Launch angle is the vertical angle at which the ball leaves the bat, measured in degrees by Statcast. Zero degrees is a ball hit straight out, negative angles are hit into the ground, and higher angles climb into the air. Balls hit between about 8 and 32 degrees, the so called sweet spot, produce the best results, especially when they are hit hard.
How Angle and Speed Work Together
| Launch angle | Soft contact | Hard contact |
|---|---|---|
| Below 10 degrees | Easy grounder | Grounder through the infield, sometimes |
| 10 to 25 degrees | Bloop single | Line drive, often a hit |
| 25 to 35 degrees | Routine fly out | Home run or extra bases |
| Above 50 degrees | Pop up | Pop up |
The Launch Angle Revolution
Once Statcast made the data public, many hitters rebuilt their swings to lift the ball, trading ground balls for fly balls and more home runs. Hitting coaches still teach that a line drive swing matters more than a single number, but the lesson stuck: hard hit balls in the air do the most damage. Pair this with exit velocity to see the full picture of contact quality.
Related
Exit velocity · Spin rate · What is a sweeper
Definitions from Baseball Savant.