Circle changeup the index finger on the seam of the ball and the thumb on the side of the ball to "choke" the ball. According to his autobiography, Nolan Ryan also developed his own circle changeup to add another off-speed pitch without having to throw a slider (as sliders are believed to more frequently cause injuries). Circle changeup In baseball, a circle changeup is a pitch thrown with a grip that includes a circle formation, hence the name circle changeup. The circle is formed by making a circle with the index finger, holding the thumb at the bottom of the ball parallel
100-ball cricket six-ball overs, and a 10-ball over, a 20-delivery shortfall on traditional twenty20 matches. Various groups have come up with different positives and negatives of this type of system. The loss of 20 balls per innings, vis-a-vis a T20 match, will help to ensure that the competition fits comfortably into a three-hour window. the proposed 10-ball final over may require buy-in from MCC's law-makers, seeing as Law 17.1 that currently states: "The ball shall be bowled from each end alternately in overs of 6 balls each." Some experts have stated that proposals for the new format outlined by the ECB are,