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
Gabardini G.9 Victor Emmanuel III (1869-1947), King of Italy (1900-1946), visited Cameri airfield, where he observed a demonstration of the G.9"bis". Flown by Lodovico Zanibelli, the G.9"bis" achieved a maximum speed of 250 kilometers per hour (155 miles per hour) during the demonstration. However, the "Regia Aeronautica" was no more interested in the G.9"bis" version of the aircraft than it had been in the G.9 version, and no production order resulted. Gabardini G.9 The Gabardini G.9 was an Italian single-seat biplane fighter prototype produced by Gabardini in 1923. Gabardini designed the G.9 in parallel with its work on its first fighter design,