning of the season, they sandbag the player’s line, and it takes a while for even a good hitter’s line to return to “normal.” Most FanGraphs readers are familiar with the notion of small sample, and thus are, at least on an intellectual level, hopefully immunized against overreaction to early season struggles of good players.

Nonetheless, at this time of the year it is often good to have some existential reassurance. Intellectually, we know that just because a cold streak happens over the first two weeks or month of a season it is not any different than happening in the middle of the year. Slumps at the beginning of the year simply stand out more because they are the whole of the player’s line. One terrible month (and we are not even at the one month point in this season) does not doom a season. Rather than repeat the same old stuff about regression and sample size, this post will offer to anecdotal help. Here are five seasons from hitters, each of which contain (at least) one terrible month at some point, but each of which turned out to be excellent overall.

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