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
Hour record with a distance of . The second was set on 25 February 2015, in Aguascalientes, Mexico, with a distance of . The third was set on 3 July 2015, also in Aguascalientes, Mexico, with a distance of . This last mark was also the Pan-American and World Masters Age 40–44 record at the time, and exceeded the distance of the UCI hour record of van Moorsel. However, it did not qualify as the UCI Hour Record because Van Houweling had only been enrolled in the athlete biological passport program for three and a half months prior to setting this record.