Sudden Start is a key characteristic of a swing with high Launch Quality.

The opposite of a Sudden Start is Leaky Hands.

Sudden Start

Ronald Acuna is a force to be reckoned with, now. But people forget that his MLB debut was at best mediocre.

The reason Ronald Acuna struggled, when he first played at the MLB level, was because of a Launch Quality problem.

Because of the lack of a Sudden Start.

The concept of a Sudden Start is related to the topics of...

• Hitch in the Swing
• Short to the Ball
• Launch Quality
• Leaky Hands
• Sudden Start