Yesterday, we examined pitcher in Los Angeles who’d switched from a pretty ordinary four-seam fastball to a more dynamic two-seamer and found success in the process. JC Ramirez does throw in the high 90s, but his was the story you want to tell.

What we might be seeing with Kenta Maeda is the opposite, or close to it. Because, right now, despite a strikeout minus walk rate that looks familiar, Maeda’s ERA is more than twice his 2016 version. The difference between the two years? Home runs, seven of them already. The fastball might be the key to avoiding those going forward.

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With Andre Ethier, Logan Forsythe, Franklin Gutierrez, Joc Pederson, Rob Segedin all on the DL — and both Chase Utley and Scott Van Slyke struggling to do much of anything — the Dodgers have called up Cody Bellinger to strengthen their lineup. Bellinger is a powerful first-baseman-turned-outfielder who spent the past few weeks mashing .343/.429/.627 at Triple-A at the tender age of 21. Like most first basemen, Bellinger’s power is his biggest asset. He belted 26 homers between Double- and Triple-A last year and has amassed a remarkable 120 extra-base hits since the start of 2015. He’s already hit five out this year, tying him for third among Triple-A hitters.

There’s much more to Bellinger than his homers, however. He’s also a 45 runner who already has seven steals to his name in 2017 and has played all three outfield positions as recently as last year. That same athleticism earned him a 60/70 fielding grade from Eric Longenhagen over the winter. Clay Davenport’s defensive numbers graded him out as a +8 defender across 78 games at first last year.

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Rich Hill is in the midst of a blister problem. It’s been going on since his breakout season last year. Since only three pitchers in 2016 threw more curveballs than Hill, it makes sense to blame the curve. Maybe there’s more at work, but also maybe not. It’s a pretty reasonable hypothesis.

I mean, for one, the pitcher himself believes it. “It’s right there, on the pad of my finger, where it touches the seams on my curveball,” said Hill on Tuesday night. Curious about the condition of his digit, I pushed: could I take a picture of the pad on his middle finger pad? “Nobody’s taking a picture of my finger,” he laughed. I didn’t pursue the matter any further.

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To start, we might as well revisit the difference between command and control, or at least the accepted version of that difference: control is the ability to throw the ball into the strike zone, while command is the ability to throw the ball to a particular location. While we can easily measure the first by looking at strike-zone percentage, it’s also immediately apparent that the second skill is more interesting. A pitcher often wants to throw the ball outside of the zone, after all.

We’ve tried to put a number on command many different ways. I’m not sure we’ve succeeded, despite significant and interesting advances.

You could consider strikeout minus walk rate (K-BB%) an attempt, but it also captures way too much “stuff” to be a reliable command metric — a dominant pitch, thrown into the strike zone with no command, could still earn a lot of strikeouts and limit walks.

COMMANDf/x represented a valiant attempt towards solving this problem by tracking how far the catcher’s glove moved from the original target to the actual location at which it acquired the ball. But there were problems with that method of analysis. For one, the stat was never made public. Even if it were, however, catchers don’t all show the target the same way. Chris Iannetta, for example, told me once that his relaxation moment, between showing a target and then trying to frame the ball, was something he had to monitor to become a better framer. Watch him receive this low pitch: does it seem like we could reliably affix the word “target” to one of these moments, and then judge the pitch by how far the glove traveled after that moment?

How about all those times when the catcher is basically just indicating inside vs. outside, and it’s up to the pitcher to determine degree? What happens when the catcher pats the ground to tell him to throw it low, or exaggerates his high target? There are more than a few questions about an approach affixed to a piece of equipment, sometimes haphazardly used.

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Daily notes on prospects from lead prospect analyst Eric Longenhagen.

Mike Soroka, RHP, Atlanta (Profile)
Level: Double-A   Age: 19   Org Rank: 9  Top 100: 93
Line: 5 IP, 2 H, 0 BB, 2 H, 7 K

Notes
Soroka is the most polished strike-thrower of Atlanta’s young arms and has mature competitive poise. Much was made of his aggressive assignment to Double-A, but this was a promising start.

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Perhaps the best athlete, to date, is joining the revolution.

Said athlete is Yasiel Puig and said revolution is that of the fly-ball. It seems more and more batters are pushing against traditional coaching orthodoxy and endeavoring to lift the ball in the air.

Exhibit A from Thursday afternoon at Dodger Stadium:

According to MLB.com’s Austin Laymance Puig has been working with teammate Justin Turner on adding loft to his swing. And Puig is off to a tremendous start this season, having hit three home runs in four games.

“What I think about is putting the ball in the air,” Puig said via interpreter, “or else I’m going to have no money in my pocket.”

Turner, of course, is one of the key agents of the fly-ball revolution. If not the protagonist, he’s at least played an important supporting role. After a mediocre start to his career, Turner sought the help of outside hitting instructor Doug Latta, who believes that the ideal swing path is one that launches balls into the air. Turner’s mechanical adjustments turned him into a star. And now Turner is approaching players whom he believes can benefit from getting more balls into the air. The Puig-Turner relationship could perhaps be another example of the power of word of mouth, the power of peers to push a movement towards a tipping point.

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Last spring, in Dodgers camp, a remarkable thing happened without any of us noticing. It’s not uncommon, of course, for a young prospect to seek out a veteran starting pitcher for conversation. That sort of thing happens all the time. But when Jharel Cotton was soaking in knowledge from Scott Kazmir that day, something unique was happening. Baseball’s top changeup was hanging out with baseball’s second-best changeup. A baton was being passed.

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There was plenty about Clayton Kershaw’s Opening Day start that was predictable. He sat between 92 and 93 on that straight, riding fastball. He showed command of the pitch and didn’t walk anyone. He threw a fastball on his lone 3-1 count. The box score says he threw 27 sliders and got five whiffs — an excellent rate. His 15 curves got two whiffs and two outs on five swings. So a lot of Monday’s start was just vintage Kershaw. But that doesn’t mean he didn’t show us something a bit different.

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Joc Pederson hit a home run on Monday. It was a grand slam. It was, further, a tie-breaking grand slam, but it wound up a little bit lost, because Yasmani Grandal also hit a home run. And Grandal hit an additional home run. And Corey Seager hit a home run, too. The Dodgers beat the Padres by 11, and although no one is ever favored to defeat another club by 11 runs, Monday felt almost like a foregone conclusion. The Padres got whooped, and Joc Pederson was just a part of that.

But, this — this is the time to over-analyze. So let’s do that! As far as I’m concerned, personally, Pederson’s grand slam made an impression, and I’d like to keep thinking about it. For Pederson, it was a new kind of pitch to take deep, and it speaks to how far he’s already come.

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The other day, I got a text from a baseball friend, asking if the Padres and Dodgers were getting prepped for the most lopsided opening-day matchup in baseball history. I didn’t and don’t have any good way to respond, since the necessary calculations would be way over my head, but it’s at least fun to poke around here to show just how awful this really looks. The Padres are bad, and the Dodgers are good. To make matters worse, the opening-day Padres get Jhoulys Chacin, and the opening-day Dodgers get Clayton Kershaw. One of the best teams in baseball, at home, against one of the worst teams in baseball, and the best team gets to use the best starting pitcher on the planet. Fantastic!

You might know that we calculate game odds, based on matchups, lineups, and location. When the Nationals hosted the Marlins earlier today, we put the Nationals’ pregame odds of winning at 63.2%. When the Mets hosted the Braves, we put the Mets’ pregame odds of winning at 65.2%. Here is where the Dodgers started off:

75.6%. Before anything had happened, we gave the Dodgers a 75.6% chance of winning. You don’t need the numbers to tell you the Padres were already up against it coming in, but for reference, all of last season, there were just seven games with the favorite at at least 75%. The most lopsided matchup of all had the favorite at 77.8%. Of the seven games in this table, four were Kershaw starts.

You see that the favorite won all of those games. This Dodgers-Padres showdown would’ve ranked as the seventh-most lopsided game of last year. No one’s going to be favored against Kershaw and the Dodgers, but at least in theory, on opening day, you get to put your best foot forward. The Padres’ best foot involves Jhoulys Chacin. The next game, at least, should look a lot better.

I’ll point out that last year’s biggest upset had the Phillies overcoming pregame odds of 74.4% in the Pirates’ favor. One day in, and the Padres have a shot to pull off a bigger upset than anything we saw all of 2016. How have things been going since I started this entry, when the teams were knotted up 1-1?

I see.