Air Density Report w/ @Syracuseeee – 8.25.17

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In this article I will break down the top teams and players that are affected the most by VMI and ADI today.  Many of you might ask what is VMI and ADI is so below I have written a brief description of what they mean and how they affect baseball games.

Air Density Report w/ Cuse

Visual Memory Index aka VMI in baseball is used to track how players perform under different air density’s. The easiest way to explain this is that depending on the weather temperature, humidity, or air density the batters swing will be affected.  You might ask yourself how is that possible?  Have you ever tried to swing a bat in the winter compared to a humid summer day?  It’s not the same and VMI tracks each batters muscle memory to various weather conditions.  A batter’s muscle memory takes time to adjust to certain weather conditions.  When taking VMI into effect I avoid teams or players with a number less than -5 which simply can be explained as they haven’t been hitting pitches with the type of movement that they will face on that day.  As far as what’s good for teams or players, I try and target +5 or greater because they will be used to pitches with high movement and their Visual memory will be good.

Air Density Index aka ADI is very simple to explain.  It’s a scale that goes 0-100 and is affected by three things (Elevation, temperature, and Humidity).  The Air Density is important in baseball because it will let you know how much movement the baseball will have in that ballpark on that day.  The higher the ADI the more movement on the pitch.  Typical 60 is the number people use to decide if the pitcher’s movement will be good or bad.  The lower an ADI is from 60 the less movement the pitchers ball will have and the higher it is from 60 will show the increase in the pitcher’s ball movement to the batter’s eye.

 

Todays Top Pitchers per VMI/ADI

C.C. Sabathia- Seattle is a team that we like to use LHP’s against and with their team VMI of -8.38 I definitely have some interest in Sabathia tonight.  This week we have seen some cooler temperatures coming to most stadiums which favor pitching.  The ADI in NY tonight is 67.16 which are great for pitchers.

Rick Porcello –The total in this game has me a little concerned but with a team VMI of -6.63 and a ADI of 68.29 in Boston you have to consider Porcello on tonight’s large slate

Jason Vargas – This is a perfect spot for Vargas and I anticipate he will go over looked tonight with the other options out there.  The Indians have a team VMI of -3.25 tonight which says they should struggle as they have been.

 

Top Teams to use for hitting per ADI/VMI

  • SF vs Ari – This is the only game on the entire slate with teams having a positive VMI. The Giants are +8.33 (Best on the slate) and Arizona is +3.91.  The conditions should be prime in this game for offense so I’m fine with using either team.