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
Nolan Ryan [and] he wasn't any good at fielding his position". In another column, Neyer, while stating that Ryan belonged in the Hall of Fame, pointed to Ryan's record-breaking walks total and noted that his .309 on-base percentage against "wasn't even close to being in the top 100". Ryan and Frank Robinson are the only two major league players to have their number retired by three teams on which they played. The California Angels (now the Los Angeles Angels) retired the number 30 on June 16, 1992; the Texas Rangers retired his number 34 on September 15, 1996; and the Houston Astros