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Articles Tagged Velocity 

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09-14

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2

Team Chemistry: (If You) Can't Take The Heat
by
John Choiniere

05-27

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1

Raising Aces: Digging Under The Gun
by
Doug Thorburn

03-15

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8

Fantasy Freestyle: Spring Training Velocity Watch
by
Matt Collins

12-29

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0

Best of BP 2015: Setting Up the Spike
by
Brendan Gawlowski

11-25

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0

Raising Aces: Under the Gun 4.0, Part 2
by
Doug Thorburn

08-24

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8

Soft Toss: Setting Up the Spike
by
Brendan Gawlowski

04-14

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8

Moonshot: Does April Velocity Last?
by
Robert Arthur

03-28

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0

Changing Speeds: The Velocity Gainers and Losers of Spring 2014
by
Harry Pavlidis

03-07

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9

Raising Aces: Over the Radar 2.0
by
Doug Thorburn

03-03

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17

Raising Aces: Under the Gun 2.0
by
Doug Thorburn

10-30

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16

Baseball ProGUESTus: Is Speed Enough?: A PITCHf/x Look at the Effect of Fastball Velocity and Movement
by
Jonathan Hale

04-23

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2

BP Daily Podcast: Effectively Wild Episode 187: More About Velocity Loss/Baseball Players and Appendectomies
by
Ben Lindbergh and Sam Miller

04-09

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0

BP Daily Podcast: Effectively Wild Episode 177: How Much Does Velocity Loss Matter?/The Astros' Runaway Strikeout Rate
by
Ben Lindbergh and Sam Miller

04-01

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1

BP Unfiltered: The Velocity Gainers and Losers of Spring 2013
by
Harry Pavlidis

03-15

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6

The BP Wayback Machine: Do Spring Speeds Matter?
by
Mike Fast

03-15

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0

BP Daily Podcast: Effectively Wild Episode 160: The Outlooks for Tim Lincecum and Roy Halladay
by
Ben Lindbergh and Sam Miller

03-08

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22

Raising Aces: Under the Gun
by
Doug Thorburn

03-01

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25

Raising Aces: Over the Radar
by
Doug Thorburn

08-30

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1

BP Unfiltered: Is Stephen Strasburg Wearing Down?
by
Dan Brooks

08-03

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4

Raising Aces: Throwdown: Zack Greinke vs. Jeremy Hellickson
by
Doug Thorburn

07-14

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5

BP Unfiltered: Francisco Liriano's Unconvincing Impression of a Minnesota Twin
by
Ben Lindbergh

07-03

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2

BP Unfiltered: Just Sayin': Oliver Perez Might Be Back
by
Ben Lindbergh

06-15

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2

The Stats Go Marching In: Reaching Back for a Little Extra, Part Two
by
Max Marchi

06-12

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19

Baseball ProGUESTus: Scouting with PITCHf/x
by
Adam Foster

05-11

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1

The Stats Go Marching In: All About Velocity
by
Max Marchi

04-21

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3

Overthinking It: Washington's Gas Policy
by
Ben Lindbergh

05-03

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35

Prospects Will Break Your Heart: U Got the Look: Pitchers, Part I
by
Jason Parks

10-29

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9

Checking the Numbers: Quick Change Artistry
by
Eric Seidman

10-22

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9

Checking the Numbers: Crossing Over
by
Eric Seidman

10-05

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9

Checking the Numbers: Location and Perception
by
Eric Seidman

09-22

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35

Checking the Numbers: Perceived Velocity
by
Eric Seidman

04-23

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31

Checking the Numbers: Inside Pitch-f/x
by
Eric Seidman

04-02

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26

Checking the Numbers: Rest Up
by
Eric Seidman

03-03

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17

Is Consistency Key?
by
Eric Seidman

06-22

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0

Ballad of the Fatigued
by
Eric Seidman

06-09

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0

Ballad of the Fatigued
by
Eric Seidman

05-31

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0

Schrodinger's Bat: Physics on Display
by
Dan Fox

05-24

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0

Schrodinger's Bat: Batter Versus Pitcher, Gameday Style
by
Dan Fox

03-16

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0

Future Shock: Taking a Step Back, Part Three
by
Kevin Goldstein

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Ben and Sam talk about the performance impact of velocity loss, then discuss the Astros' astronomical early-season strikeout rate.



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Harry identifies the starters who gained or lost the most speed between the end of 2012 and the beginning of 2013.

Two years ago Mike Fast (now with the Houston Astros) took a look at pitchers who gained or lost velocity between the end of 2010 and spring 2011. We won't summarize his whole study here, but here’s the money quote:

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Can velocity changes in March and April reveal whether the radar gun will be a pitcher's friend or foe throughout the season?

While looking toward the future with our comprehensive slate of current content, we'd also like to recognize our rich past by drawing upon our extensive (and mostly free) online archive of work dating back to 1997. In an effort to highlight the best of what's gone before, we'll be bringing you a weekly blast from BP's past, introducing or re-introducing you to some of the most informative and entertaining authors who have passed through our virtual halls. If you have fond recollections of a BP piece that you'd like to nominate for re-exposure to a wider audience, send us your suggestion.

Are velocity readings trustworthy this early in the year, or should we wait until Opening Day to start putting any stock in the speed of a pitcher's stuff? Mike examined the issue in the piece reprinted below, which originally published as a "Spinning Yarn" column on March 30, 2011.
 


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Ben and Sam discuss their expectations for Tim Lincecum and Roy Halladay after their disappointing 2012 seasons and struggles this spring.



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Which pitchers have lost velocity over the past few seasons, and why?

In last week's episode of Raising Aces, we looked at those pitchers who have increased fastball velocity over the last three seasons. The article was inspired by the general tendency for pitchers to lose velocity as they age, and with this premise in mind, I decided to flip the switch and go digging for those pitchers who have lost some speed over the past three years.

For the purposes of this analysis, I chose to utilize the same threshold as with the pitchers who were over the radar: to qualify for the study, a starting pitcher had to have thrown at least 500 fastballs (or sinkers in select cases) in both the 2012 and 2011 seasons, and the average velocity of those pitches in 2012 had to be at least 0.50 mph lower than in each of the previous two seasons. The purpose of these boundaries is to capture a sustained loss in velocity across multiple seasons.

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March 1, 2013 5:00 am

Raising Aces: Over the Radar

25

Doug Thorburn

Which pitchers have managed to defy Father Time and add velo as they've aged?

It has been 28 days since my last entry into the chronicles of Raising Aces, and though I did manage some vacation time during the break, my baseball schedule has been otherwise locked and loaded throughout the month.

I had a blast with our mock arbitration series in early February, in which I went toe-to-toe with Ian Miller for a couple rounds of “name that comp.” I also dropped by the Effectively Wild studios to share my thoughts about the 2013 Athletics with Ben Lindbergh and Sam Miller, and behind the scenes I have been preparing more than 100 mechanical profiles for this year's Starting Pitcher Guide with Paul Sporer, which is currently in the final stages of production.

The rest of this article is restricted to Baseball Prospectus Subscribers.

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Was Stephen Strasburg's velocity loss during his last start atypical? And if so, should we be worried?

ESPN Stats and Information published an article about Stephen Strasburg’s less-than-successful start on Tuesday that noted, “Strasburg’s velocity declined as his start went on. His heater averaged 96.6 MPH in the first two innings and 94.8 MPH after. “

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August 3, 2012 7:20 am

Raising Aces: Throwdown: Zack Greinke vs. Jeremy Hellickson

4

Doug Thorburn

Earlier this week, Zack Greinke opposed Rays starter Jeremy Hellickson in his Angels debut. Doug reviews each player's approach to pitching.

The Angels showed off their new prize last Sunday, as deadline acquisition Zack Greinke made his Anaheim debut in a face-off with 2011 Rookie of the Year Jeremy Hellickson. Greinke returns to the American League after a year and a half spent taking swings in the senior circuit, arriving via a July 27th exchange for three Angels minor leaguers, including Futures Game LVP Ariel Pena. Hellickson made a comeback of his own on Sunday with a return from his first trip to the disabled list, a 15-day hiatus to rest from shoulder fatigue. Greinke and Hellickson are advanced students of the game, and Sunday's throwdown between the two pitch-sequence savants did not disappoint.

The Duel
Sunday was a clinic for pitcher target practice. The two starters yielded just a single free pass between them, with excellent mechanics contributing to masterful pitch execution on both sides, though each player employed his own unique gameplan. The young Helix posted the superior stat line, allowing just a pair of singles while showing off his penchant for inducing weak contact. Hellickson was also the beneficiary of an opposing lineup lacking Mike Trout, who gave way to out-machine Vernon Wells in a swap that cost about 900 points of OPS


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If it doesn't look like a Twin, soft-toss like a Twin, or pitch to contact like a Twin, it's probably not a Twin.

Francisco Liriano throws hard. He misses bats. He also misses the strike zone. In other words, he's never seemed much like a Minnesota Twin. Still, we went along with his act, as long as he wore the uniform and from time to time let Ron Gardenhire tell him to pitch to contact. But on Friday night, he completely blew his cover, striking out 15 batters in a loss to the A's. Fifteen batters! That's more than Nick Blackburn strikes out in most months​. 

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Everything old is new again, including Oliver Perez' stuff.

Here are Oliver Perez’ average fastball and slider velocities in the majors from 2002-2012, according to BIS data from FanGraphs:*

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Max continues his investigation into how starters and relievers and hard throwers and soft tossers alter their velocity depending on the situation and opponent.

In my previous installment, I explored pitch speeds in several situations and discovered that pitchers can add some gas to their offerings in certain spots. Both here at Baseball Prospectus and at The Book Blog, readers made insightful comments on the subject, suggesting possible biases and ways to expand on the analysis.

This time, I’ll go over some of those points.

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The advent and adoption of the PITCHf/x system has changed the way we scout pitchers, and more advances are still to come.

Believe it or not, most of our writers didn't enter the world sporting an @baseballprospectus.com address; with a few exceptions, they started out somewhere else. In an effort to up your reading pleasure while tipping our caps to some of the most illuminating work being done elsewhere on the internet, we'll be yielding the stage once a week to the best and brightest baseball writers, researchers and thinkers from outside of the BP umbrella. If you'd like to nominate a guest contributor (including yourself), please drop us a line.

Adam is the founder of Project Prospect, a scouting and statistical analysis website. He has been writing about baseball since 2006, when he began covering college baseball and conducting quantitative analysis of  minor-league prospects.
 


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