This is not a medical video. It is the effective delivery of a Major League knuckleball. What makes it effective and what is difficult to do is the lack of rotation when launching this shot at 110 km / h. Hitting a ball floating like that, with such an unpredictable movement, is very difficult for the hitter. It is also a difficult shot to catch. Many catchers need to wear specially designed gloves just to catch pitchers who play mostly knuckleballs.
via Yahoo Sports:
Instead of spinning at a rate of 2,500 revolutions per minute like an elite fastball, knuckleballs appear to float in the air as if they are suspended in space.
[Baltimore] Orioles video content creator Johnny Douglas captured potential launcher Mickey Jannis playing the knuckleball during a spring training game against the Detroit Tigers on Saturday. Jannis, 33, is an ex-44th round choice trying to bring the knuckleball back. The last full-time pitcher to use it was Steven Wright, who has not participated in an MLB game since 2019.
Douglas’s work with the camera also deserves praise. It is difficult to track a slope moving more than 70 mph from the mount to the base plate, but achieving that level of focus with the lens at the same time is an impressive achievement.