Circle changeup

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In baseball, a circle changeup (also called the okay changeup, related to the thumb and index finger touching) or circle change is a pitch thrown with a grip that includes a circle formation, hence the name circle changeup.^[1] The circle is formed by making a circle with the index finger, holding the thumb at the bottom of the ball parallel to the middle finger and holding the ball far out in the hand. The ball is thrown turning the palm out (pronating the forearm).