Saturday, August 12, 2017

Beat the Streak Picks

Here are the top picks my programs produced for use in Beat the Streak. This post mostly explains the ideas behind the calculations. In addition, this post shows tests on the Neural Network (NN). This post discusses an NN that includes the ballpark. I recently updated the models, and the results of those tests are here.

For 2017, I am just going to publish the Log5 hit averages and the NN probabilities with parks factored in. I am keeping track of the results here. I added a graph that gives a visual representation of the probability and success each day. The sheet also includes a table that summarizes the length of positive and negative streaks.

First, the Log5 Method picks:

0.359 — Gerardo Parra batting against Justin Nicolino
0.350 — Charlie Blackmon batting against Justin Nicolino
0.338 — DJ LeMahieu batting against Justin Nicolino
0.335 — Nolan Arenado batting against Justin Nicolino
0.326 — Odubel Herrera batting against Steven Matz
0.320 — Cesar Hernandez batting against Steven Matz
0.310 — Nick Williams batting against Steven Matz
0.304 — Eddie Rosario batting against Jordan Zimmermann
0.302 — Daniel Murphy batting against Chris Stratton
0.298 — Jon Jay batting against Patrick Corbin

Nicolino sees his opponent batting lines go up every year. He doesn’t walk that many batters, probably due to his pitches being so good to hit, no one waits for the walk. He doesn’t strike out many batters at all, which means more balls in play, which means more a higher chance of a random hit.

Here is how the NN with Park ranks the players:

0.359, 0.774 — Gerardo Parra batting against Justin Nicolino.
0.350, 0.770 — Charlie Blackmon batting against Justin Nicolino.
0.338, 0.760 — DJ LeMahieu batting against Justin Nicolino.
0.295, 0.760 — Jose Altuve batting against Tyson Ross.
0.302, 0.751 — Daniel Murphy batting against Chris Stratton.
0.335, 0.750 — Nolan Arenado batting against Justin Nicolino.
0.326, 0.732 — Odubel Herrera batting against Steven Matz.
0.291, 0.728 — Jean Segura batting against J.C. Ramirez.
0.320, 0.724 — Cesar Hernandez batting against Steven Matz.
0.291, 0.721 — Howie Kendrick batting against Chris Stratton.
0.304, 0.721 — Eddie Rosario batting against Jordan Zimmermann.

The NN like batters against Nicolino as well. Parra is the unanimous pick. It’s a good day to double down on the Rockies. Joey Votto, who currently has the longest hit streak in the majors at 16, and is red hot, has a probability of .685 of getting a hit today. Note that in the streak, Votto struck out just six times, and is hitting .469. Votto owns one of the highest BABIPs among active players. Lowering his strikeout rate should bring his BA way up, and right now, that is what’s happening.

As always, your best pick will fail to get a hit about 25% of the time.

Here is the daily list of active streaks of plate appearances without a hit, with pitchers eliminated:

Batter PA since Last Hit
Michael Freeman 34
Arismendy Alcantara 24
Aaron Hill 23
Jarrod Saltalamacchia 23
Raul Mondesi 23
Bradley Zimmer 22
Kyle Higashioka 20
Taylor Featherston 19
Jesus Aguilar 19
Jorge Soler 18
Mark Zagunis 18
Matthew Szczur 17
Austin Romine 16
Tony John Wolters 16
Eduardo Escobar 16
Rio Ruiz 15
Chris Davis 15
Greg Bird 15
Paul Janish 15
Chase D'Arnaud 15
Emilio Bonifacio 14
Ryan Schimpf 14
Allen Cordoba 14
Rougned Odor 14
Anthony Rendon 14
Cristhian Adames 14
Chris Coghlan 13
Jordy Mercer 13
Lewis Brinson 13
Stephen Drew 13
Darwin Barney 13
Jacob Lamb 13
Nick Ahmed 12
Nolan Fontana 12
Kelby Tomlinson 12
Martin Prado 12
Brett Gardner 12
Scott Van Slyke 11
Brock Stassi 11
Carlos Santana 11
Brian McCann 11
Salvador Perez 11
Kevin Plawecki 11
Benjamin Gamel 11
Whit Merrifield 11
Eric Hosmer 11
Brandon Guyer 11
A.J. Ellis 11
Danny Ortiz 11
Alex Presley 11
Jabari Blash 10
Hyun Soo Kim 10
Gregor Blanco 10
Erik Gonzalez 10
Adrian Gonzalez 10
Cameron Rupp 10
Tyler Collins 10
Yandy Diaz 10
Yonder Alonso 10
Tom Murphy 10
Robbie Grossman 10
Joey Rickard 10
Zach Granite 10
Jordan Luplow 10
Luis Sardinas 10
Carlos Correa 10
Jared W. Hoying 10
Jorge Bonifacio 10
J.D. Davis 10
Lucas Duda 10
JaCoby Jones 10

Good luck!



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