What Makes A Launch Angle Good?

Contextualizing batted-ball profiles by understanding the relationship between batter launch angle and exit velocity

“Launch Angle represents the vertical angle at which the ball leaves a player's bat after being struck. Average Launch Angle (aLA) is calculated by dividing the sum of all Launch Angles by all Batted Ball Events.” -MLB

Launch angle is undoubtedly an important aspect of hitter style and a metric that’s important for use in player evaluation. However, it’…