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Jake Arrieta’s Mechanics: Learning from the Past

When we took a look at Jake Arrieta’s multi-faceted slider on Wednesday, the pitcher gave credit to ‘old-timers’ for the idea to use his legs to deaden the pitch. It turns out, there’s more old school in his mechanics than just a dragging back leg on a slow slider.

It’s not like Arrieta opened with a discussion of the way things used to be. When I first asked him about his mechanics, he felt there wasn’t one aha moment that helped him find his command and his best delivery. “I moved away from being concerned with mechanics to being more conscious of the positioning of my body and being able to put it in certain spots more consistently,” he said.

Just a natural growth, time, and a better understanding of his body had led to improvements. “Developing, maturing physically, understanding what you need to be consistent with, in order to have consistent command,” is how he put it.

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Eno Sarris Baseball Chat — 3/19/15

11:18
Eno Sarris: I’ll be here shortly!

11:21
{“author”:”ribbonmusic”}:

12:01
Eno Sarris: dude, my pancakes are almost ready

12:01
Comment From Tony G.
How worried are you about Cobb right now? Percentage chance he goes for TJS this season?

12:01
Eno Sarris: Well he gets hurt all the time, so lower than another guy that randomly gets this pain? 15%?

12:02
Comment From Larry David
How much do you love deGrom? His stuff looks nasty. I’ve offered someone Wright for deGrom in a keeper points league. I have Kris Bryant. I am afraid of nothing.

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Diving Into First Base: Maybe Not Crazy

“Chester wouldn’t play baseball unless Wilson played, and they never swung at the first pitch or slid headfirst.” — Chester’s Way, by Kevin Henkes

Most of us have been taught that running through the bag is unequivocally faster than diving into it. Those who dive into first base are often ridiculed for doing so, risking injury to themselves while simultaneously making themselves less likely to beat the throw. However, a new way of thinking about the physical effects on the runner as he dives through the bag — pioneered by the father/son duo that make up “Baseball con Ciencia” — shows that the diving runner could close the distance to the first base bag at a faster rate. Theoretically.

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Jake Arrieta’s One-Grip Multi-Slider

It has one grip, and one sign, but Jake Arrieta’s slider has many shapes. Ask him if it’s a slider or a cutter, and he says it’s both, and more. As much as anything was the secret to his breakout last year, the slider — in its many forms — might be the best answer.

ArrietaSlider

“I can manipulate the velocity, I can manipulate the break, depending on the situation, depending on the hitter, depending on the count,” the pitcher said last week in Spring Training. Look at the movement and velocity of all the balls labeled slider or cutter by PITCHf/x over the past two years, and it just leaps out at you: it looks like he has three sliders.

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JABO: Kris Bryant on His Swing

Ask top prospect Kris Bryant about his swing, and he’ll tell you something you may have never heard before. You’ll probably also have to ask a few knowledgable people to help explain what he means.

After talking to Bryant in Spring Training last week, I asked FanGraphs prospect maven Kiley McDaniel, professional hitting consultant Dan Farnsworth, and prospect video guru Steve Fiorindo of the Prospect Pipeline to comment on the things Bryant said about his own swing. It’s an analysis of a self-analysis, if you will, with some of the moving images below provided by Carson Cistulli.

Kris Bryant: I stood straight up in high school. I haven’t changed anything since my college years, that’s when I widened out. Sophomore year I widened out so I could get to the low pitch easier. I got more power from it too because I started using my hips and legs and I was firing through the zone a lot quicker. Now that I’m wider, I have a whole lot more power.

Bryant HR Side

Kiley McDaniel: I note when a batter has a low stance, since it’s easy to notice and is descriptive, but as with pitcher arm actions and the general idea of a guy’s swing, things like wide setup/power hitter, these aren’t things you can usually change with any success. So having an opinion about it in general usually doesn’t matter, since you’re so unlikely to be able to change it long-term even if you think you have a better answer.

Steve Fiorindo: I think the widening of the stance minimizes other movements, it helps for a quiet swing, but you have to be pretty strong to do it (obviously he is). Wide base, little or no stride = less opportunity for swing to break down. I know some guys like the big leg kick, (I say do whatever works for you), but the big leg kick often leads to foot getting down and body shifting weight over the front foot too so the swing breaks down and there is nothing behind it.

Dan Farnsworth: While there’s no magic distance between the feet that can create the most power in general, on the individual level it can definitely make a big difference. For Bryant, I would imagine his base being wider allows him to more easily activate his glutes than when he was more narrow.

Think of it like doing a squat with a narrow base versus a wide base. There’s certainly a sweet spot dictated by individual anatomy that allows for the quickest firing of the strongest muscles in the lower half. The swing isn’t strictly an upward move like a squat, but the same muscles utilized to push into the ground go through much of the same movement to turn that linear force (straight into the ground) into rotational force. His best position for creating power is just a reflection of how the muscles and bones in his lower half are built, and his previous swing base probably wasn’t in as optimal of a position.

Kris Bryant: It’s almost like a rubber band between your hips and your hands. Your hips go and you have your hands kept back as long as possible, until the last second, then they have to come through and so it’s like a rubber band effect, essentially.

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Eno Sarris Baseball Chat — 3/12/15

11:03
Eno Sarris: be here at the top of the hour. In the meantime, of

11:03
{“author”:”xxofMontrealxx”}:

12:00
Comment From Sir Nerdlington
Very impressed with Jayson Werth’s balanced approach when writing his own 2015 FG+ commentary. http://www.fangraphs.com/st…

12:00
Eno Sarris: That is an impressive typo.

12:01
Comment From Alex
Who has a bigger 2015 fantasy season, Albert Pujols or Carlos Santana?

12:01
Eno Sarris: I’ll bet on the younger guy, actually!

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Kris Bryant and Tall Strike Zones

The first thing you might notice about Kris Bryant is not the prodigious power. You’d have to watch a couple of plate appearances before you could really understand that side of him.

The first thing you would probably notice about Kris Bryant is that he’s tall. But when you ask him how that’s affected his plate discipline, you’ll stump him for a second.

At least when it comes to walks, Bryant hasn’t worried too much about having a bigger strike zone. “I haven’t been 6’5″ my whole life,” he laughed. He may not be an Eddie Stanky, but as he’s grown, he’s “figured out” his own strike zone, and begun focusing on getting to pitches in order to use his length as a strength.

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Joey Votto, Jay Bruce and the Back Leg

Last year, Cincinnati’s two middle of the order bats both had back leg injuries that robbed them of much of their power. Because of the complicated nature of swing mechanics, maybe it’s not surprising that both sluggers were affected differently by left leg injuries. But they did suffer.

“I saw a lot of ground balls to the right side of the infield results last year and I had a difficult time hitting within my typical profile — power to left field,” said Joey Votto this week in Arizona. “The pain was a limiting factor.”

When pushed to describe exactly how his left quad strain affected his swing, Votto spoke of a lean in his stance. “Being able to lean heavily on my back leg and be able to rotate the knee through and also lean at an angle” was important to the slugger — “I think that I buy myself a little extra space on the back side of the strike zone by being able to lean.”

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JABO: Arizona’s Rotation Full of Kids

“It’s great, I love it,” said a bright-eyed Chase Anderson about the overfull rotation in Arizona this spring. Maybe he can be a little more enthusiastic about it — his arsenal is maybe more complete than the other nine young pitchers he’s competing with in camp. That doesn’t mean that he isn’t working hard to improve, along side other fellow Baby ‘Backs Rubby de la Rosa, Allen Webster, and Archie Bradley.

Anderson has two changeups, a good curve, and already showed the ability to get strikeouts and limit walks at the major league level, so he has to be in the driver’s seat. He said this spring is about work on his two-seamer in particular, as he’d like to get more ground balls.

Teammate Rubby de la Rosa has an electric mid-90’s fastball and a changeup taught to him by a legend. “Pedro Martinez taught me this grip, he told me ‘practice it every day, and if you can have it come out at the right speed, it will be a strikeout pitch for you, I’m 100% sure it’ll be a great pitch for you,'” de la Rosa said after a bullpen in camp last week.

RubbyChange

He may not get the same legendary drop that Pedro got from the same grip — de la Rosa laughed when asked about Pedro’s fingers and their flexability, saying he couldn’t do anything like that himself — but the new D-back has a good change. It’s above-average by drop and fade, and got 16% whiffs last year (average was 13%).

It’s the breaking balls that have eluded the 26-year-old righty so far. He hasn’t thrown many curves in games, and the slider hasn’t managed an average whiff rate yet. The pitcher talked before and after a bullpen about the keys for his slider. One key was just keeping his curve and slider from morphing into one slurve by focusing on his release point.

The other key for his slider was more complicated. “I’m trying to get that pitch perfect,” he said. “I almost have it, but my arm speed is a bit fast, maybe. I’m tying to slow motion my feet so that I can catch up to my arm.” During his bullpen, you could see him trying to slow down his body compared to what he’s been in the past. Take a look at the end of his bullpen session in camp last week.

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Finding Andre Ethier a Home

The Dodgers are (reportedly) willing to pay half of Andre Ethier’s contract! As Dave Cameron pointed out, he seems a bit superfluous to the current state of the Dodgers. Now that he’s only going to cost a team around $28 million over the next three years, can we find him a home?

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