# Air Density Report w/ @Syracuseeee – 8.1.17

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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.

Very rarely you will have days when there’s not many pitchers in good spots with ADI/VMI, today is one of them.  The numbers are the numbers and you have to take them for what they are so I only have one pitcher listed today and although he is listed its only because I did’nt want to have nobody listed.  His advantage is minimal in this matchup.

Sean Manaea-  The ADI in Oakland tonight will be 66.97 which is the best ADI on the slate today for pitching.  The Giants will come into today with a team VMI of -1.69 so they will struggle a little bit more than normal.  Manaea should do well tonight against the Giants.

Top Teams to use for hitting per ADI/VMI

• Mets/Rockies- Both teams are in play today with team VMI’s over 20, that’s right over 20.  The ball should be flying in Coors tonight.

• Atlanta Braves- Love the Braves today, they get a big boost in team VMI from yesterday and come into today at +4.39

• Pittsburgh Pirates- The Pirates aren’t usually a team people stack but they might go great with a Coors stack tonight.  The Pirates have a team VMI tonight of +4.30 so they should hit very well tonight/