The Terrible T is an increasingly common and extremely problematic movement pattern and type of Timing problem in baseball pitchers.

Walker Buehler

The Terrible T is characterized by a pitching arm that is FLAT and not UP into and/or at front Heel Plant as well as a Glove Side that is also flat.

Walker Buehler

The Terrible T is often, but not always, accompanied by the Tommy John Twist.

Walker Buehler

The name is a riff on a movement pattern called the Power T.

Henderson Alvarez

By definition, the Terrible T is a form and cause of Flat Arm Syndrome.

Tyler Thornburg