The point here is that, when spinning on the same axis and no gyro, there is no difference between a 2-seam and 4-seam pitch.
Seam-Shifted Wakes
aka laminar express
The fluid dynamics of baseball pitches
aka laminar express
The point here is that, when spinning on the same axis and no gyro, there is no difference between a 2-seam and 4-seam pitch.