# Air Density Report w/ @Syracuseeee – 8.10.17

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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.

Jacob deGrom-  With the Phillies coming into tonight with a slate worst team VMI of -10.74 what’s not to love about deGrom tonight.  We all know how bad the Phillies are I would expect deGrom to blow them away with the ADI at 65.56 in Philadelphia

Danny Salazar –This guy has been just flat out on fire of late and he gets a TB team that strikes out along with the great pitching conditions of Tropicana which always has a pitcher friendly ADI of 66.75

Wade Miley – Here’s a sleeper for you tonight.  The pitching conditions in this ballpark will be great for both pitchers but I take Miley over Smith with the way Baltimore has been hitting of late.  The ADI tonight for this game will be 67.95 which is the best on the slate for pitching

Top Teams to use for hitting per ADI/VMI

• Houston Astros- Very limited for options tonight but Houston has a team VMI of +0.99 so they should hit well

• KC/STL – Both teams have a positive team VMI so load up on both teams if possible