Which pitcher in baseball has the best fastball? Aroldis Chapman. This isn’t one of those everyone’s-opinion-is-valid situations. The answer is Aroldis Chapman. While I’ll grant that the real, absolute answer is unknowable, based on the things we know, Chapman has the best heat, and that’s basically why he’s long been one of the best relievers. He’s thrown a slider, too, to keep people honest, but he’s thrown it just often enough for honesty, and he’s thrived with the heater. He’s the owner of the fastest pitch thrown in the PITCHf/x era.

So you can imagine what it’s like to face Chapman in the box. I’m kidding, it’s unimaginable, and you should be thankful for that, because you don’t want to experience what those players experience. Imagine preparing for that kind of fastball. Imagine not knowing where it’s going to be. Imagine having the sense that maybe, just maybe, he’s going to throw a wrinkle. But you basically have to sit fastball. There would be two worst nightmares: a fastball high and tight, and a changeup.

Uh oh.

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Last night, Johnny Cueto dominated the Dodgers, punching out 12 batters in just six shutout innings. This wasn’t anything new, though; Cueto has been destroying opposing hitters all season long. Hitters are batting just .158/.218/.261 against him this year, good for a pitiful .217 wOBA, and he’s the easy early frontrunner for the NL Cy Young Award.

Cueto has been very good before, but this year, he’s taking things to another level. His 28% strikeout rate is nine percentage points higher than his career average, and seven percentage points better than his career-best, posted last year. Last night was his fourth start of the season in which he punched out 10 or more batters; he’d only done that three times in his entire career prior to 2014. Cueto has always been a strike-thrower with a roughly average strikeout rate who succeeded by limiting hits on balls in play, never walking anyone, and completely shutting down the running game with the game’s best pickoff move.

Cueto is still doing all those things, only now, he’s also posting the fourth highest K% of any starting pitcher in baseball; the only guys ahead of him are Strasburg, Darvish, and Tanaka. Combine an elite strikeout rate with everything else Cueto does well, and you have something close to perfection.

But this isn’t the amazing part. The amazing part is how he’s doing it.

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Twice this offseason, Joey Votto has uttered a comment that goes against the baseball orthodoxy that lineup protection is best done behind the hitter. Votto believes it is done in front of him, and is best done by Billy Hamilton.

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A common question in our chats has asked how much longer the Reds can put up with Billy Hamilton and his lousy numbers out of the leadoff slot. Hamilton was known to be a question mark coming into the year, and he got off to a putrid beginning, and all the speed in the world can’t do you any good if you can never even get down to first. Some entertained the idea of Hamilton becoming a full-time pinch-runner, figuring that was the way for him to maximize value. The questions have been coming in less frequently lately. Hamilton, since April 15, has hit .340.

That isn’t intended as evidence that Billy Hamilton is a good hitter. Before he started hitting .340, Hamilton was hitting .140, and that data’s every bit as valid. What’s becoming more clear, though, is that Hamilton’s a real player, and not just an assortment of exaggerations. Before a player arrives in the majors, it’s tempting to view them as caricatures of their strengths and weaknesses. Then big-league performance pulls everything back closer to the ordinary. Billy Hamilton played a game Tuesday that said as much as words could: he’s probably not the worst hitter in baseball. And while he’s gifted on the bases, he’s far from un-throw-out-able.

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An important point to remember is that defensive shifting isn’t new. As much attention as the shift gets these days from broadcasts and other media, teams have been moving their defenders around for decades. What’s changed are two things: shifts now are a little more individualized, and shifts now are a hell of a lot more common than ever before, by leaps and bounds. Used to be a few guys would get shifted against. Now it isn’t even unusual to get shifted against, since it’s not like it’s only the elite hitters worth a bit of strategizing. Pull and spray tendencies, after all, are similar across the board.

It isn’t just the greats that get shifted against, which is how you end up with situations like the Pirates shifting against Brayan Pena. It doesn’t matter that Brayan Pena isn’t a good hitter — if there are ways to make him worse, any gain is a gain. It’s strategy, on the Pirates’ part, to shift against Pena. And for every strategy, there is a counter-strategy. What you’re about to observe is Brayan Pena trying to beat the Pirates’ shift, from Tuesday night. Did I already mention that Brayan Pena isn’t a good hitter? Yes, okay, good, that’s going to come up again.

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One of the big conversations taking place in baseball right now concerns whether or not Billy Hamilton is going to hit enough to stick as an actual long-term regular. It’s a justifiable worry, because Hamilton didn’t exactly tear up the minors, and he hasn’t looked fantastic in his limited exposure to the majors. We won’t know for a while whether Hamilton can do enough at the plate, but it’s good to have the occasional reminder of why he’s being held to a lower baseline than others. Wednesday’s fifth inning of a game between the Reds and Cardinals provided such a reminder.

It wouldn’t be fair to say that Hamilton made a run happen entirely on his own. He required assistance from the pitcher, his teammates, and the rest of the opposition. But with no other player in baseball would a run have been scored, given the sequence you’re about to observe, in .gif form.

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Monday featured, for the first time in 2014, a full slate of meaningful baseball, albeit with a bit of a lull in the late afternoon as the only live game for a stretch had the Rockies and the Marlins. I met a friend at a neighborhood bar a little after 5, and the bar had the game on all of its screens, and after a little conversation I found I was completely hanging on the action. Come August, I probably won’t be watching the Rockies and the Marlins, but this early in the year, everything’s interesting. And while we always know that anything can happen, there’s no cynicism around opening day. By the middle of the year, anything can happen, but we know what’s probably going to happen. In late March and early April, it’s more fun to imagine that baseball’s a big giant toss-up. That Marcell Ozuna looks good. If he hits, and if the Marlins get their pitching…

I don’t remember what most opening days are like, but this one felt like it had an unusual number of anything-can-happens. That is, events that would take one by complete and utter surprise. What are documented below are, I think, the five most outstanding miracles from a long and rejuvenating Monday. From one perspective, this is evidence that the future is a mystery and all a surprise is is a run of good or bad luck. From another, more bummer of a perspective, this is evidence that opening day doesn’t matter at all in the grand scheme of things and come on why are you already projecting Grady Sizemore to be a five-win center fielder? Why are you already freaking out about the 2014 Blue Jays? Be whatever kind of fan you like. Just remember that baseball is a silly game, and you’ll never outsmart it.

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It’s spring training, and the results don’t matter. That’s the perfect time to work on process, and so everyone’s adding, subtracting, and adjusting right now. Even a mid-career veteran that’s top five in baseball over the last five years has to take part in the process. The thing is, he might not be working on the same things that some fans would expect. He’s not necessarily following the publicly-accepted offseason agenda for his game. But believe: Joey Votto is working on things.

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Baseball, without question, is going to be a worse game without Mariano Rivera. It wasn’t just that Rivera was consistently excellent. It’s that he was also unwaveringly humble and gracious, being the rare sort of Yankee you could like even if you rooted for a team of non-Yankees. But Rivera’s retirement does, at least, open up some questions that previously wouldn’t have been up for debate. When it comes to picking the best at something, Rivera’s absence gives a chance to somebody else.

I was asked in my Tuesday chat to identify the new most dominant pitch in baseball. Before, the answer was automatic: Mariano Rivera’s cutter. It was that way for nearly two decades, as Rivera rode one masterful pitch to glory and a certain place in the Hall of Fame. Rivera never really declined, and his cutter topped the list because of his command, his results and his longevity. But now we’re able to entertain the idea of other pitchers and other pitches. With Rivera out of the picture, choosing another pitch isn’t blasphemous. The way I see it, there are two contenders.

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Aroldis Chapman doesn’t throw all the hardest pitches in baseball, but he does throw most of them. Last year, PITCHf/x captured 41 pitches of at least 102 miles per hour. Of those, Chapman was responsible for 27. He throws the kinds of rockets that make even rival spectators gasp, and indeed, the heat has long been his calling card. It’s one of the most exceptional abilities in the game.  Chapman throws a lot harder than just about anyone. But what if he didn’t?

In a sense, this is a hypothetical. In a sense, this can be investigated. What if we chopped a few miles per hour off Chapman’s average fastball? We can’t know for sure what that pitcher would actually be like, but we can make something of an educated guess, based on Chapman’s history. So let’s try it, just to see. Big thanks to Brooks Baseball for making this fairly easy.

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