How To Throw A Sinker
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How To Throw A Sinker

If you're a baseball pitcher looking to add some movement to your repertoire, learning how to throw a sinker can be a valuable skill. The sinker, also known as the two-seam fastball, is a pitch that moves downward and to the arm side. It can be a highly effective pitch, inducing ground balls and helping you keep hitters off balance.

What is a sinker pitch?

A sinker is a type of fastball that has late downward movement. When thrown correctly, it appears as a normal fastball to the batter before suddenly dropping as it reaches the strike zone. The sinking action of the pitch makes it challenging for batters to make solid contact, often resulting in ground balls or swings and misses.

How to grip the sinker?

The grip is crucial when it comes to throwing a sinker. Follow these steps to achieve the proper grip:

  1. Hold the baseball with your index and middle fingers placed along the seams.
  2. Position your fingers closer to the inside seam, giving you better control and movement.
  3. Apply slight pressure with your fingertips to create backspin on the ball.
  4. Keep your thumb directly underneath the ball for support and stability.

Mastering the sinker pitch

Throwing a sinker effectively requires practice and proper technique. Here are some tips to help you master the pitch:

  • Focus on arm angle: For a sinker, it is important to have a slightly lower arm angle compared to a traditional fastball. This helps generate the necessary downward movement.
  • Control your release point: Consistency in release point is crucial for a successful sinker. Aim to release the ball slightly earlier than you would for a regular fastball to allow for the sinking action.
  • Use your lower body: Engaging your legs and core muscles can add power and downward force to the pitch. Practice incorporating your lower body into the throwing motion for better results.
  • Experiment with finger pressure: Adjusting the pressure applied by your fingertips can alter the movement of the pitch. Experiment with different finger pressures to find what works best for you.

Frequently Asked Questions (FAQs)

1. Can anyone learn to throw a sinker?

Yes, with dedication and practice, anyone can learn to throw a sinker. It may take some time to perfect the technique, but with persistence, you can add this valuable pitch to your arsenal.

2. How fast should I throw a sinker?

The speed of a sinker can vary depending on the pitcher. Generally, sinkers are thrown at a slightly lower velocity than regular fastballs, as the focus is on movement rather than pure speed.

3. Are there any risks associated with throwing a sinker?

While the sinker can be an effective pitch, it may put additional stress on your arm and shoulder. It is essential to maintain proper mechanics and listen to your body to avoid injury. Regular strength and conditioning exercises can also help minimize the risk.


Learning how to throw a sinker can be a game-changer for any pitcher. The ability to induce ground balls and keep hitters off balance can greatly increase your effectiveness on the mound. Remember to focus on the grip, arm angle, and release point, and don't forget to incorporate your lower body for added power. With practice and patience, you'll soon be confidently throwing sinkers that baffle batters and give you the edge on the field.

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