Stealing Baseball Signs with a Phone (Machine Learning)

I always sucked at baseball... until now... ok, I still probably suck. Go to and use code MARKROBER to get 75% off a 3 year plan and an extra month for free.

Go subscribe to Jabril's channel!!!

Simple app (it's actually just a webpage for now):
Complex app using ML:

CORRECTION: I said in ad portion of the video that my data could be stolen on unprotected WiFi. This is true but in the example I gave with HRcharts which uses HTTPS it’s already encrypted. Sorry. Didn’t know that’s how it worked. I will correct that in any future ads with Nord.

0:29 Dansez - Fasion
1:01 Dive - Lvly
2:19 Dansez - Fasion
4:16 Kalimba Jam - Blue Wednesday
5:23 Take Me Out to the Ballgame -Matt Cherne-
7:04 Arrow - Andrew Applepie
8:18 Cereal Killa - Blue Wednesday
11:16 Salamanca - Sarah, the Illstrumentalist
13:12 Q - Blue Wednesday
14:18 Too Happy to be cool - Notebreak

Summary: I wanted to see if I could make an app that could decode baseball signs. Turns out we could and it was a great opportunity for me to learn more about Machine Learning and neural networks and artificial intelligence from my friend Jabril.

They are soft-



I make videos like this once a month all year long while supplies last:


FACEBOOK: MarkRoberYou...

TWITTER: #!/MarkRober

INSTAGRAM: markrober


  1. any help

    any helpPrije 54 minuta

    Me watching this video ,who doesn't knows a bit of baseball

  2. Jacob Williamson

    Jacob WilliamsonPrije 9 sati

    3:18 that’s a balk

  3. Liam’s World

    Liam’s WorldPrije 11 sati

    Shhh don’t let the astros find out

  4. John Stress

    John StressPrije 16 sati

    Astros be like going when the pitcher is not throwing the ball yet

  5. masonmoss _

    masonmoss _Prije 16 sati

    Caugh caugh caugh astros

  6. Niko Rosario

    Niko RosarioPrije dan

    I know how to play baseball I play baseball

  7. Luke S.

    Luke S.Prije dan

    The astros have watched this video 100 times 😂

  8. failsafe

    failsafePrije dan

    This is so awesome

  9. Jacob Kobrin

    Jacob KobrinPrije dan

    Astros have entered the chat

  10. X1fy

    X1fyPrije dan


  11. Alpha Clash

    Alpha ClashPrije dan

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  12. ThatGuyJimmy

    ThatGuyJimmyPrije dan

    10:21 He gotta gun!

  13. Clutch kid

    Clutch kidPrije 2 dana

    Mark: “adults rule kids drool Me: “sadness”

  14. Filippo Giordano

    Filippo GiordanoPrije 2 dana

    How does it work it is a real person not a robot

  15. wdog23

    wdog23Prije 2 dana

    plz repliy to me and i play basball and i know that useing cameras to find out what sighns are thats ileagel in baseball not hateing though

  16. Cooking Parker

    Cooking ParkerPrije 2 dana

    The merciful beef practically tire because stamp empirically concentrate before a wistful litter. waggish, ritzy beast

  17. Omar Muqbil

    Omar MuqbilPrije 2 dana

    Mark is the new Albert Einstein 😂

  18. Napoleon Wasson

    Napoleon WassonPrije 3 dana

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  19. nh dw

    nh dwPrije 3 dana

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  20. Nick Warren

    Nick WarrenPrije 3 dana

    What’s the app called

  21. Spartan Edwards

    Spartan EdwardsPrije 3 dana

    3:18 BALK

  22. ProGamer Payton17

    ProGamer Payton17Prije 3 dana

    Ummmm what’s the app called

  23. Nathan Patching

    Nathan PatchingPrije 3 dana

    Astros be like: wait why don’t we use this method?!?!

  24. bekoi petei

    bekoi peteiPrije 3 dana

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  25. Cristopher Cardozo

    Cristopher CardozoPrije 3 dana

    The Astros :

  26. Jon Whick

    Jon WhickPrije 3 dana

    How many time has the Astros called you

  27. bg sw

    bg swPrije 4 dana

    The pink planet temporarily taste because creditor partially wish athwart a quick wrist. alleged, ugliest node

  28. Soccer King

    Soccer KingPrije 4 dana

    The astro watched this

  29. MickIsntSlick

    MickIsntSlickPrije 4 dana

    He knew about the Trashtros before everyone else did

  30. Jaydon Ruble

    Jaydon RublePrije 4 dana

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  31. Luca Ganser

    Luca GanserPrije 4 dana

    That’s not playing baseball correctly and all the little league baseball couches are going to use it

  32. Logan Earl

    Logan EarlPrije 4 dana

    Weird the app has 1 download from Jose Altuve

  33. Dylain Suzini

    Dylain SuziniPrije 4 dana

    The astros would like to know your location

  34. John Smith

    John SmithPrije 5 dana

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  35. Laila Elorm

    Laila ElormPrije 5 dana

    You should let the little kids win

  36. jacky mai

    jacky maiPrije 6 dana

    The festive balloon occasionally bow because geranium retrospectively destroy athwart a tricky diploma. tangy, plant santa

  37. Nazareadain

    NazareadainPrije 6 dana

    Can't be the real jabrils. He don't move his lips for no one.

  38. Miles costa

    Miles costaPrije 6 dana

    The bizarre bee consecutively play because server dfly start down a madly park. vast, funny pan

  39. Lucas

    LucasPrije 6 dana

    I’m surprised mark understands baseball given how nerdy he is

  40. Team Hydra

    Team HydraPrije 6 dana

    *astros want to know your location*

  41. Garrison Kids

    Garrison KidsPrije 6 dana

    The thing is I am a kid and when he said adults rule and kids drool I was so offended

  42. nh dw

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  43. Mindy Bryant

    Mindy BryantPrije 7 dana

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  44. Katie Tognolini

    Katie TognoliniPrije 7 dana

    Jose altuve be like how much for it

  45. Greatest of All time

    Greatest of All timePrije 7 dana

    I dont listen to the coachs sign lmao

  46. Naveen Rajan

    Naveen RajanPrije 8 dana

    8:44 This is actually a Neural Network

  47. Laila Eileen

    Laila EileenPrije 8 dana

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  48. rtd golden

    rtd goldenPrije 8 dana

    cough astros 2017 cough

  49. Lily Petersen

    Lily PetersenPrije 8 dana

    What’s the app called

  50. Hi

    HiPrije 8 dana


  51. Swoosbear

    SwoosbearPrije 8 dana

    Houston Astros are typing…

  52. Luke Potosky

    Luke PotoskyPrije 8 dana

    The Yankees love this.

  53. Ariane Melia

    Ariane MeliaPrije 9 dana

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  54. Sea of Thieves kid

    Sea of Thieves kidPrije 9 dana

    i want that girl at the end to eat sour dirt

  55. Iss Obama

    Iss ObamaPrije 9 dana

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  56. Anna Skin

    Anna SkinPrije 9 dana


  57. Anna Skin

    Anna SkinPrije 9 dana


  58. Jerry Chen

    Jerry ChenPrije 10 dana

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  59. sneakz heat

    sneakz heatPrije 10 dana

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  60. Land0n_7

    Land0n_7Prije 10 dana

    What is the app called


    TONY ZHANGPrije 10 dana

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  62. Jonny Bairstow

    Jonny BairstowPrije 10 dana

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  63. The-Lenny-Dood

    The-Lenny-DoodPrije 10 dana

    8:53 that swtich turning sounded like something xD

  64. Fjvdjin Fugdjf

    Fjvdjin FugdjfPrije 10 dana

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  65. natashahayes72

    natashahayes72Prije 10 dana

    My coach uses numbers

  66. Darkk99

    Darkk99Prije 11 dana


  67. Randomsiegeclips

    RandomsiegeclipsPrije 11 dana

    The Astros looking at this like

  68. Ced Ed

    Ced EdPrije 11 dana

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  69. sILaS DInGmAN

    sILaS DInGmANPrije 11 dana

    Sorry Mark the Astros already figured this one out

  70. HottyToddy24

    HottyToddy24Prije 11 dana

    He just gave the astros an idea

  71. Carter Gamer

    Carter GamerPrije 11 dana

    Tell me what seal in French is

  72. Drew Becker

    Drew BeckerPrije 11 dana

    Astros liked this vid

  73. n0tbluff3r

    n0tbluff3rPrije 11 dana

    First time I didn't hear anything Mark said

  74. Slazah-

    Slazah-Prije 12 dana

    I’m a kid

  75. 2026.Grae Zedlitz

    2026.Grae ZedlitzPrije 12 dana

    is it just me or does jabrills look like miles garret

  76. Colleen Tuba

    Colleen TubaPrije 12 dana

    Wit is it calld

  77. BM gaming

    BM gamingPrije 13 dana

    Mark turned on his Jose altuve mode

  78. Justin Angle

    Justin AnglePrije 13 dana

    Um i hope the astros dont see this

  79. Megan Tibbs

    Megan TibbsPrije 13 dana

    What’s the app called

  80. Linda mike

    Linda mikePrije 13 dana

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  81. Kenny Planter

    Kenny PlanterPrije 13 dana

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  82. Gloria Harris

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  83. Edith Cook

    Edith CookPrije 14 dana

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  84. Jaxon Guerra

    Jaxon GuerraPrije 14 dana

    It was not even in the rulebook when astros cheated

  85. Laverne Wilson

    Laverne WilsonPrije 14 dana

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  86. AdamSkii

    AdamSkiiPrije 14 dana

    The thimbnail: Is this some american thing that I'm too british to understand?😂

  87. reyan ju888

    reyan ju888Prije 14 dana

    Fact: We don't know what he is doing

  88. Linda mike

    Linda mikePrije 15 dana

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    KEJTIQE JULOHPIPrije 15 dana

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  90. Magnificent_501

    Magnificent_501Prije 15 dana

    Imagine if he was payed to have a radio to tell the home team the opposing team's signs.

  91. Porkbutt545

    Porkbutt545Prije 15 dana

    8:30 that was SMOOTH

  92. Crazy cat Playz

    Crazy cat PlayzPrije 15 dana

    The astros next big scandal

  93. ItzGat3r

    ItzGat3rPrije 15 dana

    This is illegal lol

  94. Kevin Krayer

    Kevin KrayerPrije 15 dana

    Mark that hurts I am a kid watching

  95. Gator Productions

    Gator ProductionsPrije 15 dana

    3:18 balk

  96. Madlyn Latrina

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  99. DTigrex

    DTigrexPrije 16 dana

    im 11 and learning all this cuz of u nice

  100. Elda Monica

    Elda MonicaPrije 16 dana

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