Gabe Levy @gabe_levy34 Twitter profile

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Gabe Levy

@gabe_levy34

5 months

With today being my last day at @DrivelineBB , I’m excited to say I’m joining the @Royals R&D team as an amateur scouting analyst. I learned an unbelievable amount from Driveline. It was an amazing experience to be a data analyst at a company that values data as much as them.

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Gabe Levy

@gabe_levy34

2 years

I’m happy to announce that I will be playing my last year of college baseball and pursuing a master’s at Indiana University. Thank you @IndianaBase for the opportunity and thank you @DavidsonBASE for an incredible 4 years.

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Gabe Levy

@gabe_levy34

6 months

Run values are becoming a staple of baseball analytics. For those unaware, run values are the change in the expected runs due to an event. And they are super simple to calculate! Here is a RE24 table, which represents the expected runs for an inning after a runner-out state

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Gabe Levy

@gabe_levy34

6 months

There's usually a tradeoff between velocity and movement for breaking balls. Pitchers look for both, but more velocity relates to less movement. Both lead to success. These plots show the differences in velocity and horizontal movement between the types of breaking balls.

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Gabe Levy

@gabe_levy34

5 months

So a huge thank you to everyone at Driveline. Now off to KC!

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Gabe Levy

@gabe_levy34

8 months

@noland811 @DeVosJJ People forget that you had similar velo at that age and now throw mid 9s. Projectable by way of big bro?

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Gabe Levy

@gabe_levy34

2 years

Absolute stud!!!

Davidson Baseball

@DavidsonBASE

2 years

𝗗𝗥𝗔𝗙𝗧𝗘𝗗❗️ Nolan DeVos has been selected by the @astros in the fifth round (163rd overall pick) of the 2022 @MLBDraft . #CatsAreWild

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Gabe Levy

@gabe_levy34

6 months

Friday night debugging sesh got me thinking about this: "Debugging is like being a detective in a crime movie where you're also the murderer....and the victim". GANs are being pretty adversarial right now. They're winning battles, but I'm gonna win this war

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Gabe Levy

@gabe_levy34

3 years

@DavidsonBASE Thanks for that

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Gabe Levy

@gabe_levy34

7 months

Zack Wheeler has been dealing this postseason, so here are his Stuff+ and Command+ on each of his pitches this season. 100 is MLB average, with a standard deviation of 50. Having 5 pitches that are above average in stuff and command will play for sure

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Gabe Levy

@gabe_levy34

3 years

Check out some of my sports analytics work on my GitHub page

GitHub - gabriel31levy34/sportsanalytics: Sports Analytics Projects

Sports Analytics Projects. Contribute to gabriel31levy34/sportsanalytics development by creating an account on GitHub.

github.com

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Gabe Levy

@gabe_levy34

6 years

@DejounteMurray Favorite player in the NBA because now I can proudly say I watched you dunk all over my high school #metroleague

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Gabe Levy

@gabe_levy34

4 years

Congrats brother! Thank you for helping lead us during my first two years. UNC is getting a phenomenal teammate. Good luck up the road, not that you need it

Brett Centracchio

@Brett50Cent

4 years

Thank you to all of my coaches, teammates, and everybody in the Davidson Baseball family who has made these last four years unforgettable. I am very excited to announce that I have committed to play my final year at UNC Chapel Hill as a graduate transfer. Go Heels!

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Gabe Levy

@gabe_levy34

7 months

@IndianaBase alum Kyle Schwarber is hitting 💣💣💣 in the playoffs. His xwOBA on balls in play is up from 0.462 in the regular season to 0.579 in the playoffs, with exit velo 86.2 -> 87.9 and launch angle 19.9 -> 11. Ks have gone 36.8% -> 34.4%

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Gabe Levy

@gabe_levy34

6 months

The left plot shows all breaking balls of these types in the 2023 regular season. We can clearly see how distinctive these pitch types are (yes, even the sweeper), despite some overlap. The left plot's boundaries were created with support vector machines, dividing pitches by type

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Gabe Levy

@gabe_levy34

6 months

@schomby8 Just gonna have to sleep quick

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Gabe Levy

@gabe_levy34

6 months

For those that want to take a look, I am attaching my Python notebook here:

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Gabe Levy

@gabe_levy34

7 years

@jdegraham @Citybaseballsea @BaseballNW @PNWBaseball @BallardHSSports @Doogle29er Congrats dude! D1 baseball! You deserved it man.

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Gabe Levy

@gabe_levy34

8 months

With all this talk about sweepers, here are the average movement profiles in inches of different breakers Slider: 5.8 HB, 2 IVB Slurve: 14.2 HB, -2.4 IVB Curve: 9.6 HB, -8.9 IVB Sweeper: 14.8 HB, 1 IVB Sweepers have more horizontal and less drop than slurves

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Gabe Levy

@gabe_levy34

6 months

I used publicly sourced data from pybaseball (), a very useful Python package for the everyday baseball analytics nerd. This included run values of the individual pitches, but I had found myself in need of RE24.

GitHub - jldbc/pybaseball: Pull current and historical baseball statistics using Python (Statcast,...

Pull current and historical baseball statistics using Python (Statcast, Baseball Reference, FanGraphs) - jldbc/pybaseball

github.com

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Gabe Levy

@gabe_levy34

5 months

@iubase17 Thank you! Owe a lot to @IndianaBase

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Gabe Levy

@gabe_levy34

3 years

@ZachKogut_ @DavidsonBASE No I like my guy @garrettbrowder but if I need someone to get jumped over by a base runner, I’ll give you a call

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Gabe Levy

@gabe_levy34

6 months

@jkees31 You're absolutely welcome! Make sure to check out how to do it in the thread!

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Gabe Levy

@gabe_levy34

5 months

@torenherrick @DrivelineBB @Royals Gonna be wild

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Gabe Levy

@gabe_levy34

5 years

@CoachCody_ Congrats Cody! Love seeing our city doing big things.

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Gabe Levy

@gabe_levy34

5 months

@Ty_Holub @DrivelineBB @Royals Thanks Ty! On your side of it now lol

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Gabe Levy

@gabe_levy34

7 months

For context, average MLB xwOBA on balls in play this year has been 0.372. xwOBA factors in characteristics of a hit and calculates the expected value in terms of run expectancy, and then scales up to match the scale of OBP

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Gabe Levy

@gabe_levy34

6 months

@Caseyrk27 I know what's good for you, trust me

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Gabe Levy

@gabe_levy34

6 months

The right plot is a snippet from a @DrivelineBB pitching report for the offseason. I instituted the lines from the first plot into the report, with some intuitive adjustments of course. The second plot shows Yu Darvish's averages for the last two seasons. He has all 4 pitch types

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Gabe Levy

@gabe_levy34

5 years

@KynlynJackson @DavidsonBASE Thanks brother! Thanks for instilling in me a drive to get better.

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Gabe Levy

@gabe_levy34

6 months

RE24 represents the 24 possible base-out states. There is also RE288, which includes the count. There are situations where you may be interested in either. Simply find the average runs scored in the inning after that situation occurs!

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Gabe Levy

@gabe_levy34

5 months

@drivelinekyle Holy levers. Also 99 in a rolled up hoodie is kinda hilarious

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Gabe Levy

@gabe_levy34

7 months

@Cl4ytona_500 He's back 😱

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Gabe Levy

@gabe_levy34

7 months

@jrussell3306 Stuff+ and command+ try to follow a normal distribution, where 68% of the data are within 1 standard deviation, and 95% are within 2

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Gabe Levy

@gabe_levy34

7 years

@CalderwoodJon Not completely sure but when I am I'll let you know. Need to figure out the lifting schedule first

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Gabe Levy

@gabe_levy34

7 months

@jrussell3306 Reposting this for clarification and not to confuse anyone. Individual pitches have an average of 100 and standard deviation of 50. That means roughly 68% of pitches will fall within 50-150, and 95% between 0-200. A pitcher’s stuff+ or command+ is the average over their pitches

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Gabe Levy

@gabe_levy34

6 years

@liam_broadhead Well shit I just replied on Liam’s tweet. My bad

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Gabe Levy

@gabe_levy34

3 years

Will be adding to this page as more projects are completed. Stay tuned!

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Gabe Levy

@gabe_levy34

5 months

@GoCubs49 @DrivelineBB @Royals Thanks!

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Gabe Levy

@gabe_levy34

6 months

@CoachMcQ_ This is MLB data from 2016-2023. HS data would be great, and I could look, but doubt there’s enough data out there unfortunately

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Gabe Levy

@gabe_levy34

7 months

More context: baseball savant has an 88mph hit with a 20 launch angle as having past results with .432 batting average, 29.4% 2B, and 0.3% HR. An 88mph hit with an 11 launch angle is .689, 60.1% 2B, and 1.1% HR

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Gabe Levy

@gabe_levy34

8 months

@jkelly_1214 @drivelinekyle @DrivelineBB Fangraphs has a page dedicated to this. Search Fangraphs dollars per war and you should find it. Involves projected war over a contract that a FA signs and the dollars of that contract. Hope that helps

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