# Air Density Report (All Day) w/ @Syracuseeee – 8.17.17

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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

Fiers or Corbin- Both teams have a terrible team VMI of -5.00 or greater so by that alone both teams should struggle hitting the ball.  The hard choice is deciding which one of these guys to roll out with today.

Aaron Nola –My favorite play of tonight as the Giants have the worst team VMI on the slate tonight and Nola has pitched great this year despite his record.  I think this is more of a Cash play only because the Giants don’t strike out as much as I would like for Nola’s price.

Jhoulys Chacin – Chacin faces off against the Nationals tonight and let’s be honest the Nats offense hasn’t been the same since the Harper injury.  The nationals have a team VMI of -4.30 and I expect Chacin to have great upside at a low ownership tonight.

### Top Teams to use for hitting per ADI/VMI

• ATL vs COL- Coors, Coors, Coors

• Chicago White Sox – Its hot and humid in Texas tonight with a ADI of 57.74 so the ball should be flying out like last night. I do like Texas but I’m more on the side of the White Sox today with a team VMI of +6.53 which is the best on the slate.  Lets also add they they get to face Tyson ross that stinks.

• Chicago Cubs– great hitting conditions in Chicago today and I love the Cubs bats as they’re starting to heat up again